LIBRARY JWrVERSITY OF CALIFORNIA DAVIS I 1 f^d ^ tr^ I % STATE OF CALIFORNIA Z;-^ r-y DEPARTMENT OF WATER RESOURCES DIVISION OF RESOURCES PLANNING :fVERSITY Of CALIFORIftt LIBRARY DAVIS COPY 2 Bulletin No. 65-57 QUALITY OF SURFACE WATERS IN CALIFORNIA 1957 EDMUND G. BROWN (Ir^^^Si HARVEY O. BANKS Governor V\ \'5^.^^^7 Director of Water Resources December 1960 I STATE OF CALIFORNIA DEPARTMENT OF WATER RESOURCES DIVISION OF RESOURCES PLANNING Bulletin No. 65-57 QUALITY OF SURFACE WATERS IN CALIFORNIA 1957 EDMUND G. BROWN Governor HAR\TY O. BANKS Director of Water Resources December 1960 LIBRARY .UWIVERSITY OF CALIFORNIA r>AVTQ TABLE OF CONTENTS Page LETTER OF TRANSMITTAL v ACKNOWLEDGMENTS vli ORGANIZATION, STATE DEPARTMENT OF WATER RESOURCES ix ORGANIZATION, CALIFORNIA WATER CCMttSSION x IMTRODUCTION 1 SURFACE WATER QUALITY k Summary k North Coastal Region (No. l) k San Francisco Bay Region (No. 2) 8 Central Coastal Region (No. 3) 10 Los Angeles Region (No. k) 13 Central Valley Region (No. 5) 19 Sacramento River Valley (5a) 21 San Joaquin River Valley (5b) 31 Sacramento-San Joaquin Delta (5c) ■ 38 Tulare Lake Basin (5d) Uo Lahontsm Region (No. 6) ^1 Colorado River Basin Region (No. 7) ^^ Santa Ana Region (No. 8) h8 San Diego Region (No. 9) 53 TABLES Table number 1 Sacramento River Water Quality 23 2 San Joaquin River Water Quality 3^*^ 3 Tuolumne River Water Quality 36 iii PLATES Plate number Page 1 Stream Sampling Stations 58 APPENDIXES A Procedures and Criteria A-1 B Basic Data B-1 IV EDMUND G. BROWN ^RVEY O. BANKS Oovirnoh ADDRESS REPLY TO OrRICTOR p. O. BOX 388 SACRAMENTO 2 1120 N STREET HI CKORY 8-4711 STATE OF CALIFORNIA SACRAMENTO December 30, I960 Honorable Edmund G, Brown, Governor and Members of the Legislature of the State of California Water Pollution Control Boards Gentlemen: I have the honor to transmit herewith a report on the quality of surface waters in California. This is the third in a series of reports concerning this important matter, and covers the period January through December 1957- This stat3ifide Water Quality Monitoring Program, authorized by Section 229 of the V/ater Code, was initiated in April 1951, at the request of the State V/ater Pollution Control Board and has been conducted by the Department of Water Resources in cooperation with the State Department of Public Health, Bureau of Sanitary Engineering; the State Department of Fish and Game; the United States Geological Survey; and with various other agencies and individuals. Its objective is to secure and interpret data on prevailing quality of water in the major streams and lakes in Cali- fornia, to evaluate trends in water quality conditions, and to ascertain causes for changes in water quality. These data are utilized by the Department of Water Resources in conducting water resources development studies and imple- menting water development programs; by the regional water pollution boards in establishing waste discharge require- ments for the protection of surface waters in California; and by other water agencies throughout the State. With few exceptions, the surface waters in Northern California during 1957 were found to be of excel- lent quality. Surface waters in Southern California during Honorable Edmund G. Brovm Governor, et al -2- December 30, I96O the same period, on the other hatnd, varied In quality from excellent to poor, with the poorer quality waters found in the lakes in that area. The lakes having the poorer qual- ity water are those which receive relatively high volumes of drainage water and are at the same time subject to high evaporation rates. The results of the 1957 survey of radioactivity in surface waters Indicate few significant changes from that found in 1955-56, The radioactivity levels in the waters of the northern part of the State were found to be generally lower than in 1955-5^, while those in Southern California generally show a slight increase. However, all values were found to be substantially below the accepted safe limits. Very truly yours. e.(^^ HARVEY 0. BANKS Director I ACKNOWLEDGMENTS The extensive coverage of the statewide surface water quality monitoring program is made possible through the cooperation of federal, state, and local eigencies. The helpful cooperation of the following aigencies in respect to this program is gratefully acknowledged: Federsil Agencies Department of the Army Corps of Engineers Department of the Interior Bureau of Reclamation Geological Survey State Agencies California Disaster Office, Radiological Service Department of Fish and Game Department of Public Health Bureau of Sanitary Engineering Division of Laboratories State Water Pollution Control Board Other Public Agencies City of Long Beach, Department of Public Health City of Los Angeles Department of Water and Power Department of Public Health City of San Bernardino City and County of San Francisco Los Angeles County Flood Control District vii Other Public Agencies (cont.) Ventura County, Water Resources Division The Metropolitan Water District of Southern California Kern County Land Company Kings River Water Association The Department of Water Resoiirces wishes to thank the following federal and state agencies who granted permission for inclusion in this report of unpublished water quality data collected under their various programs : United States Department of the Interior Geological Survey Bureau of Reclamation United States Department of Health, Education, and Welfare Public Health Service Central Valley Regional Water Pollution Control Board (No. 5) The United States Geological Survey performed a substantial portion of the laboratory mineral analyses required by this program under a cooperative agreement with the Department of Water Resources. The bacteriological determinations were made by the California State Department of Public Health and the radiological determinations by the California Disaster Office, both under service contracts with the State Water Pollution Control Board. viii ORGANIZATION STATE DEPARTMENT OF WATER RESOURCES DIVISION OF RESOURCES PLANNING HARVEY 0. BANXS Director of Water Resources RALPH M. BRODY Deputy Director of Water Resources JAMES F. WRIGHT Deputy Director of Water Resources WILLIAM L. BERRY Chief Engineer, Division of Resources Planning IRVIN M. INGERSCW Chief, Engineering Services Branch The activity under which this report was prepeired is directed by Meyer Krsimsky Principal Hydraulic Engineer The activities in Northern California were under the supervision of Willard R. Slater Supervising Hydraulic Engineer The activities in Southern California were iinder the direction of John R. Teerink District Engineer and the supervision of David B. Willets Supervising Hydraulic Engineer This report was prepared by Arthur J. Inerfield Senior Civil Engineer Robert F. Clawson Senior Hydraulic Engineer Felix W. Cartier Civil Engineering Associate James M. Windsor Assistant Civil Engineer Assisted by Robert B. Gujnderson Assistant Hydraulic Engineer Allen Joy Junior Civil Engineer Lloyd P. Olsem, Jr Engineering Aid I Shigeru Katsumata Engineering Aid I Paul L. Barnes Chief, Division of Administration Porter A, Towner Chief Counsel Isabel C. Nessler Coordinator of Rejwrts IX ORGANIZATION CALIFORNIA WATER COMMISSION James K. Carr, Chairman, Sacramento William H. Jennings, Vice Chairman, La Mesa John W. Bryant, Riverside John P. Bunker, Gustine Ira J. Chrisman, Visalia George C. Fleharty, Redding John J. King, Petaluma Kenneth Q. Volk, Los Angeles Marion R. Walker, Ventura George B. Gleason Chief Engineer William M. Carah Executive Secretsiry nrrRODucTiON This biilletin, one of a series concerning surface water quality conditions in California, presents data collected routinely by all federal, state, and local agencies conducting surface water monitoring programs in Csilifomia. In addition to presenting the basic data, this bulletin slIso presents an evaluation of significant quality variations detected at all sampling stations and, where possible, an explanation of the causes of these variations. In order to make monitoring data available as soon as possible, the Department of Water Resources publishes and distributes to water pollution control, public health and other interested agencies and individuals, a monthly report containing the quality information collected by the department's surface water quality monitoring program and a preliminary evaluation of quality variations detected during the month. Agricultural, industrial, and urban water uses in California contribute significant amovints of wastes to surface and ground water supplies. In some instances, the wastes are harmful, or potentially so, to the State's water resources. The early detection and control of quality degradation is imperative if the fullest practicable beneficial uses are to be made of the available water supplies . In April 1951> a continuing stream sampling progrsim was initiated at the request of the State Water Pollution Control Board, for surveillance of the quality of the State's surface water supplies. Since that time, this program has been conducted by the Department of Water Resources in coopera- tion with the State and Regional Water Pollution Control Boards and other agencies and individuals. A similar program was instituted in 1953 to monitor the quality of the State's ground waters. -1- The surface water quality program reported herein is authorized by Section 229 of the Water Code. "Hiis section directs that: "The Department (of Water Resources), . . . shall investigate conditions of the quality of all waters within the State includ- ing saline waters, coastal and inland, as related to all sources of ixJllution of whatever nature and shall report thereon to the Legislature smd to the appropriate regional water pollution control board annually, and may recommend any steps which might be taJcen to improve or protect the quality of such waters . " This is the third of a series of bulletins presenting water quality data collected on a statewide basis and covers the csd.endar year 1957. Data for previous periods are included in the following reports: California Dejjartment of Public Works, Division of Water Resources, Water Qusility Investigations, Report No. 15, "Quality of Surface Waters in California, I95I-I95U"; and California Department of Water Resources, Division of Resources Planning, Bulletin No. 65, "Quality of Surface Waters in California, 1955-1956". While the data presented herein were, for the most part, collected under the department's surface water quality monitoring program, every effort has been made to include comparable data collected under various programs conducted by other agencies (see Acknowledgments). The basic objectives of the svirface water quality monitoring program are: (a) to secure continuous and reliable water quality data, on a monthly basis, from a network of stations which will provide representative data of the quality of water in the major surface streams and lakes of the State; (b) to evaluate and interpret chemical, physical, biological Eind reuiiological information collected during the course of this program to develop a comprehensive understanding of the factors which make up and alter the water quality at 6uiy station; and, -2- (c) to detect changes in water quality and to notify the appropriate control agency, (regional water pollution control boards, state and local health departments, State Department of Fish and Oame) when warranted. The statewide water quality monitoring program in 1957 involved the collection smd analyses of samples from I83 stations on 100 streams said lakes throughout California by various federal, state and local agencies (Plate 1). The program of the Department of Water Resources comprised the monthly collection and anadysis of samples from 157 of these stations on 90 California streams and laikes . The discussion of water quality is presented in this report by water pollution control regions, starting with Region 1 and progressing through Region 9- Within each region, the discussion is presented by drainage basin, the main stream of each basin being discussed first, followed by a discussion in downstream order of its tributaries. Each discussion will include only those constituents which were found to vary significantly. Appendix A of the report contains a discussion of field and laboratory procedures and methods, aind the criteria utilized in evaluating the quality of water. Appendix B contains monitoring station descriptions euad locations, and the physicsLI, chemical, bacteriologiceO. and radiological data for samples collected during 1957 at the 183 stations aforementioned. Also presented in Appendix B are graphs showing the monthly variation, for the i)ast five years (1953-1957) , of total dissolved solids for those stations in the Department of Water Resources' stream sampling program with a record of five years (1953-1957) or longer. SURFACE WATER QUALITY STunmary With few exceptions, the surface waters in Northern California during 1957 were found to be of excellent quality. Surface waters in Southern Ceilifornia during the same period, on the other hand, varied in quality fron excellent to poor, with the poorer quality waters found in lakes which receive drainage waters and are subject to high rates of evaporation. As indicated by Plates B-1 through B-67, the monthly variation in total dissolved solids is, in most cases, related to the seasonsQ. flow and use vsuriations of the watershed. Concentrations of most constituents tend to increase during the sujnmer months when use is at a maximum and flow is at a minimum, reaching the extreme just prior to the start of the fall rains. In some cases, such as the Russian River near Hopland (Plate B-5), Mission Creek at Whittier Narrows (Plate B-I6), and San Joaquin River at Friant (Plate B-47), the variations in flow and use have little or no apparent effect on the concentration of dissolved constituents. The results of the 1957 survey of radioactivity in surface waters indicate few significant changes from that found in 1955-56. The reidioactivity levels in the waters of the northern part of the State were found to be generally lower than in 1955-56 while those in Southern California generally showed a slight increase. However, the radioactivity levels were sub- stantially lower than the recommended allowable limits . North Coastal Region (No. l) A total of fifteen stream sampling stations are located on streams in the North CoastaLl Region (Plate l) , as indicated in the following tabtilation: I I anith River (l) Eel River, South Fork (l) Klamath River (3) Russian River (U) Trinity River (2) Russian River, East Fork (2) Eel River (2) Surface waters of this region were generally bicarbonate type with calcium and magnesium constituting the major cations. Mineral analyses of samples collected monthly during 1957 indicated only seasonal variation in concentration of constituents, and in most cases, only minor variations from values foiind in previous yeeirs. These waters ranged from soft to moderately hard with total dissolved solids (TDS) reaching 19*+ parts per million (ppm) . All 15 of the stations in this region have a period of record of five years or longer. Graphs showing monthly variation in TDS for the past five years (1953-1957) for stations in this region are presented in Appendix B on Plates B-1 through B-8. High boron concentra- tions have been prevalent in the Russian River. The 1957 boron values, although high, were significantly lower than values found in previous years. Radioactivity levels were slightly below those for previous years with the exception of the Eel and Russian Rivers which were slightly higher. The Smith River waters near Crescent City (Station 3a) continued to be of excellent qusLLity, magnesium bicarbonate in character, class 1 for irrigation use, and met drinking water stsmdards for mineral content. During 1957, the total dissolved solids content ranged between hk and 90 ppm (Plate B-7) • No significant changes in concentration of constituents in this water have been detected since sampling began in April 1951- The Klamath River was sampled at three points: near Copco (station l) , at Somesbar (Station 2) and near Klamath (Station 3)- The Klamath River remained class 1 for irrigation use, and met drinking water standsirds for mineral content during 1957- It was a bicarbonate type water with no major cation. There was no marked change in concentration -5- of constituents between the headwaters and the mouth. The maximum total dissolved solids concentration, observed In 1957 (Plates B-2 and B-3), 162 ppm, occurred at Copco, the uppermost sampling station on the river. Only slight variations in hardness and boron have been noted since the beginning of the program in 1951' The 1957 hardness maximum, 80 ppm, was observed at the station near Klamath, and the highest boron concentration, 0.19 ppm, was measured at Somesbar. Samples were collected from the Trinity River at Lewiston (station Ua) and near Hoopa (Station h) . Only insignificant deviations in concentration of mineral constituents have been detected since sampling was initiated at these stations in April 1951> and no noticeable variation in the quality of the river between the two stations was detected in 1957. The water, with a total dissolved solids concentration of less than 150 pim during 1957 (Plates B-7 and B-8) , was of excellent quality and met drinking water stsindards for mineral content and class 1 standards for irrigation use. The Eel River showed similar mineral concentrations near McCann (station 5) and at Scotia (Station 6) during 1957- The water was calcium bicarbonate in character, slightly to moderately hard, class 1 for irrigation and met drinking water standards for mineral, content. Total dissolved solids concentrations ranged between 66 and I80 ppm (Plate B-l) . No large changes in total dissolved solids have been found since sampling began in April 1951' The radioactivity of the Eel River reached U5.I ± 12.0 micro-micro-curies per liter of dissolved beta near McCann (Station 5) in May 1957, a marked increase over the activity for the previous years. However, the significance of this increase, which was not in evidence in the May sample from the downstream station (Station 6) or in the September samples from both stations, cannot be evaluated until a longer period of record is available . IXiring 1957, the South Fork of the Eel River , -irtiich enters the main stem between Stations 5 and 6, was sampled near Miranda (Station 7) • ■nie South Fork, with a maximum total dissolved solids concentration of 150 ppn in 1957 (Plate B-2) , showed no appreciable difference in quality or character from the water in the main stem. The water continued to be suitable for nearly all uses with only minor variations in quality being detected since sampling was initiated in April 1951 • Four monitoring stations axe located on the Russian River ; near Ukiah (station 10b), near Hopland (Station 8a), near Healdsburg (Station 9)> and at Guerneville (station lO) . Russieui River water was of good to excellent quality, ajnd suitable for most uses. During 1957, the maximoim observed values for total dissolved solids varied between I50 ppm at Ukiah and 19O ppm at Guerneville (Plates B-k and B-5) . However, boron concentrations, which reached 0.9^+ ppjn during 1957, periodically placed this water in the class 2 category for irrigation uses. The overflow from a well located between Hopland and Healdsburg previously had contributed considerable quantities of boron to the Russian River. This overflow was removed from the river in September 1956. With the termination of this discharge, the maximum boron concentra- tion in the river fell from k.3 ppn in I955-I956 to the 0.9^^ ppm reported in 1957. The continuing presence of boron in the river indicates that other sources besides discharge from the well contribute boron to the river. These other sources are believed to be a characteristic of the geology of the watershed. The dissolved oxygen concentration decreased to l.U ppm in December 1957, at Station 10 while remaining normal at the other stations. The cause of this oxygen depletion could not be ascertained. Radioactivity in this water, while slightly higher in September 1957 than in May, was still well within the recommended safe limits. -7- The East Fork of the Russian River , which also contains imported Eel River water, was sampled at Potter Valley Powerhouse (Station 10a) and near Calpella (Station 8) . Analyses of samples collected at these stations have shown only minor variations in quality since sampling began in 1951 > and indicate little or no difference between the water of the East Fork and that of the main stem. While the hardness reached 105 ppm in January, it was less than 85 ppm the other eleven months of 1957 • Boron concentrations in the East Fork water reached 0.73 ppn in 1957, placing this water in class 2 for irrigation use. The high boron concentration in the East Fork Indicates that the boron problem in the Russian River probably originates at or near the headwaters of the river and its tributaries. As boron concentrations are also high in the Clear Lake area, located just across the drainage divide from the headwaters of the Russian River, it is probable that boron is an integral part of the geologic characteristics of this area. San Frgmcisco Bay Region (No. 2) A total of five surface water monitoring stations are located on streams in the San Francisco Bay Region (Plate l), as indicated in the following tabulation: Napa River (l) Coyote Creek (l) Carquinez Straits (l) Los Gatos Creek (l) Alameda Creek (l) The waters of this region were bicarbonate in character with major base constituents consisting of calcium, magnesium, or sodium, depending upon the minersil composition of the rock formations of the individual drainage basin. No large changes in water quality have been detected in this region since sampling was started in December 1951- The waters were, with the exception of those in the tidewater reaches, good to excellent in quality and suitable for most beneficial uses during 1957- -8- "i Graphical presentations of the monthly variation in total dissolved solids for the four stations that have a period of record of five years (1953 through 195T) appear on Plates B-9 and B-10 in Appendix B. Although some of the largest waste discharges in Northern California are located in Region 2, most of them discharge directly to the San Francisco Bay below these sampling stations and their effects were not reflected in analyses at these points. The radioactivity in the waters of this region, while far below the recommended safe maximum, were slightly higher during 1957 than during previous years . Samples of water were collected from the Napa River near St. Helena (Station 72) . While these waters were suitable for most beneficial uses, the boron concentration, which ranged from 0.l4 to 0.9**^ ppsn during 1957, was often above the limit recommended for class 1 irrigation water. The concentrations of constituents found in 1957 do not represent a significant chemge from values found since December 1951* Samples of water were collected from Carquinez Straits at Martinez (Station 28a) during 1957. The fluctuation in mineral quality of the water at this station is due mainly to the interi-elationship between sea water and the qusmtity of fresh water outflow from the Sacramento- San Joaquin Delta. During 1957, conductivity ranged between 28l and 22,35^ micrcMBhos and total dissolved solids ranged between 196 and 15,62U ppm. The high concentrations occurred during a period of relatively low stream flows while the low veilues occurred during a period of high stream flow. Boron concentrations in Alameda Creek near Niles (Station 73) ranged between 0.68 and l.k ppm, placing it in class 2 for irrigation. During 1957, this water was consistently in the very hard classification -9- with a range in total hardness from 276 to kjk ppm. Total dissolved solids reached 900 ppm in December (Plate B-9), the highest concentration recorded since sampling began in December 1951- Most constituents were found in slightly higher concentrations during 1957 than in previous years . Only minor changes in the concentration of constituents have occurred since 1952, when sampling of Coyote Creek near Madrone (Station 82) was initiated. During 1957 the water was moderately hard (iVD-ITS ppm 11 hardness) and the totsil dissolved solids remained relatively constant between 185 and 235 ppm during 1957 (Plate B-9) . Los Gatos Creek was sampled near the headwaters at Los Gatos (station 7^) • With the exception of 1956, there has been a gradual increase in the concentration of most constituents in this water since sampling began in December 1951- The generally lower mineral concentrations found in 1956 may be attributed to the high flows which occurred during December 1955, and January 1956. The 1957 range in hardness was 89-388 ppm and the range in total dissolved solids was lk)-U70 ppm (Plate B-IO) . Central Coastal Region (No. 3) During 1957, water samples were collected from eight monitoring stations located on the following Central Coastal Region streams (Plate l), as indicated by the following tabulation: San Lorenzo River (l) Salinas River (l) Soquel Creek (l) Carmel River (l) Uvas Creek (l) Santa Ynez River (2) Pajaro River (l) The waters of this region were bicarbonate type, with calcium and sodium as the major cations. High hardness smd total dissolved solids were characteristic of the region. Graphical representations of the monthly variation in total dissolved solids for the period 1953 through 1957 for -10- stations located In this region, all of which have a period of record of five years or longer, are presented on Plates B-11 through B-l^l in Appendix B. Little variation has been noted in the quality of the waters since the beginning of the program. Radioactivity showed no significant change from previous years . The waters of San Lorenzo River at Big Trees (Station 75) were calcium bicarbonate in character, of excellent quality and suitable for nearly all beneficial uses during 1957- The water was moderately hard with concentrations of constituents well below the maximum values allowable for all but the most exciting industrial uses. Hardness reached ll*0 ppm and total dissolved solids 225 ppm (Plate B-12) in 1957, represent- ing no significant change from values found since observations began at the station in December 1951« The water of Soquel Creek at Sequel (Station 76) was usually of good quality and suitable for nearly all uses. It was calcium bicarbonate in character, moderately to very hard, with the maximum in 1957 reaching 310 ppm total hardness amd total dissolved solids ranging between 230 and 525 ppm (Plate B-1^) . No significant vsu-iations in concentration of constituents have been noted since sampling begaji at this station in December 1951- Uvas Creek was sampled near Morgan Hill (Station 96) . The entire flow from this stream, except during flood stages, is diverted at Uvas Dam for the municipal supply of the City of Gilroy. Analyses of this water show little change in quality since sampling began in July 1952. It was calcium bicarbonate in character, class 1 for irrigation, and met drinking water standards for mineral content. Hardness was consistently high, with a maximum concentration of I98 ppm in 1957- -11- ' Pajaro River near Chittenden (Station 77) has limited use because of excessive concentrations of mineral constituents. During 1957j hardness reached 600 ppn, boron 1.6 ppm, chlorides 37^ ppn, sulfates 263 Ppn? and conductance 2,020 micronhos. These values do not represent a significant variation from other values observed since sampling began in December 1951' Concentrations of the above magnitude are sufficient to place this water in class 2 or 3 for irrigation uses and to make softening desirable prior to domestic use. During 1957, water samples were collected from the Salinas River at Paso Robles (Station 43a) . The water was calcium-magnesium bicarbonate and class 1 for irrigation during 1957, but total dissolved solids were above the desirable limit for drinking water, reaching approximately 600 ppm in J\ine (Plate B-12) . No appreciable changes in concentration of constituents have been noted in this water since sampling began in April 1951. The quality of Carmel River near Carmel (Station 83) has shown no significant changes since sampling began in January 1952. The water was bicarbonate type with calcium and sodium as major cations and was class 1 for irrigation use. Hardness, which varied from 112 to 231 ppm, placed it in the moderately to very hard classification. Santa Ynez River was sampled below Los Laureles Cemyon (Station U5), and at Solvang (Station 45a). The quality of this water has not changed appreciably since sampling began in April 1951. Concentrations of total dissolved solids placed this water in the class 2 irrigation category (Plate B-I3) . Concentrations of 626 ppm hardness and 3^1 ppm sulfates, in addition to a high total dissol/ed solids value of 1,000 ppm at Station k^, made this water questionable for domestic uses and -12- undesirable for all but the least demanding industrial uses . The quality of water at the downstream Station h^& was only slightly better. At this point, the total dissolved solids, hardness, and sulfates reached maximum concentrations of 900 ppm, 592 ppm, and 262 ppna, respectively. Although water quality can generally be expected to vary with flow, emalyses for the year 1957 showed little variation in concentration regardless of flow. This indicates that the quality of water from tributary streams was similar to that found in the Santa Ynez River. Los Angeles Region (No. U) Water quality samples were collected from 17 stations in the Los Angeles Region during 1957 (Plate l), as indicated in the following tabulation: Ventura River (l) Los Angeles River (2) Matilija Creek (l) San Gabriel River (3) Santa Clara River (3) Rio Hondo (l) Piru Creek (l) Mission Creek (l) Sespe Creek (l) Metropolitan Water Santa Paula Creek (l) District Aqueduct (l) Mono-Owens Aqueduct (l) Surface waters in this region vary widely in quality and character, depending on location, amount of flow, and type of waste discharges entering the streams. The rainfall was much less than normal during the 1956-1957 season throughout most of Southern California. On many streams reduced runoff resulted in low flows and poor water quality. Monthly variations in total dissolved solids at the nine stations that have a period of record of five years (1953-1957) are presented grajAiically on Plates B-15 through B-19 of Appendix B. -13- Ventura River was sampled near Ventura (Station 6l) and Mat 111 Ja Creek , a tributary to Ventura River, was sampled two miles above Matillja Dam (station 45b). Station 61 on Ventxira River is located just downstream from the confluence of Coyote Creek and Ventura River near Ventura. In 1957 > con- struction started on Casltas Dam on Coyote Creek. In October 1957 the river was dry at Station 6I for the first time during the six-year period of sampling. The quality of the water at this station has shown very little change since Its initiation into the program in April 1951 • During 1957, it was very hard and ranged from class 1 to 2 irrigation water. Boron content ranged from 0.00 to 0.82 ppm during 1957, while electrical conductivity ranged from 597 to l,6l3 micromhos. The mineral content of Ventura River water usually met drinking water standards, except, in some instances during low flow, when sulfate and total dissolved solids (Plate B-I9) content exceeded the recommended limit. These waters were usually calcium sulfate- bicarbonate to calcium bicsLrbonate-sulfate in character. Matillja Creek , two miles above Matillja Dam (Station h^h) , has shown no appreciable change in quality since 1953- The water was usually calcium sulfate-bicajrbonate in character with conductivity ranging between 9^3 and 1,U28 micromhos, and hardness between 38^* and ^+73 Ppm. It was class 3 water for irrigation use and often contained sulfate concentrations which exceeded the desirable minersuL content for drinking water. Boron continued to be a significant problem with concentrations ranging from O.56 to k.& ppn in 1957. The boron content of water taken from Matillja Creek has been reported as high as 6.h ppn prior to 1957. The Sajita Clara River system was sampled at the following six stations during 1957: Santa Clara River at the Los Angeles-Ventura County line (station k6) , Santa Clara River at Blue Cut (Station k6b) , Santa Clara -Ik- River near Santa Paxila (Station h6&) , Piru Creek at Piru (Station ^c), Sespe Creek near Fillmore (Station U6d), and Santa Paula Creek near Samta Paula (station U6e). Stations h6c, d, and e were added to the sampling progran in June 1957, to monitor the important tributaries to the Santa Clara River. Data collected at Station h6, one mile upstream from Station hSb, indicated that this reach of the Santa Clara River can be sidequately monitored at one station. Accordingly, Station ^b was dropped from the program at the end of 1957. Santa Clara River water continued to be poor in quality, high in sulfate content, and extremely hard. Very little change in water quality has been noted since sampling began in 1951. Conductivity ranged from 1,1*93 to 2,058 micromhos near Santa Paula (Station lt6a) and 1,862 to 3,509 micromhos at the Los Angeles -Ventura County line during 1957- This improvement in quality is attributed to the effect of better quality inflow from Piru and Sespe Creeks. The highest boron concentration of the three stations on Santa Clara River in 1957 was I.56 ppm at the Los Angeles-Ventura County line (Station ^46). A sampling station on Piru Creek at Piru (Station k6c) was established in Jiine 1957. Piru Creek is a major tributary to Santa Clara River and joins the river below this station. The surface waters at this station have sulfate as their predominant smion, but have no predominant cation. In 1957, the total dissolved solids content varied from 1,11+0 to 1,790 ppm. For irrigation use, water was class 2 at high flows and class 3 at low flows. Boron was high, ranging from 1.6 to 2.0 ppm. Hardness ranged from 518 to 92U ppm. The water did not meet drinking water standards for minersd. content. Santa Felicia Dam, about five miles upstream from Piru, was completed in I956 and storage of Piru Creek water was begun. -15- Sampling of Sespe Creek near Fillmore (Station k6d) was initiated in Jwae 1957 to monitor this important tributary to the Santa Clara River. During 1957, Sespe Creek water varied from calcium-sodium sulfate -bicarbonate in character at low flows to cauLcium sulfate -bicarbonate at high flows . Boron ranged from I.50 to 3 '12 ppm and electrical conductivity ranged from 1,067 to 1,718 micromohos. This water was class 1, 2, or 3 for irrigation use, depending on the magnitude of the flow, with boron and electrical conductivity as the main limiting factors . A monitoring station was established in June 1957 on Santa Paula Creek near Santa Pavila (Station k6e) , to determine the water quality of this important tributary of the Santa Clara River. The station is about four miles upstream from the confluence with Santa Clara River. During 1957, Santa Paula Creek water was calcium bicarbonate-sulfate in character at high flow but shifted to sodium-calcium sulfate-bicarbonate at low flow. Total hardness of these waters ranged from 319 to U8I ppm and conductivity between 8^*2 and l,4l8 microrahos. The water met mineral standards for drinking water except at extreme low flows when the sulfate content, which was 265 ppm in September, exceeded the recommended limit. A water sample was collected each month from Mono- Owens Aqueduct at its terminus at Upper San Feraando Reservoir near San Fernando (Station 70) and sunalyzed by the Los Angeles Department of Water and Power. The water was excellent in quality, ranging from I63 to 227 ppn totaJL dissolved solids in 1957 (Plate B-I6) . It was calcium-sodium bicstrbonate in character and soft. The quality has not changed appreciably since the initiation of the sampling program in April 1951. The Los Angeles River Channel, which was sampled in Los Angeles at Figueroa Street (Station hi), and in Long Beach (Station W), continues -16- to serve the Los Angeles metropolitan area as a drainage channel for storm ninoff and many industrial vaste discharges. The flow at Station ^7, consisting mainly of siirface draineige and industrial waste discharges from San Fernando VeU-ley, was continuous throughout 1957- IXiring the year, the sxirface flow at Station ^7 remained sodium chloride-sulfate in character smd class 3 water for irrigation use, except during periods of rain runoff when the water quality improved. The water was very hard, ranging from 315 to 995 PPJn total hardness. Oil brine wastes, which are discharged into the river just upstream from Station lt8, contribute to the high concentrations of salts In the river at this point. Arsenic concentrations of 2.5 and 2.0 ppm were found in the May and September 1957 heavy meteLLs smalyses . The arsenic content of 2.5 Pim is the highest value found since it was first detected at this station in October 1952. The genered water quality of the river has not chajoged appreciably since sampling began in April I95I5 except that during periods when the river flow is increased by storm ninoff significant water quality improvement occurs . The San Gabriel River was sampled at the following three stations in 1957: at Azusa Powerhouse (Station ^Od) , at Azusa (Station 50a), and at Whittier Narrows (Station 50) . A review of sampling data from Station 50a reveals long periods with no flow, and as a result, this station was discontinued at the end of 1957 in favor of an upstream station at Azusa Powerhouse (Station 50d), established in June 1957. Water sampled at the Azusa Powerhouse was native San Gabirel River water. It was calciiim bicarbonate in chsLracter and moderately hard. Conductivity rsuiged from 330 to klf micromhos. It was class 1 water for irrigation use and met drinking water stemdards for mineral content . -17- Rair Colorado River water has at times been released from I>udding- stone Reservoir and channeled dovn WeJ.nut Creek and entered the San Gabriel River at Ssui Bernardino Road, five miles upstream from Station 50. These releases are used for spreading operations in the Montebello Forebay to the Central Coastal Plain Pressure Area. Except for these releases, there was no flow at this station during the sximmer months of 1957- The native quality of San Gabriel River water at this station was similar to that in upper reaches of the river except that the range in conductivity values increased from 58I to 1,302 micromhos auad it was very hard. This native water was class 1 for irrigation uses emd met drinking water standards for mineral content. V/hen raw Colorado River water was flowing in the channel or was mixed with the native water, the quality became class 2 irrigation water. Rio Hondo was sampled at Whittier Narrows (Station U9) . Except during periods of rain ininoff, the Rio Hondo flow consists primarily of effluent ground water from the Main San Gabriel Basin. In 1957 Rio Hondo water was calciiun- sodium bicarbonate in character. Chlorides ranged" between 33 and 2^6 ppm. Total dissolved solids ranged between approximately 320 and 1,000 ppm, at times exceeding the limits recommended for drinking water (Plate B-IT) • The water at this point has shown a general improve- ment in quality since 1952 but it still remains class 2 irrigation water. Mission Creek at Whittier Narrows (Station hSa.) , consists of ground water rising between San Gabriel River and Rio Hondo, in Whittier Narrows. Mission Creek is tributary to Rio Hondo just below this station. During 1957, the waters of this creek were found to be calcixun bicsirbonate in character and of good mineral quality. They were moderately hard and usually class 1 for irrigation use. Electrical conductivity reached 1,22** -18- micromhos in March 1957, the highest value reported since sampling began in April 1951- This high conductivity was accompanied by the record chloride of 218 ppan. The water met drinking water standards for mineral content. A monthly composite sample of raw Colorado River water was collected from the Metropolitan Water District Aqueduct at the F. E. Weymouth Memorial Softening and Filtration Plant at La Vern (Station 69) by the Metropolitan Water District of Southern California. The 1957 mineral analyses were characteristic of Colorado River water and showed no important change since the last report period of 1955-56. The water remained sodium- calcium sulfate in character and very hard. Total dissolved solids have shown a gradual increase in concentration since sampling began at this station in March 1951, reaching a maximum of approximately 820 ppm in February 1957 (Plate B-15). Central VsLLley Region (No. 5) For convenience of discussion, this large region is subdivided into four separate areas . The portion of the region making up the Sacramento River Valley is designated as 5a, the San Joaquin River Valley is 5b, the Sacramento-San Joaquin Delta area is 5c, and the Tulare Lake Basin is 5d. Surface water monitoring samples were collected in this region during 1957 from a total of 101 stations (Plate l) , as indicated in the following tabulation: -19- Sacramento River Valley (^a) Sacramento River (ll) McCloud River (l) Pit River (2) Blimey Creek (l) Cottonwood Creek (l) Mill Creek (l) Deer Creek (l) Big Chico Creek (l) Butte Creek (l) Feather River (2) Indian Creek (l) South Honcut Creek (l) Yuba River (?) Bear River (l) Sacramento Slough (l) American River (3) Stony Creek (l) Colusa Trough (l) Clear Lake (2) Cache Creek (?) Cache Creek. North Fork (l) Putah Creek (l) Lindsey Slough (l) Cache Sloiigh (l) Sam Joaquin River Valley (3b) San Joaquin River (2l) Salt Slough (1) Bear Creek (l) Merced River (2) Tuolumne River (3) Stanislaus River (2) Calaveras River (l) Mokeliomne River (U) Cosumnes River (l) Sacramento- San Joaquin River Delta (^c) Delta-Mendota Canal (2) Old River (5) False River (l) Italian Slough (l) Indian Slough (l) Dutch Slough (1) Rock Slough (1) Stockton Ship Chamnel (l) Little Potato Slo\agh (l) Contra Costa Canal (l) Delta Cross Channel (l) Kern River (3) Tule River (l) Tulare Lake Basin (^d) Kaweah River (l) Kings River (3) I Surface waters of the Central Valley Region are of varying quality. The waters draining from the Sierra Nevada, and Cascade and Trinity Mountains generally are of excellent quality, while those draining from the Tehachapi Moxintains and coastal rsuiges vary from poor to excellent quality. Valley floor waters vary In quality according to the proportion in which the above groups of waters are mixed and. the quantities of wastes discharged to the -20- streams. Conductivity values in the Central Valley Region ranged between 17.6 micromhos in the Kings River below North Fork (Station 33c) and 6,166 micromhos in the San Joaquin River above Salt Slough (Station 111b) during 1957- Monthly variations in total dissolved solids at 76 stations that have a period of record of five years (1953-1957) are presented graphiceilly on Plates B-20 through B-55 in Appendix B. Sacramento River Valley (5a) The Sacramento River flows for a distance of about 390 miles and drains the Sacramento Valley. The river originates in the Cascade Range near the base of Mount Shasta, and after passing through Shasta Reservoir, enters the valley proper below Red Bluff. Approximately 250 miles below Red Bluff, the river enters the Sacramento-Ssm Joaquin Delta downstream from the City of Sacramento. The upper reaches of the river are used primarily for recreation. In the reach between Shasta Dam and the Sacramento- San Joaquin Delta, municipal, industrial., and agricxiltural uses, in addition to recreational uses, become the predominant forms of water utilization. A large portion of the wastes discharged to the Sacramento River during the stimmer months are from agricultural drainage. The Cities of Redding and Red Bluff discharge domestic waste, the quality of which is reasonably constsmt throughout the year. In the City of Sacramento, on the other hand, large cannery operations contribute wastes mainly during the summer season. In addition to the foregoing, increasing quantities of industrial wastes also are discharged to the river. To maintain a continual check on the quality of the Sacramento River, 11 monitoring stations have been established between the headwaters and the mouth. These stations, selected so as to indicate changes in -21- quality caused by tributaries and wastes discharged to the river, are, in downstream order: Sacramento River at Delta above Shasta Lake (Station 11), at Keswick (Station 12), near Redding (Station 12a), at Bend (station 12c), near Hamilton City (Station 13), at Butte City (Station 87a), at Knights Landing (Station 1^+), at Sacramento (Station 15), at Snodgrass Slough (station 97), at Rio Vista (Station I6) and at Toland Landing (station 15a) . With the exception of a heavy metals problem in the vicinity of the Keswick station, the quality of the Sacramento River was excellent. At certain times during 1957 these heavy metals were in sufficient quantities to cause appreciable fish kills. According to the U. S. Fish and Wildlife Service fish kills were recorded in January, February, and September 1957- The source of these heavy metals was apparently Spring Creek, which enters the Sacramento River just upstream from Keswick Dam.* This creek drains an area occupied by numerous abandoned and operating mines. The drainage from these mines was very acid and carried in solution high concentrations of iron, aluminum, copper, zinc, and probably other toxic metals. When Sacramento River flow reaches Station 12a near Redding, mixing and dilution, and possibly precipitation usually reduces the heavy meteils to negligible concentrations . Wastes discharged into the Sacramento River, although substantial in quantity, are diluted to such an extent by good quality water entering from the western slopes of the Sierra Nevada, that, with the exception of the previously mentioned mine drainage, no serious impairment has ^| been evident so far at any of the Sacramento River sampling points. However, * "Report to State Water Pollution Control Board on Control of Pollution of Keswick Reservoir", June lU, 1957, Leeds, Hill, and Jewett, consulting engineers, Los Angeles, California, and "Sacramento River, Keswick Reservoir and Vicinity, Fall I955 and Spring I956, Stream Survey Report for the State of California", Academy of Natural Sciences, Philadelphia, Pennsylvania. -22- I « effects of using the Sacramento River as a conduit for receiving irrigation return water is readily shown by significant differences in conductivity which appear in a comparison of quality at key stations along the length of the river. Three such key stations are: Station 12c at Bend, which is located above most sources of quality degradation; Station ih at Knights Landing, below most of the sources of irrigation return flow but above the confluences of the major tributary streams; and Station 15 at Sacramento, which lies at the entrance to the Sacramento-San Joaquin Delta. Table 1 shows variations in the flow and quality of the Sacramento River at these three key stations at two different times during 1957. May 1957 was just prior to full irrigation water use and irrigation drainaige to the Sacramento River and July 1957 was the time at which the irrigation season was well under way. TABLE 1 SACRAMENTO RIVER WATER QUALITY May 1957 * July 1957 Station Location : Flow'^ : (cfs) : Conductance : : (micromhos) : Flow'^ (cfs) : Conductance : (micromhos) Bend (l2c) 29,900 106 9,6Uo 120 Knights Landing (lU) 17,380 117 6,210 209 Sacrsimento (15) 19,590 158 9,780 I6U a - Average of mean daily flows . Conductance reached a peak at Knights Landing because of return irrigation water and then decreased at Sacramento, reflecting the inflow of the Feather and American Rivers. The same condition, to approximately the same degree, has been noted each year since the program was initiated in April 1951. -23- Veiriations in the quality of the McCloud River above Shasta Lake (station l8) have been slight since sampling began in April 1951. However, the highest conductivity for the period of record, I50 micromhos, occurred in June 1957- The water was calcium bicarbonate in character and suitable for nearly all uses. Water samples were collected from Pit River near Canby (Station ITa) and near the community of Montgomery Creek (Station 1?) • The concentrations of mineral constituents at Montgomery Creek have varied only slightly since sampling began in April 1951 > while at Canby, where conductivity ranged between I50 and 253 micromhos diiring 1957, the concentrations were slightly lower during 1956 and 1957 as compared to previous years of record. With the exception of chlorides and magnesixim, the concentrations of all constituents decreased between the upstream station at Canby and the down- sti^am station at Montgomery Creek. This drop in salt concentration between the upper and lower station was probably caused by the introduction of waters from tributaries which enter the Pit River between the two stations. A decrease in turbidity, which occurred between the two stations, was attributed to the settling of suspended solids on the flat hydraulic gradient in Big and Fall River Valleys. Surface water seimples collected from Burney Creek near Burney (station 17c) have shown no appreciable variation in quality since the initiation of the program in April 1951. The total dissolved solids concentrations were less than 100 ppm in 1957 (Plate B-22). Maximum concentrations of many dissolved constituents in Cottonwood Creek near Cottonwood (Station 12b) during 1957 were noted in February. Total dissolved solids were approximately I90 ppm (Plate B-27), .2k. sodium 15 ppoi, chlorides 22 ppm, ajid toteil hardness 12U ppm. These values do not represent a significant deviation from concentrations fo\uid since April 1951' The water remained bicarbonate type with calciiun and magnesiiun as major cations and suitable for most uses. Variations in the quality of Mill Creek near Los Molinos (station 88) have been slight since this station was added to the program in April 1952. During 1957, the water was calcium-sodium bicarbonate in character with conductivity values ranging between 100 and 213 micromhos. The water has been suitable for most uses except that boron has often been present in high enoiigh concentrations to place it in class 2 for irrigation. The maximum boron concentration for 1957 was O.56 ppn, reported in January. Samples of water were collected from Deer Creek near Vina (Station 95) This water was bicarbonate type with no major cation, class 1 for irrigation, and met drinking water standards for mineral content. No significant changes in quality have occurred in this creek since sampling was initiated in August 1952. In 1957, the total dissolved solids ranged from a low of 60 ppm in March to a high of 192 ppm in September (Plate B-27) • Surface water samples from Big Chico Creek near Chico (Station 85), showed no noticeable change in water quality since sampling began in July 1952. The water continued to be bicarbonate type, class 1 for irrigation and met drinking water standards for mineral content. Total dissolved solids have ranged between ko and 2^*0 ppn for the period of record auid reached a maxlTmam concentration of approximately 150 ppm during 1957 (Plate B-21). There have been no significant variations in concentrations of constituents in Butte Creek near Chico (Station 8U) since the beginning of -25- sampling in July 1952. It was a calcium bicarbonate type water, class 1 for irrigation, and met drinking water staridards for mineral content. Total dissolved solids have varied between 35 and 95 ppm for the period of record and between ^5 emd 85 ppm during 1957 (Plate B-22) . Samples of water were collected from the Feather River near Oroville (Station I9), and at Nicolaus (Station 20). At Station 19, the concentration of totsJ. dissolved solids ranged between ^5 and 80 ppra in 1957 (Plate B-30) and the concentrations of all other constituents were correspondingly low. There was practically no salt pickup between the upstream station near Oroville and the station at Nicolaus . There was only minor seasonal variations in quality and there have been no appreciable changes in the quality of the water since the beginning of the program in April 1951. Indian Creek , sampled near Crescent Mills (Station 17d), is an important tributary of the Feather River and joins it upstream of the station near Oroville (Station I9) • This water was calcium bicarbonate in character, of excellent quality and suitable for nearly eill uses. No significant variation in concentration of constituents has been detected at this station since sampling began in April 1951. Total dissolved solids ranged between 68 and I80 ppm, reaching the maximum in August 1957 (Plate B-30) Samples of water collected from South Honcut Creek near Bangor (station 90) showed total dissolved solids ranging from 75 to 210 ppm during 1957 (Plate B-50), and no significemt change from values reported since July 1952. Total dissolved solids ranged between 35 and 90 Ppm (Plate 6-5*+ and 55) in water samples collected from Yuba River near Smartville (Station 21a) and at Marysville (Station 2l) . The water continued to be csilcium -26- I bicarbonate in character ajid suitable for nearly all uses. There was no appreciable variation in concentration of constituents between the upstream and downstream stations and fluctuations in quality have been slight since sampling began in April 1951. Water samples collected from Bear River near Wheatland (Station 78) diiring 1957 indicate no appreciable changes in quality since December 1951 with the exception of seasonal fluctuations. The water was calcium bicarbonate in character, class 1 for irrigation, axid within drinking water standards for mineral content. During 1957, total dissolved solids ranged between U5 and 190 ppm (Plate B-21) . The flow of Sacramento Slough , which was sampled near Knights Landing (Station 1^), is made up almost entirely of irrigation drainage and return flows, and effluent ground waters which enter the slough during the irrigation season. During periods of heavy rainfall, its flow consists of storm runoff. When water is flowing in Sutter Bypass, the sloi;igh is submerged. During 1957, the quality pattern at this station was comparable to previous years of record. In 1957^ the highest concentration of dissolved salts occurred in February, reaching 312 ppm. After a low of 80 ppm in March, the concentration climbed to 275 in July (Plate B-U5). The maximum concentration of dissolved minerals during February resulted from the low flow in the river. During 1957, surface water samples were collected from the American River at Nimbus Dam (Station 22a), at Fair Oaks (Station 22d), and at Sacramento (Station 22). 'Hiere was no appreciable variation in water quality from 1955 through 1957. The water in the American River was calcium bicarbonate in character and of excellent quality, with total dissolved -27- solids at Station 22 ranging between 35 and 50 ppm during 1957 (Plate B-20) . This narrow range reflects the absence of sources of degradation and the stabilizing effect of Folsom Dam on quality fluctuations. Daring 195^> prior to the construction of Folsom Dam, total dissolved solids ranged between 21 and 7^ ppn. While waste discharges have not as~yet had any apparent effect on the quality of this water, increased development in the area between Folsom Dam and Sacramento could have a detrimental effect on water quality in the future, particularly from a sanitary standpoint. Surface water samples were collected from Stony Creek near Hamilton City (Station 13a) during 1957. This water was calcium- magnesium bicarbonate in character, with concentration of constituents below the limits for all but the most exacting uses . Conductivity ranged between 260 and 396 micromhos during 1957, reflecting no significant change in the concentration of constituents of this water since the initiation of the monitoring program in April 1951' The water in Colusa Trough , which -is made up of surface runoff and irrigation return flow from the Colusa Basin, was sampled near Colusa (station 87). Since sampling began in July 1952, analyses have shown this water to be sodium bicarbonate in character and moderately to very hard. Usually during the winter and early spring months the concentrations of total dissolved solids qualitatively place this water in class 2 for irrigation. During the balance of the year, the water in Colusa Trough is class 1. The ranges of hardness and total dissolved solids (Plate B-26) in 1957 were 96 to 356 ppm and 212 to 820 ppm, respectively. Clear Lake water samples were collected near Clearlake Oaks (station ko) and at Lakeport (Station Ul). No appreciable difference in mineral quality between the two stations has been detected. Conductivity -28- ranged between 238 and 28l micromhos during 1957, representing no significant change from values found since April 1951- Clear Lake is usually calcium-magnesium bicarbonate and class 2 irrigation water because of the high boron concentrations which varied between 0.67 and 0.91 ppm in 1957- The Clear Lake region has been long recognized as a boron area and the relatively high boron concentrations found in the lake are attributed to the many highly mineralized springs in the area. Cache Creek , which contains the outflow from Clear Lake, was sampled near Lower Lake (Station ^2) sind about hO miles downstream near Capay (Station 80) . The water in Cache Creek near Lower Lake was essentially the same in character and quality as in Clear Lake . Con- centrations of most constituents changed markedly, however, between Station k2 and Station 80. In February 1957, conductivity increased from 311 to 968 micromhos, chlorides increased from 12 to 1U5 ppm, and boron concentrations increased from O.8O to 5-00 PPm between the upper and lower stations . Because of the high boron concentration in Cache Creek, the water was usually class 2 for irrigation at the upstream station and often class 3 at the downstream station. The increase in constituents between Stations i^2 and 80 on Cache Creek has occurred annually since the inception of the sampling program in April 1951 and is directly related to the sources of the flow in Cache Creek. The quality of Cache Creek at Capay results from the mixing of Clear Lake water, and tributary flows which enter Cache Creek between the two stations. When the flow in Cache Creek at Lower Lake is quite low, the quality at Capay reflects the water draining an area having numerous mineralized springs . A major contributor of mineralized water. North Fork of Cache Creek is discussed next. -29- Cache Creek, North Fork , which enters the main stem about eight miles below Lower Lake, was sampled near Lower Lake (Station 79)- This water accounts for some of the increase in concentrations of constituents in the main stem between Lower Lake and Capay. In the North Fork, concentrations of dissolved salts were generally higher than in the main stem. Conductivity ranged between l8l and 563 micromhos in the North Fork during 1957, indicating a slight improvement in quality over previous years since the station was added to the program in December 1951- Relatively high boron concentrations, which ranged from 0.53 to k.& ppm during 1957) are characteristic of this stream. In general, concentrations of constituents in Putah Creek near Winters (Station 81) were significantly lower during 1957 thaji have previously been reported since sampling began in December 1951- Conductivity, which was reported as 26l micromhos in September 1957 as compared to 789 micromhos in September 1955 j is illustrative of the improvement in quality. Boron, which reached a maximum concentration of 0.57 ppm in Jaxiuary 1957, occasionally causes this water to be class 2 for irrigation. However, it was well within the limits for class 1 irrigation water during most of the year. This water is generally suitable for nearly all uses and consistently meets drinking water standards for mineral content. Lindsey Slough was sampled near Rio Vista (Station llO). While concentrations of most constituents in this water were lower in 1957 than have been reported since September 1952, no cycle or definite trend is indicated. The water remained calcium-magnesium bicarbonate in character with conductivity ranging between I65 and 253 micromhos during 1957 as compared to a range of l6k to 377 micromhos during I956. -30- i The waters of Cache Slough below Lindsey Sloiagh (Station 110a) were similar to the waters of Lindsey Sloiigh Doth in character and in concentration of mineral constituents . The conductivity of this water ranged between 110 and l80 micromhos during 1957. San Joaquin River Valley (^b) The San Joaquin River originates in the Sierra Nevada on the east side of the Sein Joaquin Valley. It flows in a westerly direction until it reaches the trough of the valley, then turns north and flows approximately 150 miles to the Sacramento- San Joaquin Delta. Friant Dam, which stores water in the foothills, supplies the Friant-Kern and Madera Canals. During the irrigation season water imported from the Delta enters the San Joaquin River at the Mendota Pool through the Delta-Mendota Canal, which at times provides the entire water supply in the reach of the river between Mendota Pool and Fremont Ford Bridge . The diversions below the Mendota Pool are so great that during the irrigation season the river usually goes dry by the time it reaches Dos Palos about 25 miles downstream. Near Fremont Ford, just above the point where the Merced River enters the San Joaquin River, the water in the San Joaquin River consists almost entirely of irrigation return flow. Below this point, the quality in the river is dependent upon the relative volumes of irrigation return water and diluting water from the Merced, Tuolumne and Stanislaus Rivers. Below the confluence with the Stanislaus River, the San Joaquin River enters the Delta area. During 1957 > surface water seimples were collected from 21 points on the San Joaquin River (Plate l): -31- at Friant (Station 2U) near Biola (Station 2k&) at Whitehouse (Station 2Ub) near Mendota (Station 25) near Dos Palos (Station 25a) above Salt Slough (Station 111b) at Fremont Ford Bridge (station 25c) above Merced River (Station 30a) at Hills Ferry Bridge (station 25b) at Crows Lsmding Bridge (station 26b) at Patterson Water Company (station 27a) near Grayson (Station 26) at West Stanislaus Irrigation District (Station 2Tb) at Maze Road Bridge (Station 26a) near Vernalis (Station 27) at Mossdale Bridge (Station 102) at Brandt Bridge (Station 101a) at Garwood Bridge (Station 101 ) at San Andreas Landing (Station 112b) at Jersey Point (Station 28b) at Antioch (Station 28) d ♦ Upstream from the Sacramento- San Joaquin Delta, the San Joaquin River is comprised of two distinctly different waters. Above the Mendota Pool, the river contains native San Joaquin water. In the reach between the Mendota Pool near Mendota (Station 25) and Vernalis (Station 27), the river contains a mixture of large quantities of irrigation return flows, effluent ground waters, and waters from Merced, Stanislaus, and Tuolumne Rivers. Downstream from Vernalis the San Joaquin River enters the Sacramento- San Joaquin Delta complex. The quality of the San Joaquin River upstream from Mendota Pool has not changed appreciably since the inception of the surface water quality monitoring program in April 1951- The conductivity of water at Frieuit Dam remged between 33 '2 and kj .8 micromhos during 1957. The concentrations of most constituents in the San Joaquin River between Mendota Pool and VernaLLis have gradually increased since 1951. i -32. Seasoneil fluctuations in qusLLity in this reach have been significsuit in past years and are dependent to a Isirge extent on the respective quantities of flow in the tributary streams smd drainage canals. During 1957, the conductivity in this reach of the river ranged between 73-9 micromhos neaur Hendota (Station 25) and 6,l66 micromhos above Salt Slough (Station 111b). The dilution effect of the Merced, Tuolumne, and Stanislaus Rivers was evidenced by the decrease in concentration of constituents immediately below the confluence of the streams . This effect is shown by Table 2 which lists flow, conductivity, and chlorides at 12 stations in this reach of the river for January and July 1957. The Merced River is tributary to the San Joaquin River between Stations 30a and 25b, the Tuolumne River between Stations 27b and 26a, and the Stanislaus River between Stations 26a and 27. Downstream from Vernalis, the quality of the San Joaquin River is primarily dependent on the export draft of the Tracy and Contra Costa (CVP) pumping plants and the interrelationship between sea water and the qusuitity of fresh water outflow from the Sacramento- San Joaquin Delta. During 1957, samples of water were collected from Salt Slough at San Luis Ranch (Station 92a) . The waters of this slough consisted of mixture of effluent ground water, irrigation return water, emd runoff. The historical data indicates that the quality of this water chsmges greatly from the winter months when most of the water is effluent ground water, to the summer months, when irrigation return flows are at the peak. As an example, the conductivity of water from Salt Slough decreased from 2,196 micromhos in January to 766 micromhos in July with the introduction of return flows and again increased to 2,000 micromhos in November. ■33- TABLE 2 SAN JOAQUIN RIVER WATER QUALITY a - Flow not available . t) - Average mean daily flow, c - Average for month, d - Instantaneous flow. .3k- January 1957 July 1957 - Station Location : Flow : :(cfs) : Conductsmce: (micromhos) : Chlorides (ppm) Flow : (cfs) : Conductance: (micromhos): Chlorides (ppm) Mendota (25) a 73.9 6.7 a J+11 61 Dos Palos (25a) a 208 2k a 371 kl j Salt Slough (lllb) a 399 ko a f^k 106 ' Fremont Ford Bridge (25c) 210^ i,6i^° 301*^ 163^ 998° 17U° Merced River (30a) a l,it20 213 a 1,269 221 Hills Ferry Bridge (25b) a 1,373 213 a 1,076 I8U Crows Landing Bridge (26b) a 1,170 158 a 909 li^3 1 Patterson Water Company (27a) a 1,072 151 a 1,011 159 1 Grayson (26) 608 at Tahoe City (Station 38), and at Tahoe Vista (Station 37). The water of this laJce was calci\am bicarbonate in character, of excellent mineral quality and suitable for most uses. Conductivity in the lake ranged between 68 and lO^i micromhos during 1957, with no appreciable variation between stations. There have been no significant changes in the quality of this water since sampling began in April 1951- During 1957 there was no appreciable change in quality of the Truckee River between the upstream station near Tmckee (Station 52) and the downstream station near Farad (Station 53). It was a bicarbonate type water with calcium as predominant cation. Conductivity remged between 55 and IO6 micrcanhos during 1957. Quality variations have been insignificant on the Tmickee River since the beginning of the program in April 1951. .k2- I Mojave River was sampled near Victorville (Station 6?) and at The Forks (Station 67a) . Station 67a was added to the stream sampling program to monitor the upper reaches of Mojave River. The new station was established in June 1957, and is located immediately below the confluence of the West Fork of Mojave River and Deep Creek. During summer months, surface flow in the West Fork usually ceases, and Deep Creek remains as the source of surface flow in the Mojave River. For the greater part of the year 1957, surface flow infiltrated into the river sands below Victorville . In years when runoff is above normal, surface flow is continuous from the Forks to beyond Victor- ville, and at times even to Soda Dry Lake near Baker. Comparison of analyses of samples from the two stations showed that the water at the Forks was of better quality than the water at Victorville. Conductivity ranged between 387 and ^92 micromhos at Station 67 and between 25O and 5*^ micromhos at Station 67a. The character of the water at both stations was bicarbonate in type, with csilcium and sodium the predominant cations. Waters at both stations were suitable for most beneficisd uses, met drinking water standards for mineral content and were class 1 for irrigation. Analyses obtained at Station 67 since the initiation of the stream sampling program in 1951, show that the quality of the water has chsmged very little . The City of Victorville discharges seweige to oxidation ponds in the vicinity of the Mojave River upstream from Station 67- Little or no effect on the mineral quality of the water has been detected from this operation . -kz- Colorado River Basin Region (No. 7) Water samples were collected In the Colorado River Basin In 1957 from 1^ surface water monitoring stations (Plate l), as indicated in the following tabulation: Alamo River (2) New River (2) Colorado River (6) All American Canal (l) Whitewater River (2) Salton Sea (l) The Colorado River Basin Region of California is a typical desert area of Southern California. The quality of surface waters varies widely due to high content of soluble minerals in the soils, high evaporation rates, and sparse precipitation. The concentrations of most constituents in the Alamo and New Rivers have generally increased since sampling began. No significant cheuige has been detected In the quality of the waters of the other monitored streams in this region. Occasional heavy rains often resiilt in flash floods of short duration. Rain runoff, although high in silt content, is generally of good mineral quality. Except for the Colorado River, natural surface streams in this region are usually dry throughout the year. A graphical presentation of monthly variation in totsQ. dissolved solids at six stations that have a period of record of five years (1953-1957) can be found on Plates B-60 through B-62 of Appendix B. The Alamo and New Rivers , which enter the United States from Mexico and flow into the Salton Sea, continue to carry Irrigation return water, sewage, suad canaJ. spills from the All American Canal and distribution canals of the Imperial Irrigation District. The New River still presents a serious water quality problem because of Industrial waste and raw sewage discharges from the City of Mexlcali in Mexico. Bacterial counts remained high. Several raw sewage discharges within the United States into the Alamo and New Rivers continue to impair the quality of these waters . -l|if- Alamo River water, which was sampled at the International Boundary (station 59) and near Calipatria (Station 6o), varied in character from sodium chloride to sodium chloride - sulfate . The water was not of recommended mineral quality for domestic use and was usually class 3 irrigation water. In 1957, the electrical conductivity of samples collected at Station 59 ranged from 3,891 to 6,^52 micromhos, while samples at Station 60 ranged from 2,985 to k,0k8 micromhos. Boron ranged from 1.00 to I.98 ppm at Station 59, and from O.^tO to 0.68 ppm at Station 60. A study of available quality records for these stations indicates a gradual increase in dissolved salts since sampling begsin in April 1951 • New River was sampled at the International Boundary (Station 57) and near Westmorland (Station 58) . Comparison of 1957 analyses of samples from these two stations with previously reported analyses of the past six years revealed no significant change in the mineral quality of this water in 1957. The water at both stations remained sodium chloride in character. It was not of recommended quality for domestic use and was class 3 irrigation water. The electriceLL conductivity of waters sampled during 1957 at Station 57 ranged from ^,^5 to 7,^2 micromhos and at Station 58 varied from 3,921 to 5,102 micromhos. Boron content of samples from Station 57 ranged from O.76 to 1.46 ppm, while those from Station 58 varied from 0.76 to 1.10 ppn. The Colorado River was seunpled at the following six points in 1957: near Topock, Arizona (Station 5U), at the Metropolitan Water District intake on Lake Havasu (Station 56d), at Parker Dam (Station 55), near Blythe (Station 56c), at Yuma, Arizona (Station 56), and. below Morelos Dam at the United States-Mexico border (Station 56b) . Water at these stations I was sampled in May and September, except at Lake Havasu, which was sampled monthly by the Metropolitan Water District of Southern California. The predominant cations in Coloreulo River water were calcium and sodium, and the predominant anion was sulfate. No significsuit changes in mineral character or quality were detected in samples collected at the Colorado River sampling stations during 1957, when compared with sinalyses of previous years of record. Colorado River water remained in the "very hard" category with hardness ranging between 350 and 486 ppm. The sulfate content of this water, which reached a maximum of kok ppn in 1957, usually exceeded the recommended concentration of the United States Public Health Service drinking water standards. The total dissolved solids content of the two samples collected in 1957 at Stations 56 and 56b were reported as l,0l6 and 1,023 ppm; and as 1,090 and 1,029 Ppm, respectively. These total dissolved solids values exceed the recommended concentration for drinking water and place the water in class 2 for irrigation. Comparison of ansLLyses showed a significant increase in each of the mineretL constituents as the waters moved downstreeim toward Mexico. This mineral pickup was probably due to reduction of flow through consumptive use, evaporation, and inflow of salts from return irrigation water and waste discharges. The All American Canal , which was sampled near Pilot Knob (Station 56a), conveys water from the Colorado River at Imperial Dam to the Imperial and Coachella Valleys for irrigation use. The water at this station is usually poorer in mineral quality than the river water at Blythe, but better than the minersO. quality of the river water at Yvuna. No significant change in quality has been detected during the period of record. All American Canal -1+6- water remained class 2 for irrigation use because of excessive electrical conductivity, which reached 1,351 micrcmhos in May 1957. The sulfate content of this water usually exceeded the recommended standard for drinking water. Whitewater River was sampled at Whitewater (Station 68) and at Mecca (Station 68b). There has seldom been any flow during the summer months at Station 68. When surface flow diminishes below a certain amount, water is pxunped from wells upstream from Station 68 and discharged to the river channel to supplement the natural flow. The entire flow of the river is then diverted and conveyed south to the vicinity of Palm Springs . During 1957, surface water at Station 68 was calcium bicarbonate in character and rajaged from moderately hard to very hard. Conductivity at this station ranged between U05 and U83 micromhos . It was class 1 irrigation water, and met drinking water standards for mineral content. Comparison of 1957 analyses of samples from Station 68 with those of prior years showed no significsuit change in mineral quality. In July 1957, the station on the Whitewater River at Mecca (station 68b) was added to the surface water quality monitoring program to monitor the drainage and storm ninoff from Coachella Valley. The most accessible site on the Whitewater River near its outlet to the Salton Sea was selected for this station. Except during infrequent periods of heavy precipitation, flow in the Whitewater River extends northwesterly from its outlet only to the vicinity of Indio. This flow consists chiefly of irrigation return euid drainage wastes . The water at this station was class 3 irrigation water during 1957, and did not meet drinking water -U7- standards for mineral content. The water was sodium sulfate-chloride in character and was extremely hard. The total dissolved solids content of this water usually exceeded 2,000 ppm and reached approximately 2,800 ppm in December 1957- Sulfates, also characteristicsdly high in this water, were reported as 777 ppn in September 1957. A portion of the treated sewage from the City of Indio is discharged to the Whitewater River approximately l6 miles above this station. Salt on Sea was sampled near the north end at Salton Sea State Park (station 68a) . Salton Sea is situated between Coachella and Imperial Valleys. It receives the waste, surface, and drainage waters of these valleys. During 1956 and 1957 j the surface elevation of Salton Sea appeared to be stabilizing following an extensive period of rise. Evapora- tion from its surface is approximately six feet of water annually. Salton Sea water contained about 3^>300 ppm total dissolved solids in 1957. This water was sodium chloride in character and similar to ocean water. However, its calcium and sulfate contents were greater, and chloride content was less than that of ocean water. No significant change in the mineral quality of Salton Sea water was discernible during 1957, but increases in salt content can be anticipated in the future. The 1957 quality of this water was not appreciably different from previous years of record. Santa Ana Region (No. 8) During 1957, samples were collected at eight surface water monitoring stations in the Santa Ana Region (Plate l), as indicated by the following tabulation: -k8- I Santa Ana River (k) Chino Creek (l) Warm Creek (2) Lake Elsinore (l) Runoff from this region during 1957 was less than 50 percent of the long-time mean annual runoff. During 1957, conductivity rsu:iged between 208 micromhos in Santa Ana River near Mentone (Station 511)) and 35,399 micromhos in Leike Elsinore near Elsinore (Station 89) . Little or no deterioration in quality of vater was noted in comparing 1957 emalyses with those of earlier years. The quality of surface water improves noticeably in periods of high flow, when better quality rain runoff contributes to the normal flow. Monthly variations in total dissolved solids at seven stations that have a period of record of five years (1953-1957) are presented graphically on Plates B-63 through B-65 of Appendix B. Lake Elsinore (station 89) is not presented in this fashion because of a long period of dryness in the lake. The Santa Ana River was sampled at the following four stations: at Mentone (Station 51b), at Riverside above both the Metropolitan Water District blowoff and Riverside sewage treatment plant (Station 51d), at Norco (station 51e), and near Prado Dam (Station 51a). Sajita Ana River water quality showed a slight improvement in 1957 over previous years since 1951 when sampling was initiated, principally because no Colorado River water v&s discharged into the natural stream flow from the Metropolitan Water District blowoff near Arlington. Since October 1956, deliveries of raw Colorado River water to Orange Coxinty have been made to Santiago Reservoir or discharged to Santa Ana River, which are about six miles below Prado Dam (Station 51a). .I19- I In 1957, the character of water in the Santa Ana River varied from calcitun bicarbonate above Riverside to generally calcium- sodium bicetrbonate -chloride at and below Norco. Surface water near Mentone (Station 51h) continued to be class 1 irrigation water and met drinking water standards for mineral content. The water ranged from soft to moderately hard, with the maximum being 101 ppm in September 1957. The character was generally calcium bicarbonate with magnesium and sodium as secondary cations. Total dissolved solids at this station did not exceed 200 ppn during 1957 (Plate B-63) . The quality of the water at this station was excellent and showed little effect from the recreational developnents in the headwater drainage area above this station . Water in the Santa Ana River at Riverside (Station ^lA) showed increases in mineral constituents in 1957 over the previous six-year averages. Total dissolved solids content ranged between 565 and 76O ppm (Plate B-6k) and hardness ranged from 278 to 365 ppm. The water was calciiim bicarbonate in character. Although the water at this station has usually been class 1 or 2 irrigation water, based primarily upon total dissolved solids, it has met drinking water standards for mineral content. Warm Creek tributary inflow, which carries some sewsige treatment plant effluent, discharges to the Santa Ana River channel above this station, and there are some irrigation return water discharges upstream from this station. These waste waters were the probable cause of the increase in mineral content of the water at this station over that at Jfentone . Santa Ana River at Norco (Station 51e) has shown a slight improve- ment of water quality since its addition to the program in September 1955- The water was ceilcium- sodium bicarbonate-chloride in character and very hard. -50- Electrical conductivity, which reached a maximum of 1,115 micromhos in 1957, placed this water in class 2 for irrigation, though all other factors indicated it to be suited for most crops, "nie water samples collected at this station in 1957 niet drinking water standards for minereLl constituents. Effluent from the City of Riverside's sewage treatment plant, although normally conveyed downstream for irrigation use, was on rare occasions discharged to the river above this station. Samples of water taken from Ssuata Ana River near Prado Dam (station 51a) in 1957, showed a slight improvement in water quality over previous years since 1951 • The character of the water was calcium- sodium bicarbonate-chloride, with temporary variations in prominence of anion constituents. The water was very hard, and was class 1 irrigation water except at times electrical conductivity, with a maucimum of 1,038 micromhos in 1957 slightly exceeded the stanaard limit for this class. Although mandatory drinking water standards for mineral content were met, total dissolved solids which ranged from 506 to 686 ppm (Plate B-6k) exceeded the nonmandatory (desirable) limit of 5OO ppm. The City of Chino sewage treatment plant discharges its effluent waste to Chino Creek, which is tributary to Santa Ana River above Prado Dam. There was little change in minersG. content between Station 51e, at Norco, and Station 51a' Warm Creek was sampled at two points: at San Bemandino (Station 50c), and at Colton (Station 50b). Warm Creek at San Bemeindino (Station 50c), upstream from the San Bernardino sewage treatment plant, is sampled to monitor the natural flow of the creek. Virtually aJ.1 natursJ. flows were diverted below Station 50c into Meeks and Daley Canal, to be used for irrigation during 1957. -51- The quality of natural flow has remained about the same since 195'+> when a general increase in the concentration of most constituents over previous yesLTS was noted. The water was genered.ly calcium bicarbonate in cheiracter and varied from soft to very hard in 1957. Total dissolved solids ranged between 296 and k'^S PPn (Plate B-65). It was class 1 irrigation water and met drinking water standards for mineral content . Warm Creek at Colton (Station 50b) is ssunpled to monitor the effect of San Bernardino sewage treatment plant effluent on surface water quality in Warm Creek. The sewage effluent was formerly diverted into Riverside Canal for irrigation use; however, in 1957> it flowed to the Santa Ana River. There was no apparent change in mineral quality in 1957 from previous years. Its character was generally sodium-calciiom bicarbonate- chloride. Total dissolved solids ranged between 37^ and 58^ ppni during 1957 (Plate B-65). The water was class 1 irrigation water and met drinking water standards for mineral constituents. The water was moderately hard to very hard. Chino Creek near Chino, at Pine Avenue (Station 86) is sampled to monitor the effects of the effluent wastes of Chino sewage treatment plant. During 1957, the flow at this station consisted chiefly of this effluent except during periods of rain runoff. Analyses of samples tsiken at this station in 1957 indicated no significant chauige in quality from previous years. The water remained calcium- sodiiom bicarbonate in character and was very hard. It was usually class 1 irrigation water, although at times electrical conductivity, which was 1,006 micromhos in April 1957 > slightly exceeded the upper limit of class 1. -52- Lake Elsinore near Elsinore, at north shore, (Station 89) was dry for 11 months prior to the time of sampling in February and March 1957. Rains of January and Febmiary 1957 left a thin layer of water on the lake bottom. Total dissolved solids exceeded 20,000 ppm in the two samples collected in 1957- The quality of water in this lake has been quite variable during the period of record. However, in all cases it has been found to be class 3 irrigation water. San Diego Region (Ho. 9) During 1957j samples were collected from six of the seven sampling stations in the San Diego Region (Plate l) . One sampling station was dry throioghout 1957 • These sampling jKJints are indicated in the following tabulation: Santa Margarita River (l) Sam Diego River (l) San Luis Rey River (l) Forester Creek (l) Escondido Creek (l) Tia Juana River (l) San Dieguito River (l) During 1957, drouth conditions prevailed throughout the San Diego Region. Eleven reservoirs of the City of San Diego held only lit.5 percent of their storage capacity on October 1, 1957- The Metropolitan Water District imported Colorado River water at about the maximum rated capacity of the two existing conduits. Construction of a third barrel was authorized in early 1957. Monthly variations in total dissolved solids for four stations that have a period of record of five years (1953-1957) are presented graphically on Plates B-66 and B-67 of Appendix B. These graphs are not presented for the stations on the Sbji Dieguito ajid Tia Juana Rivers because of extensive periods of no flow. -53- % Samples collected from Santa Margarita River near Fallbrook (station 51c) in 1957 showed that the water continued to be sodium bicarbonate-chloride in character emd very hard. It was class 2 for irrigation use during 1957 with conductivity ranging between 1,226 and 1,592 micromhos. It met drinking water standards for mineral content, except at times when chlorides, which ranged between 1^+8 and 27 *+ ppn, exceeded the recommended limit . Water quality at this station in 1957 showed a slight improvement over that of the previously rejxjrted period (1955-I956) , but the concentration of most constituents remained higher than the period 1951 through 195 ^^^ Santa Margarita River had a year- round surface flow, but summer discharges were very small. Sail Luis Rey River was sampled near Pala (Station 62). This sampling point is at a diversion dam which at times of flow diverts the entire flow in the river. The analyses of samples collected at this station in 1957 show a calcium-sodium bicarbonate-chloride type water which was very hard and, in general, comparable in quality to that found in previous years of record. Conductivity ranged between 6^1 eind 762 micromhos during 1957. It was class 1 irrigation water and met drinking water standards for mineral content. Due to drought conditions prevailing in 1957^ the river was dry in September and October for the first time since the establishment of the statewide stream sampling program in 1951- The flow of Escondido Creek near Harmony Grove (Station 63) usually consists of City of Escondido sewage treatment plant effluent and, at times, stone quarry cooling water containing cutting waste. In 1957 > a small earth dam 200 yards downstream from this station remained in place throughout the year and stored ninoff . Ponded waters at times during 1957 i I extended upstream beyond the station. During these periods, water sajnples were collected from the area of the pond effected by the inflow. The creek did not dry up during the summer of 1957 as it has in previous years. The concentrations of most constituents in this water during 1957 were slightly lower than values reported in 1956, but were about the same as those reported during previous years of record. Water at Station 63 was sodium chloride-sulfate in character and was very hard. It was class 2 irrigation water during 1957 due to conductivity which rajiged between 1,218 and 2,2^7 micromhos ajid chlrodes which rsmged between 173 and 353 ppm. The chloride concentrations at this point usually exceeded both the class 1 irrigation limit and the recommended limit for drinking water. Sam Dleguito River below San Pasqual Valley (Station 6k) was dry during 1957, continuing a condition which has existed since June 195^, when it was last ssimpled. San Diego River was sampled at Old Mission Dam (Station 65) . In February and March 1957, San Diego River carried storm water ininoff . During the remainder of the year, water was ponded above and below the dam, and samples were collected from the downstream pond. Analyses of 1957 samples show that the character of the water continued to be sodium chloride emd that the water was very hard. Conductivity ranged between 2,137 and U,098 micromhos and chlorides ranged between U08 aiad 1,060 ppm. It was class 2 irrigation water and usually exceeded recommended limits for totaJ. dissolved solids and chloride concentrations in drinking water. The concentrations of most constituents in this water in 1956 and 1957 were about the same and indicate a general degradation of the quality found since April 1951* -55- Forester Creek at Mission Gorge Road (Station 65a), in San Diego River Valley, was established in June 1957 > to monitor the quality of runoff from El Cajon Valley. The City of El Cajon discharges its sewage plant effluent to this creek channel. It flows in a northerly direction to the San Diego River channel. Analyses of 195T samples show the creek water at Station 65a to be sodium chloride -sulfate in character and very hard. It was usually class 2 or 3 irrigation water, with conductivity ranging between l,7l8 and 2,3^+2 micromhos, chlorides ranging between 312 and kk8 ppm, and boron ranging between 0.2U and I.05 ppm. The chloride and total dissolved solids content of this water has usueJ-ly exceeded recommended limits for drinking water. Bacterial counts were generally high. Tia Juana River at the International Boundary (Station 66) was dry, except in Jemuary and November 1957. Rodrigues Reservoir, ten miles upstream from the station, controls practically all of the surface runoff above this station. Analyses of the two samples collected in 1957 showed that the character of the water continued to be sodium chloride . These analyses also showed that the river water was class 1 for irrigation, with 935 micromhos conductivity reported in January, and 715 micromhos reported in November. The water was moderately hard, and it met the recommended drinking water standards for mineral constituents. The concentration of constituents in the two samples collected in 1957 were significantly lower than concentrations found in previous years of record. .56- The brief flows in 1957 carried trash and some domestic wastes from the portions of the City of Tijuana adjoining the river channel. Bacterial counts were high, and it is suspected that there may be niimerous waste discharges to the river channel in Mexico. -57- PLATE I SI Station number NORTH <' 1 Klamatl 2 Klamatl 3 Klamatl 3a Smith ll 4 Trinity \ 4a Trinity i 5 Eel Riv( 6 Eel Rivj 7 Eel R., i 8 Russian! 8a Russian 9 Russian 10 Russian^ 10a Russian Valle) 10b Russiai^ SAN FRANj 28a Carquin 72 Napa Rj 73 Alaraedj 74 Los Gat!^ 82 Coyote { CENTRAL 43a Salinas^ 45 Santa ifx^ Canyi ^■ 45a Santa ^ 75 San Loii 76 Soquel i 77 Pajaro 83 Carmel 96 Uvas Ci 45b 46 46a 46b 46c 46d 46e 47 48 49 49a 50 50a 50d 61 70 LOS Al Matilija Santa C* Ventij Santa (J Santa d Piru Cn I Sespe CJ Santa P Los Ang ^ Los Ang Rio Ho: MissionI San (Ja San Ga SanG Ventur; Metropc Aque( Mono-d Fern; il^. CENTRAL 11 Saoranii 12 Sacrami 12a Sacrami 12b Cottony 12c Sacram^ 13 Sacrami 13a Stony (_] 14 Sacramj 14a Sacramj Land 15 Sacram 15a Sacram STATE OF CALIFORNIA DEPARTMENT OF WATER RESOURCES DIVISION OF RESOURCES PLANNING WATER QUALITY INVESTIGATIONS STREAM SAMPLING STATIONS SURFACE WATER QUALITY MONITORING PROGRAM 1957 SCALE OF MILES 10 10 20 30 40 STREAM SAMPLING STATIONS SURFACE WATER QUALITY MONITORING PROGRAM 1957 >• COUfAL UaWN (Hm. II UlU> Pduto Stoofb 11 Trri IT mn anr IT P 1 R -""I!,*"""" ■- "'^ 101 San JuiqulD R. at Ranrood Bridfr \'c Burnrt Cntk ofurBuniaj 3a Bmltb Rlrcr a»r Cnmol Tiii 102 4 TriBllrBlTirDniHtopa IV McClQud R. alutf Sligal* Lakr OldRlr.ranrTraFT 4l Trlnllr Bl'trdLcwidon Old Ki.rral Cli(I»n Court Faro S BrlRUtmrarUrCiDn 10« lullanHlourliDtarMoiitb e ErlRlnrotBrolK Ml V«(.iiBI«rBi'Mo.Ta.lllr Indian Bloufh nrar Brrutwood T B.IH..SouIhF«tlinf«Sli™Bni>R.ntf-airOakt Rorti 8loii[li n.ar Ki.iibI..D ^ Mikrrumai- R ■< Wmlliridr' H»a C«oIrt Cuita Canal at FirR Pomp 10a RiwuD R.. Eul Fork ii P..ilri 10b Hu-ianRi-rrp'trUkisli Zla McjktlumDtR.DrailAiicba Plana 2* Han Jusquln Rirai at FrIaDI 110 LindMj SUiKh n.ir Kin Virta I'arbr Slomti briar UbAhj Slou(b Bear Crrak n.ar SlarlBaoD 111b tiaa Juaiuln R. tioti Salt Slnufh ■JS San JoaqulDlt. Dnr»«D Cat— Cnr^ dI Lq> Galf» ■S.b Son J<-quLD R, Dl m\. ¥t,n BrWte 82 Cijulr Ci™k u-at llartnin- av S.B Jomoia it, 01 Frioioni Ford Briijt !7h SuuDKU.ralSauD.illr ONTIU COJUIU UDION (N>. ai :;0a Ran Joaguln ft. al Ua» Road BriilcF Lakr Tabor al TabM Vlila «. S>llouRi»ri(P..oRol.W Mb »aD J»qaiii R it Otn UdiIIoe 2T Sao Joaqsln R, Drir Viniilia 38 I-krTaWaiTabwCltj 45 »>«UYi)nHtt»btlo«L»t«ur*LH 30 Uk. TabM gl Bijou CaD]Dii k; Tnitin Rii.r n.ar Tntkn tS. aaDUYDxRlT.r>iS«lTau Tn,rk«Ilt.,ri.rar Farad TS 8an Ur>n» Rkrt al BicTran ■Jn Sm Jua'jDiD R. al W<>l Slaaliliui Mujair Rl>.r n.ar Vlctnrriltf 70 SoqutlCnfkalSaquil O-a Mi>lavrRl..rallbrrcirkt 77 l-a]«roRI.MnMffl,m,nJrn ■Jl> 1S>D JoaqulD R at Ai.IXK'b 2Sh MnJMijulnR.alJrf.., IMal COIOUDO RIWIB lAllN UOION INa. M r.a.Owl.ortt Morgan HOI S} HIistiUuaHlii'rncarMnuib 2tla SiBBlUauaR.b'ti'vTiilliH'hUani CnluraJi) K. oror Tii[ii«li, Ariiuno LOI ANOILU UGION [H*.4| «. ™„.„..,„„>...-w.,„,.,. M C.-l<.rado R, al I'arfc.r Daoi 4.-.I. Ualilliarmkabtir.HaiUtjaDtni aOa StD J«*ai»n U. aboir Mrnrd R. SHa All Am.rluD Canal a.ar Pilot KdoI *9 e^Dti Clara Rii Pin Sb Klrna Rltn b>l lUarnii.rn.irWIintland I rarbfUrMhaiaFL'apa; pDlab Cr»k Dtar WlnUn I BallfCrHkDrarl-blnr ■ Bl( Cblni Craak unr Chin) ' CnluoTruucbDnrCuliiu s HarraiD.nTu R. al B«itrCii> I >liU Crwk naar U» Uollnua IlritaUndoU C. rotaloDn R. al II D.*r Crtrk am \ Sarram.ntoR. at m AliniuRliei Mb tiania Ana Klot n.ar Ufiilo Sid IliDUAaaRi.rralKl.rraid 51« SiDta Ana Rl.rr *i Nnrcn Se (-binoCrHkD«rl-bln» 80 Lukt KlonoiT D«r BItlcnn 00 TiaJganaRloi nk APPENDIX A PROCEDURES AND CRITERIA APPENDIX A PROCEDURES AND CRITERIA TABLE OF CONTENTS APPENDIX A Page Field Methods and Procedures A-2 Laboratory Methods and Procedures A- 3 Procedures and Interpretation of Results for Water Pollution Radioassay A-5 Water Quality Criteria A-9 Criteria for Drinking Water A-9 Criteria for Irrigation Water A-12 Criteria for Industrial Water A-12 Criteria for Fish and Aquatic Life A-I3 TABLES Table number Page A-1 Types of Analyses A-4 A-2 Limiting Concentrations of Mineral Constituents in Drinking Water A-10 A-3 Hardness Classification of Waters, U. S. Geological Survey A-11 k-k Qualitative Classification of Irrigation Waters A-12 A-5 Water Quality Tolerance for Industrial Uses A-lU A-1 Field Methods and Procedures Water samples are collected in May and September each year for stemdard mineral, and heavy metals analyses and radiological assay. Water samples are collected the other ten months for partial mineral analysis. Duplicate samples are collected monthly for bacterial examination and are kept in portable ice boxes until mailed to the laboratory in special con- tainers. Every effort is made to get the samples to the laboratory as quickly as possible. At the time the samples are collected for laboratory examination, field determinations are made for dissolved oxygen (modified Winkler method), water temperature and pH. Visual inspection is made of the stream or lake smd the physical conditions are noted. Where possible, the sampling stations have been selected at bridges to permit the collection of the sample from the center of the stream. When bridges are not available, the sample is collected from the bank of the stream. Where water depth permits, the mineral and dissolved oxygen samples are collected with aji integrating sampler which obtains a representative sample of the vertical cross section of the stream. Bacterial samples are collected by inverting a sterilized bottle and dipping at least four inches below the surface . Where possible, the sampling stations have been selected so as to be at or near stream gaging stations so that gage heights can also be recorded at the time the water samples are collected. Instantaneous stream discharges at the time of sample collection are then obtained. In cases where instantaneous discharges are not available, mean daily discharges are used. A-2 i Agencies participating in the field sampling program are listed below, together with the number of stations sampled monthly by each agency: Niimber of stations Agency sampled Department of Water Resources 121 Department of Public Health, Bureau of Sanitary Engineering 23 State Water Pollution Control Board 3 Department of Fish and Game 1 United States Bureau of Reclamation l8 United States Corps of Engineers k United States Geological Survey 6 Metropolitan Water District of Southern California 2 City of San Bernardino 2 City of Los Angeles, Department of Water and Power 1 City of Los Angeles, Department of Public Health 1 City of Long Beach, Department of Public Health 1 Total 183 Laboratory Methods and Procedures Mineral amalysis and determination of heavy metals are performed by the Water Quality Brsmch of the United States Geological Survey, and by the Department of Water Resources laboratories located in Sacramento, San Bernardino, and Riverside. Bacterial examinations are made by the California Department of Public Health, Division of Laboratories, in Berkeley and Los Angeles. Methods of mineral and bacterial analysis, in general, are those described in the American Public Health Association publication entitled A- 3 "standard Methods for the Examination of Water and Sewage", 10th Edition, 1955. In some cases the methods described in the following publications also have been employed: (1) U. S. Geological Survey, "Methods of Water Analysis", 1950, (2) California Department of Water Resources, "Tentative Methods of Water Analysis", September I96O. Table A-1 indicates the constituents analyzed in connection with this program: TABLE A-1 Types of Analyses I 7T~ 7 : Standard: Partial: _ ~ 7~7T~~7~, '. T" Constituent . ^ . , Bacterial Radiological : mineral : mineral: : Specific conductance (ECx10^25°C) X X V ra „ -, (ECxlO^; Total dissolved solids (TDS) Percent sodivim (/^Na) Hardness Turbidity Coliform Temperature Dissolved oxygen (D.O.) Calcium (Ca) Magnesium (Mg) Sodiiun (Na) Potassium (K) Carbonate (CO3) Bicarbonate (HCO3) Sulfate (SOi^^) Chloride (Cl) Nitrate (NOi^) Fluoride (F) Boron (b) Silica (Si) Phosphate (POi^) Zinc (Zn)'^ Iron (Fe)c Copper (Cu)^ Alumin\m (A1) Manganese (Mn) Arsenic (As)'^ Hexavalent chromium (Cr'*"")^ Dissolved alpha X Solid alpha X Dissolved beta X Solid beta X a. pH determined both in the field and in the laboratory. b. Field determination. c. These constituents are normally designated as heavy metals. A-U X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X I Radiological assays are performed by the California Disaster Office's laboratory in Sacramento using the procedures set forth below: Procedures and Interpretation of Results* for Water Pollution Radioassay I. ANALYTICAL PROCEDURES A. Sample Preparation 1. Samples are collected, where possible, from the center of the stream in one-half gallon jugs during the routine stream sampling program . 2. On receipt in the laboratory, each sample is well mixed, and two 250 ml aliquots taken. Each is acidified with a few drops of glacial acetic acid, and two drops of colloidal graphite suspension (Aquadag) added. 3. The aliquot is filtered under suction through a membrane ( "Millipore") filter, which retains suspended particulate matter of approximately 0.2 microns diameter and larger. Filters are treated with an antistatic preparation (Merix Anti-Static No. 79-01') to eliminate any extraneous electrostatic charge. h. The filtrate is placed in a 250 ml voliimetric flask, inverted and the mouth placed in a 1-^/^" x l/k" aluminiim culture dish in a "chicken- feeder" type arrangement. The flask is supported by a ring stand; the dish rests on a hotplate adjusted so that the sample is taJcen to dryness at a temperature well below boiling. 5. At this point there are duplicate samples of both suspended solids and dissolved material from each original water sample ready for determination of radioactive content. B. Counting Techniques 1. Two determinations are made on each sample, one for gross beta, and one for gross alpha radioactivity. This represents a total of eight determinations for each original sample. 2. Beta activity is determined with an internal gas flow counter operating in the proportional region, using argon-methane mixture as a flow gas. Background determinations are made before the first sample count each day, and then after each two sample counts throughout the day. Determinations of coiinter efficiency * Prepared by California Disaster Office, Radiological Service, revised September 11, 1957. A-5 are made with a reference stsmdard (thalliiun - 20U) at least twice daily. Each determination of sample smd background count rate is made for a total of U,096 counts. 3. Alpha activity is determined with a scintillation counter utilizing an activated zinc sulfide phosphor sample . Back- ground aiid efficiency measurements are made in the same manner as are the beta measurements except that pQlonium - 210 is used as an alpha reference standard and each determina- tion of sample sind backgroiind count rate is made for a pre- set time of 32 minutes. Since samples are r\m in duplicate, the total time for each sample count and background determina- tions is 6h minutes. Calculations I 1. Results are expressed as micro-micro curies per liter (uuc/l). One micro-micro curie is equivalent to 2.22 disintegrations per minute. Four values are reported for each sample: (a) beta r, activity in the solids retained on the filter, (b) beta J activity in the filtrate (dissolved material), (c) alpha activity in the solids, and (d) alpha activity in the filtrate. 2. Sample counts are corrected for background and geometric efficiency. 3. Standard statistical procedures are utilized to compute the 0.9 error. The final result is expressed (symbolically) as X ± y mic/l. This means that in a series of determinations on the same sample, the value of x should fall between x - y and X + y, 90^ of the time. k. In cases where zero or negative values are included between the limits of X + y and x - y the result is reported as 0. II. LIMITATIONS OF MEIHODS EMPLOYED | A. Sample Preparation A perfect sample for determination of radioactive content would be infinitely thin, and would contain all of the constituents of the original material except the water. In practice, those criteria are virtually impossible to attain. Essentially infinitely thin samples can be prepared only from water with low solid and dissolved salt content. Some solid and dissolved materials are adsorbed on the walls of vessels used in sample collection and preparation. Volatilization and losses from spattering during volume reduction cannot be completely avoided. Thus, obviously, radioassay results are dependent upon sample preparation techniques . A-6 B. Nature of the Radioactive Disintegration Process and the Measurement thereof At least three basic phenomena make the exact determinations of low levels of radioactivity extremely difficult. These are: 1. The random nature of the radioactive disintegration process limiting the accuracy of any determination because of statistical fluctuations inherent in the counting data. 2. The low ratio of sample count to background count. Any detector of rsidioactivity always measures (in the absence of an active sample) at a certain - and not always constant - level, which is termed the background radiation level. This is caused by cosmic radiation, traces of naturally occurring radioactive materials, and sometimes by "noise" characteristic of the electronic equipment used. In making determinations on samples in which the counting rate is only slightly higher than the background counting rate, inherent errors are relatively large. 3. Self-absorption. Unless samples are essentially infinitely thin, alpha and low-energy beta radiation arising from the lower layers of the samples may not penetrate the upper layers, and thereof re remain \indetected. Corrections can be made for self-absorption when dealing with known radioisotopes. In cases where the contaminant is not identifiable, these corrections cannot, as a rxile, be made. Calculations There are three factors which can lead to errors in the reported results. These are: 1. Geometric efficiency. This factor is determined using arti- ficial standards. These are not prepared in the same manner as samples. Also it is possible that the energy of radiations emanating from the two standards may be significantly different from the unknown. Both of these considerations make the factors used rather artifical, and somewhat in error. It is not possible to determine the magnitude of this error, although it is probably not large in most cases. 2. Errors in sample count. Reasons for this were discussed in Sections A and B above. 3. Errors in confidence limits. Statistical computations made are based on the Gaussian approximation of the Poisson distribution law. At low count rates this approximation is subject to error. A-7 The calculated confidence limits are based solely on statis- tical fluctuations caused by the random nature of the radio- active disintegration process. It is assumed that coiints produced by background radiation and by electronic noise are also random. All of the foregoing would tend to indicate that absolute determination of low levels of radioactivity is impossible. This is true, but by talking every possible measure to reduce sources of error, it is possible to obtain a relatively accurate measure of these low levels. As activity levels increase from neaj: background, the precision of measurement increases correspondingly. III. LIMITS OF DETECTABILITY A. Minimum Detectable Levels 1. Beta Activity. Equijanent and techniques used are such that the minimum reliably detectable beta activity amounts to 7-8 |i|ic/l. 2. Alpha Activity. Due principally to lower levels of alpha background radiation, alpha activity of the order of 1 |i^lc/l can be reliably detected. There is one situation in which it is not possible to report such small amounts of activity. Some stream samples contain particulates of an amount and size distribution that causes the filter to clog. In such cases, it is not possible to filter a full 250 ml sample. Consequently, in applying the volume factor (see Sample Calculations) to subsequent calc\ilations, a large error is introduced. B. Minimum Detectable Changes in Levels of Radioactivity Knowing minimum detectable quantities of radioactivity, it is then pertinent to inquire as to the minimum increases above these which can be reliably measured. It is not possible to assign fixed values here, but it amounts to about 2 Wic/l for beta, and 0.3 M^c/l for alpha contamination. IV. INTERPRETATION OF RESULTS The various factors which limit the accuracy of measurement shoiild be kept in mind in making interpretations of results. These factors are of considerable consequence for determinations which are only slightly above the background level, which is generally the case here. The maximum concentration of radioactive contaminants of unknown nature in drinking water has been set at 100 |i|ic/l. In this study, levels this high are generally not expected. The purpose is to establish a base-line or background level, and to provide a continuing check to determine if and when increases occur as a result of rapidly expanding peacetime uses of radioactive materials . A-8 SAMPLE CALCULATIONS Rs = Average count rate of duplicate samples = 55 counts/minute Rb = Average count rate of background determinations = 50 counts/minute Net count = Rs - Rb = 55 - 50 = 5 counts/minute t = time of sajnple count = time of backgrotmd count ■ 6k minutes Activity = 5 c/m x k (volume factor to put on a liter basis) = l8.0 kinc/l 0.5 (geometric efficiency factor) x 2.22 d/m/nnc 0.9 confidence level = 1.6^5 x = 1.645 X Rs + Rb ts t. 55 + 50 =2.1 counts/minute 2.1 X k =7.6 Wic/l .5 X 2.22 Thus the activity of this sample is l8.0 ± 7.6 mic/l. This means that in a series of detemiinations on this sample, 90^ of the time the value would fall between 10. U and 25.6 uuc/l. This basic formula is used for alpha and beta determinations. For alpha, ts and tb are constant. For beta, ts and tb are variable and are functions of Rs and Rb, respectively. Water Quality Criteria Criteria currently used by the Department of Water Resources to determine acceptability of water for the most common beneficial uses are described hereinafter. In general, the vsilues presented herein should be considered only as guides to judgment, and not as absolute limiting standards, Criteria for Drinking Water Chapter 7 of the California Health and Safety Code contains laws and standards relating to domestic water supply. Section ^10.5 of this code A- 9 refers to the drinking water standards promulgated by the United States Public Health Service for water used on interstate carriers. These criteria have been euiopted by the State of California. They are set forth in detail in United States Public Health Report, Volume 6l, No. 11, March 15, 19^, reissued in March 1956. According to Section U.2 of the above-named report, chemical sub- stsinces in drinking water supplies, either natural or treated, should not exceed the concentrations shown in Table A-2. The suspected relationship of the occurrence of infant methemo- globinemia to the presence of nitrates in the water supply has led to limita- tion of sillowable nitrates in drinking water. The California State Department of Public Health has recommended a tentative limit of 10 ppm nitrate nitrogen {kk pjan nitrates) for domestic water. Any water containing higher concentra- tions should be considered of questionable suitability for domestic and municipal use . TABLE A-2 LIMITING CONCENTRATIONS OF MINERAL CONSTITUENTS FOR DRINKING WATER United States Public Health Service Drinking Water Standards, 19^+6 Constituent Parts per million Majidatory Fluoride (f) Lead (Pb) Selenium (Se) , Hexavalent chromium (Cr"*" ) Arsenic (As) Nonmsmdatory but Recommended Values Iron (Fe) and manganese (Mn) toge the r Magnesium (Mg) Chloride (Cl) Sulfate (SOi^) Copper (Cu) Zinc (Zn) Phenolic compounds in terms of phenol Total solids - desirable Total solids - permitted ■ ~ A- 10 1.5 0.1 0.05 0.05 0.05 0.3 125 250 250 3.0 15 0.001 500 1,000 The California State Board of Public Health recently has defined the maximiim safe amounts of fluoride ion in drinking water in relation to mean annual temperature. Mean annual Mean monthly maximum temperature fluoride ion concentration in °F in ppm 50 1.5 60 1.0 70 - above 0.7 Limits may be established for other organic or mineral substances if their presence in water renders it hazardous, in the judgment of state or local health authorities. An sidditional factor with which water users are concerned is the factor of hardness. Hardness is due principally to calcium and magnesium salts and is generally evidenced by inability to develop suds when using soap. The United States GeologicsLL Survey has suggested the following tabulation for degrees of hardness: TABLE A- 3 HARDNESS CLASSIFICATION OF WATERS U. S. Geological Siirvey Range of hardness : Relative in parts per million : classification 0-55 Soft 56 - 100 Slightly hard 101 - 200 Moderately hard Greater than 200 Very hard While radioactivity criteria for water use is still in a state of development, the maximum concentration, in drinking water, of radioactive contaminants of unknown nature has usually been set at 100 unc/l . A-11 Criteria for Irrigation Water The following criteria for mineral quality of irrigation water have been develoi)ed at the University of California at Davis and at the United States Department of Agricxilture Regional Salinity Laboratory at Riverside. Because of diverse climatological conditions and variations in crops and soils in California, only genereil limits of quality for irrigation waters can be suggested. The department uses the three broad classifications of irrigation waters listed in Table A-^i. TABLE A-k QUALITATIVE CLASSIFICATION OF IRRIGATION WATERS Chemical properties Class 1 Excellent to good (Suitable for most plants under any conditions of soil and climate) Class 2 Class 3 : Injurious to Good to injurious , „ : unsatisfactory (Possibly harmful: (Harmful to for some crops :most crops and under certain : unsatisfactory soil conditions) : for all but the :most tolerant) Total dissolved solids In ppm /■ In conductance, ECxlO Chloride ion concentration In milliequlvalents per liter In ppm Sodium in percent of base constituents Boron, in ppm Less than TOO Less than 1,000 Less than 5 Less than 175 Less than 60 Less than 0.5 TOO - 2,000 1,000 - 3,000 5 - 10 1T5 - 350 60 - T5 0.5 - 2.0 More than 2,000 More than 3,000 More than 10 More than 350 VSore than T5 More than 2.0 Criteria for Industrial Water The water quality criteria for the diversified uses of water in industry reuige from the exacting requirements for make-up water for high pressure boilers to the minimum requirements for water for washdown and metallurgicail processing. A- 12 Because of the large number of industrial uses of water and widely varied quality requirements, it is practicable to suggest only very broad criteria of quality. These variable conditions make it desirable to consider water quality requirements in broad and general terms only, and where possible, for groups of related industries rather than individually. The general quality requirements of several individual and major groups of water uses are listed in Table A-5. The values shown in this table are those suggested in the progress report of the Committee on Quality of Tolerance of Water for Industrial Uses in the Journal of the New England Water Works Association, Volume ^k, 19^. Criteria for Fish and Aquatic Life Water of suitable quality ajid quantity is a fundamenteil require- ment for the existence of an abundant supply of fish and aquatic life. It is very important that water quality conditions be such as to maintain an abundant supply of food required by fish ajid other desirable forms of aquatic life. Streams utilized for the propagation of fish and aquatic life should be free of toxic or harmful concentrations of mineral and orgemic substances and excessive turbidity. Extensive field and laboratory studies conducted by the United States Fish and Wildlife Service show that, among other things, the water in streams supporting a mixed fauna of waj:Tn water fish such as bluegill, bass, crappie, and catfish should have the following properties: (a) dissolved oxygen not less than 5 ppni (at least 6 ppm for Salmonoids), (b) ]pR range between 6.5 and 8.5, A-13 3 a E- (n (. 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O O o I I 1^^ I O > -rt 0) C to fH 9 Oj cm g c c p <» c I I I I I I S'll O ITS UN ir\ CM 1-4 ■ o. -H o T3 -P O §tn C a) 3 o o oJ — • fc. w J I I I e O o -P 0< (O o o 3 _ - ■ O T3 ' 3 13 oJ tn o 1 O. C C +3 T^ t. I 3 bO x: > O. 3 <« o( i -rt o, t« o ajTjW)!-* Ci-i o t« C o •*H o 3 o- o o tn E >5 cu o eg s • O O liN UN I I O I O O O O eJ • • ■H O O O CM eg I UN q) O t3 U* O rH TJ & 1 : 0) tm ' c 01 »-i ^ w C •4J 3 +5 c •E o ol •T3 01 01 s g-> -p ■p m F • E w • c a. o a c lO +> ^ o. • p 01 o 60 o DC J C J3 CTN ^ 01 rH S O 0> C +> 01 * O t. iH «-■ 0) bor^ C o> o eg o »g t. O rH 60 « a <^ Oj b o) • CI. 01 W UN * ® i-H e o > 60 0) ^ -P a) «H p e O m-t £1 O A-lit (c) ionizable salts, as indicated by conductivity, between 150 ajid 500 micromhos at 25° Centigrade, emd in general not exceeding 1,000 micromhos, (d) ammonia not exceeding I.5 ppm. MineraQ. salts of high toxicity to fish are those of silver, mercixry, copper, zinc, lead, cadmium, nickel, trivalent and hexavalent chromixim, and others. Some pairs of toxicants, such as copper and zinc (also copper and cadmium, nickel and zinc) are far more toxic when combined thsin when they occur individually. Other toxic substances, when combined, neutralize each other through antagonism or chemicsJ. reaction (e.g., free cyanide combines with toxic heavy metal cations, such sis nickel and copi)er ions, to form relatively harmless metallocysmide complexes) The increasing use of household and industrial detergents, as well as the expansion in the manufacture and use of agriculture insecticides, poses serious hazards to fish and aquatic life. Preliminary studies, for example, indicate that one of the most common household detergents is lethal to relatively hardy fish at very low concentrations . This detergent was lethal to fish in fresh water at concentrations below 0.1 ppm and below 0.005 ppm in SEilt water. The increase in toxicity in salt water can probably be attributed to the fact that marine fishes must ingest water to maintain their osmotic balajice. Development and use of water resources, including the constniction of dams for storage of water, frequently affects water temperature which in turn affects fish and other aquatic life. Optimum water temperature for cold water fish, such as trout and salmon, normally lie between 32° and 65° Fahrenheit. The cold water species are generally intolerant to temperatures above 75° Fahrenheit and will seek the lower temperature A-15 where possible. Warm water fish such as minnows, carp, catfish, perch, sunfish, and bass normally live in water having temperatures ranging from near 32° to 86° Fahrenheit. Acclimation enables certain wajnn water species to live in water having temperatues as high as 90° Fahrenheit, although they will migrate, where possible, to waters below 86° Fahrenheit. A- 16 APPENDIX B BASIC DATA I I TABLE OF CONTENTS Table mimber Page Sampling Station Data B-1 North Coastal Region (No. l) B-9 B-2 San Francisco Bay Region (No. 2) B-11 B-3 Central Coastal Region (No. 3) B-I3 B-^ Los Angeles Region (No. k) B-I5 B-5 Central Valley Region (No. 5) B-I9 B-6 Lahontan Region (No. 6) B-33 B-7 Colorado River Basin Region (No. 7) B-35 B-8 Santa Ana Region (No. 8) B-37 B-9 San Diego Region (No. 9) B-39 Analyses of Surface Waters B-10 North Coastal Region (No. l) B-Ul B-11 San F-ancisco Bay Region (No. 2) B-57 B-12 Central Coastal Region (No. 3) B-63 B-13 Los Angeles Region (No. U) B-71 B-lU Central Valley Region (No. 5) B-89 B-15 Lahontan Region (No. 6) B-213 B-I6 Colorado River Basin Region (No. 7) B-221 B-17 Santa Ana Region (No. 8) B-235 B-I8 San Diego Region (No. 9) B-2l43 B-1 Table number Page Radioassay of Surface Waters B-19 North Coastal Region (No. l) B-251 B-20 San Francisco Bay Region (No. 2) B-253 B-21 Central Coastal Region (No. 3) B-255 B-22 Los Angeles Region (No. k) B-257 B-23 Central Valley Region (No. 5) B-259 B-2U Lahontan Region (No. 6) B-265 B-25 Colorado River Basin Region (No. 7) B-267 B-26 Santa Ana Region (No. 8) B-269 B-27 San Diego Region (No. 9) B-271 Plate number PLATES North Coastal Region (No. l) B-1 Quality Characteristics of Eel River near McCann and Eel River at Scotia B-273 B-2 Quality Characteristics of Eel River, South Fork near Miranda and Klamath River near Copco B-27^ B-3 Quaility Characteristics of Klamath River near Klamath and Klamath River at Somesbar B-275 B-h Quality Characteristics of Russian River at Guerneville and Russian River near Healdsburg B-276 B-5 Quality Characteristics of Russian River near Hopland and Russian River near Ukiah B-277 B-6 Quality Characteristics of Russian River, East Fork near Calpella and Russian River, East Fork at Potter Valley Powerhouse B-278 B-7 Quality Characteristics of Smith River near Crescent City and Trinity River near Hoopa B-279 B-8 Quality Characteristics of Trinity River at Lewiston . . . B-280 B-2 Plate number Sam Francisco Bay Region (No. 2) B-9 Quality Characteristics of Alameda Creek near Niles and Coyote Creek near Madrone B-28l B-10 Quality Characteristics of Los Gatos Creek at Los Gatos and Napa River near St. Helena B-282 Central Coastal Region (No. 3) B-11 Quality Characteristics of Carmel River near Carmel and Pajaro River near Chittenden B-283 B-12 Quality Characteristics of Salinas River at Paso Robles and San Lorenzo River at Big Trees .... B-28U B-I3 Quality Characteristics of Santa Ynez River below Los Laureles Canyon and Santa Ynez River at Solvang B-285 B-1^ Quality Characteristics of Soquel Creek at Soquel and Uvas Creek near Morgan Hill B-286 Los Angeles Region (No. h) B-I5 Quality Characteristics of Matlllja Creek above Matilija Dam and Metropolitan Water District Aqueduct at LaVerne B-28T B-I6 Quality Characteristics of Mission C^eek at Whittier Narrows and Mono-Owens Aqueduct near San Fernando B-288 B-I7 Quality Characteristics of Rio Hondo at Whittier Narrows and San Gabriel River at Whittier Narrows B-289 B-I8 Quality Characteristics of Santa Clara River at Los Angeles-Ventura County Line and Santa Clara River near Santa Paula B-290 B-I9 Quality Characteristics of Ventura River near Ventura B-291 B-3 Plate number Central Valley Region (No. 5) B-20 Quality Characteristics of American River at Sacramento and Bear Creek near Stevinson B-293 B-21 Quality Characteristics of Bear River near Wheatland and Big Chico Creek near Chico B-29i<- B-22 QueuLity Characteristics of Burney Creek near Bumey and Butte Creek nesir Chico B-295 B-23 Quality Characteristics of Cache Creek near Capay and Cache Creek near Lower Lake B-296 B-24 Quality Characteristics of Cache Creek, North Fork near Lower Lake and Calaveras River near Jenny Lind B-29T B-25 Quality Characteristics of Clear Lake near Clearlake Oaks and Clear Lake at Lakeport B-298 B-26 Quality Characteristics of Colusa Trough near Colusa and Cosximnes River near Michigan Bar B-299 B-27 Quality Characteristics of Cottonwood Creek near Cottonwood and Deer Creek near Vina B-300 B-28 QusLlity Characteristics of Delta Cross Chaxmel near Walnut Grove and Delta-Mendota Canal near Mendota B-301 B-29 Quality Characteristics of Delta-Mendota Canal near Tracy and Feather River at Nicolaus B-302 B-30 Quality Characteristics of Feather River near Oroville and Indiein Creek near Crescent Mills B-303 B-31 Quality Characteristics of Indian Slovigh near Brentwood and Italian Slough near Mouth B-30U B-32 Quality Characteristics of Kaweah River near Three Rivers and Kern River near Bakersfield B-305 B-33 Quality Characteristics of Kings River below North Fork and Kings River below Peoples Weir B-306 B-3^ Quality Characteristics of Lindsey Slough near Rio Vista and Little Potato Slough at Terminous B-307 B-k Plate number Page Central Valley Region (No. 3) (cont.) B-35 Quality Characteristics of McCloud River above Shasta L6Lke and Merced River below Exchequer Dam B-308 B-36 Quality Characteristics of Merced River near Stevinson and Mill Creek near Los Molinos B-309 B-37 Quality Characteristics of Mokelumne River near Lancha Plana and Mokelumne River at Woodbridge B-3IO B-38 Quality Characteristics of Old River at Clifton Covirt Ferry emd Old River at Orwood Bridge B-3II B-39 Quality Characteristics of Old River near Tracy and Pit River near Canby B-312 B-UO Quality Characteristics of Pit River near Montgomery Creek and Putah Creek near Winters B-313 B-kl Quality Characteristics of Rock Slough near Knightsen and Sacramento River at Delta B-31U B-42 Quality Characteristics of Sacramento River near Hamilton City and Sacramento River at Keswick B-315 B-U3 Quality Characteristics of Sacramento River at Knights Landing and Sacramento River near Redding B-316 B-hk Quality Characteristics of Sacramento River at Rio Vista and Sacramento River at Sacramento B-317 B-U5 Quality Characteristics of Sacramento River at Snodgrass Slough and Sacramento Slough near Knights Landing B-318 B-kS Quality Characteristics of San Joaquin River at Antloch and San Joaquin River near Dos Palos B-319 B-kj Quality Characteristics of San Joaquin River at Friant and San Joaquin River at Garwood Bridge .... B-320 B-U8 Quality Characteristics of San Joaquin River near Grayson and San Joaquin River at Maze Road Bridge . . . B-321 B-U9 Quality Characteristics of San Joaquin River near Mendota and San Joaquin River at Mossdale Bridge . . . B-322 B-5 Plate mimber Central Valley Region (No. 3) (cont.) B-50 Quality Characteristics of San Joaquin River near Vernalis and South Honcut Creek near Bangor .... B-323 B-51 Quality Characteristics of Stanislaus River near Mouth and Stockton Ship Channel at Rindge Island .... B-32U B-52 Quality Characteristics of Stony Creek near Hsunilton City and Tule River near Porterville B-325 B-53 Quality Characteristics of Tuolumne River below Don Pedro Dam and Tuolumne River at Hickman- Waterford Bridge B-326 B-5^ Quality Characteristics of Tuolumne River at Tuolumne City and Yuba River at Marysville B-32T B-55 Quality Characteristics of Yuba River at Smartville . . . B-328 Lahontan Region (No. 6) B-56 Quality Characteristics of Lake Tahoe at Bijou and Lake Tahoe at Tahoe City B-329 B-57 Quality Characteristics of Lake Tahoe at Tahoe Vista and Mojave River near Victorville B-330 B-58 Quality Characteristics of Susan River at Susemville and Truckee River near Farad B-331 B-59 Quality Characteristics of Truckee River near Truckee B-332 Colorado River Basin Region (No. 7) B-60 Quality Characteristics of Alamo River near Calapatria and Alamo River at International Boundary B-333 B-61 Quality Characteristics of New River at International Boundary and New River at Westmorland B-33^ B-62 Quality Characteristics of Whitewater River at Whitewater B-335 B-6 f Plate number Page Santa Ana Region (No. 8) B-63 Quality Characteristics of Chino Creek near Chino and Seinta Ana River near Mentone B-337 B-64 Quality Characteristics of Santa Ana River near Prado Dam and Santa Ana River at Riverside B-338 B-65 Quality Characteristics of Warm Creek at Colton and Warm Creek at San Bernardino B-339 San Diego Region (No. 9) B-66 Quality Cheiracteristics of Escondido Creek near Harmony Grove and San Diego River at Old Mission Dam B-3UI B-67 Quality Characteristics of San Luis Rey River near Fala. and Saxita Margarita River near Fallbrook . . . 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OS r\ Jt ■* ITN u\ o rM o J* r~~ %r\ Q.U O- l-l ■>4 r-l -* ^ r-> CM CM CM iH fH 0-t _ XJ »,£ CO Jt l^'-S^ UN CO °° S S.c tH O O • ^ • o c • tf ^ 3^ - o ^ Sfcj o| " o • o • o • o| o o Jt St 32.3 2 ?5 o| vol «a «mI «! c o O VO CD UN CM NO O o 8 UN o 52 O o o o o r> o o o o c o • • • • • • • • • • • • c o e (D o o o o o o o o o o o o r4 f-l o o °-5u. 3j • o • o e V n o ex O o • o o o o tft c ill fc • o o • • o o • o > o o o 3 o o cr» o <^ o CN UN 11 C^ u> oo CM oo CM ;* * o c^ U" •H U> St ir 3- 1 ■ _ (-4 • O • O • o • O • r- • O • O • o • o • o • O • ° 5-00 B *H • • r^ • o • r~> • o • c> • • fH • o • r-* • r4 o O o o o o o o o o o o o a: ^ o o *H Ko -^-=f? • o • o c o • CM • 3 ^ o o 1 «'« R oo ^ 5 ^?: 3 CM § ON CM NO CM O CM VO CM o s o fH ^ o fH OO NO #H fH ^ K ogU • • • • • • • • • • • • •> C D^5 « iH k* o o o o <-■ l-t fH H fH o 1 K o o o o s o o 8 o o o o 8 8 g 8 o o pa o • <■> • I.) • o • o • o • o • o • O • o • C3 • o o V c 2 5°H o o o o o o o o o o o O o tv tM \o CM St t-t \o CM UN •-4 VO CM u> * « £ — • o • o • o • o • O • o • o 2 5ic O • c^ • o • () • o • o • tH • = ,- o o o o o o o e o>| k^ ex » c»\ o VO rt t- M ON|t^ o\ iH st^ a UN la- VO Ko St ON OO «v 5-5 • • • f-l • CM 9 • IH fH ^z <^ • f • CM • CM • CM • CM • rf • NO • u> • c^ • St • • (n o o o o o O o o 1 o o o o if^ vA K. «J A l^ #VJ- <^ d- I'- • UN • CM • CM •CM • CM VO * Jt • VO • tM • r • CM • CM • « UN o o o o o o VO • o E„ r-l CO « B J- • J^ • e»N o 3- • I-" o «-4 R NO • Si. 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O- ^ '"' ^ •i O §1 1^ o: 1- o^ 4 J £ S O o ■u u < I i ^ 5 :li. ^ ^_ 1 H- " |3 ^ O l«l o S i 1 Q - & , O _ o <-> • S 5 » -■'S E o. S 01 _ c ■"J ° S O t: n o o — Q r X. n n S '-' a> T-L T) ■t: c >,o a> ? c o O" .•^ ■o "^ o " b C F ■o ■a o E ■a c o in •• 3 o T3 o u ■o o o e F o m I a. kl F E o O CT A o c S -I « Q o < u. B-lllt i cr. iij I- < m U. q: Ij « <" . t- o en 2 Dig < z < ■o • •* » ^ o g- (fi < ■=> ■o E E i:"X. £z - a. o2 <-> 1 • E -, >«Q. 55 = <» H-° c ■0^ OE ^ u\ o r- «>o -.°- r^ r^ • o Z o. lo o£ OS CN cc CVJ o ■> rt Cl r^ O r> CJ X o °s ■"^ >-i .H r-t Per- cent Bod - 1 ium ^ H r-* Ov u\ \A \A -^ dis- solved solids in ppm s CO o r^ r^ OJ (V CM c 3 t> C o o O 8 o o -3- O -C O • O (T O o _0) o O _c fr. o*^ yo r^ CNl 1^1 ■-•I OJ <- "5 1 . OJ 55 |S LT. O-S — o ^* TJ% • o • O • o ^ — CM Cv CV r- CM ca o [^ CM ^?i' ^: o o Lr\ -f^ c eo . CM • MD . «-2 Qi -^ t-i <-\o CM O 3c> «» *^ c 1 "li p- -:? rH 3 IIS J CO "• ^- r-t CM • C o ' .-■ o o o O o • -^ ^ o o o o ^-O o S'H i o o o o o o o o c o -0 2 ill ', Ic: -o ^ r-- ■"- '^ c ITs c -^ ■% o »— CO o CV O Q- (5 E 0\ .-1 lA 0\ ^2 CO • m -:J • \r\ • •O f\J u\ CM lA CM •iT. CM 2 X? fn i-l ^ r-t Ov O r-i J • rH ^ . _^ • ;h ^ r-t o ^ o rH rH E_ O LTN u\ lo 3 (M PO r^ oo \r\ ■u-', • o • o'~' r-^ CM ^ CMM u I ^ ^ CM lA a. r^ (-^ r-' r~ * «»^ r^ ■o fn •O CM o C\ rH vO xr\ -rj \t\ (/) o E o o •o en 0) c -O > « 5" oS 0> M CO o E Q, a o. 9-u. £o «> 'd ?« o O O O C7\ o r- -=T J r-l ■^ n 5 O o CM fn CD S"" CN rH • E • '-' C D C^ 1 \A o .H I Os «-t >-t CM rH -t -^ •^ ^ "^ D u> r-l d CJ r-l l-t % » 5| ■So£ E D. -y — ■« «> c - tt o » •? o * .* ° 5 > E So o o ~ "> £ » ^ in i 5 w —T " o • ^ 3 E 3 ■o E •o E^ f o • o So Q. ^ x> ^ o u o o i. c 6 « E e o C « O CD o a- I a a> > ftt o S E E So o > X o "I Z CI 26 4 = J.i Sc3 iij 1- < _, CO g m 3 I- o ^ w ■=■ i2_ g - oO 520 1- Otj a ■ 1 ^ O. c -^ — t/) O P O 1 ^ s » tl » 3 ■ s s - g ° a, o 0, Q :t ■•- - o 2 E CL = E - 4) « O O (J 3 O O — o qj E c ; o ~ = o o C^ ITN w-\ O O ^ ir\ CN( irv 1 40 U\ O to ^ .^ c I 6 i = TJ w .E o a* E >. « _3 O T3 c *- - c " t E E <= £ ' 5 « ° ± Q O o ^ u B-116 I- < * § c a _l OT > 4 U. I- O V) UJ CO ^ • < =5 =3 =) =3 :3 E E - a. So 1° o « X o ^1 1 — 1 c Dis- solved solids in ppm c TOO vC J >£ tn c o o o ?o~ 5^ c o e » Q. O c o 'i « a. c » o '5 cr en rH 1 ^'i^ ill a. 1^5 a. 3 c « 3 in c o u o c ^1? s 1 w^i 5 oo 1 <4 ii2 O (n — a. E 11 lit E 13 o I Q. Specific conductance [micromhos at 25° C) vO u-v vO Oi C^ r- t^ t^ oj -* H H u\ lA N > • in K !5 o O O E Eo ^ S r^ g 1 T3 .11 CO p- VA o\ cr-tAoso lAC^■Ot«^o lO IrH 1^ lO O-ff •AO -O^ CO^ c6rH r-i rA dl-o k *= • ■" •fi « » ° 0> « o o o S. " o (n o D o T3 O F c CD 3 ■o fn o « o * I . o c o O T ■D o V o £> O c < c o o c c n • o O t ■o F F c E c o c « ex. w n ■o o o T) o O 0) ^- o •- F o CD X a 6 E 3 o c o 1 a> O o < 2 B-ll'' < < 5 s ■ UJ c (5 fl >- CO J Li. ^ O ^-• (n ^ UJ V} I:- >■ r_: « in t-- f ■ l/i m to 01 10 to CO t/l to V c_ S s a to in C3 to s to ^ 1^ < :=> •— 3 3 s 3 3 3 E E c fc- "^ d ^z ^H • • CM — a. •0 X c c \o o2 c^ oJ ^ ^ CM 5: t-~ s: i;-i CN L > ^ r-~ c^ 00 trv LTN c 5 -rn c^ (— ( c^ CM CM (-^ c C c ^ CM J- I-H MJ SS Za 5e J" i-H NO I-H -f C^ c^ CsJ irv VO VX> I S LTv LTN (> C^ C^ cn t^ VO UN irv UN C^ :c '6 CO CO ^ m VO VO LTV LfV CO \D VO 00 S£'3 f— ' 1— < »^ »— 1 r-H 1 — 1 i-H i—i I-H r-i 1—* «— t CLOO- _ -a in E O ' • t3 & C^ UN |: >- cij irv 00 ■2° S S c a) u* Lr>lo • ^ • 1 S o u— . • • 3-0 u. c e •> li. *" ,^-- ^ a. " c^ & r - oO -X c" • • VO • • i/i c •* z -z c f-H o a .'i --'■■ \D C~' r 1 -J- I-H ir\ CTN loo t^ I-H vO ^£1 '5 ^-, c>i -zT <-j J- -5 ir c CO CM C 1° J- IT C •*" • • • • • • • • • • • • • 1 • • • • 1^50 T CVJ c^c c C^ r.< .-( C^CT c^o CM CM CM - Ivo (VJ , '~ c « • - -c7 • • CM - ^s^ Z- r-l i-i-i 1 r\ In^ c 3 1 w^ go -: CM \0 ,"■ "N c- -lo 31 f ?I|c3 C^ CO rH CM VO • I^l-I f-H CM t--4rH CM.-H ?J3 ON C m^i -^ c^ u u \-) *~J o ' ~^'. ^ c 1° c «^ ' • • • • • • 1 • • • ■ • o ^-0 .:[ 00 C c o|o c u Tl — T«J — frH — CM 2 S£- ( CJ • • • • o> • • CC • • • • VO • • I-H • • - ?it .-H i-H c r- r CM CL ** 1" |l^ C^ c^ CM f^ lA IC\ J l-l ■ T^ — |o c^o . CC C-. CC CJN LTV zT ^E-^ \o -* CM I-H ON ?53 • • Q • • • • • • • • • • o_ c J1c> I'^C 0-^0 CM cn|o J- E_ 10 c C\! J- C^ c^ P ^ ^.■) -It t \ co 3- MO J- j^ ^ ;^ 0(j jt 1 - rj • • • • • « • • • J- • r~i lo ,-H C" V) C CO c CC CO r-H r-> lTN _;:^ J3- C^ C^ t-^ i-^ ;~v UN UN Csl I ** • • • • « • a • • • • r-^ r^ r- r^ t^ 1^ C~~ f~~ t^ I^ f-- 1^ ■E^eS, ITS CM • • CC CM • • LTV t^ CN VO UN I^ ^SS~ CA CN V J>~ CO :^ J- CA CM CM l-f CO r-l r-t r-^ I-H f-H 1—* tt c r ^ en 5 e o T> SO ON CnJ ON NO ST (JV CTV (TV CM VO CTN ON LTN ON > V 5^ 1— 1 I-H i-H C^ CM jt VO I-H f^ UN E • • ""• • • • • • • • o 0. Q. C^ CTN OM ^^ r^ CTN (— I l-< rH <-- f-H I-H <-l i-H = ^ r^ s 1 , ir\ J- J- 00 VO r-* tv. c-% UN Eo c<^ L s \r\ VO VO r^ r-~ <^ tTN LfN -3- c . t^ 2 d CM c M) I-H crv CO o — Lr^ c C^ t^ VO 00 C^, eg CO ^-^ c^ CC CO VO I-H CM ON C^ c^ o s. c • r-H O T) CM CM c^ QJ E • f- J LTS c^ r■^ C I \ uv c uv VO trv CM ,-* CM o " <* U - rH C-\ <-l c^ n-' Q? CD C ' vo LTV I-H I-H CO r- ON r^ -^J" \,o *^ ^v.UN QT> E '^^ cr\ ^\ ^-^ ( N ^-^ c^ -^ C:n ^^CO ^00 ^ ,00 ~^co CJN rH ON C^4 CO CO o •< ^ nH CM .-H c'--. C -rr irv VO C c-^o C: cvo ,-H ^ C r-i 10 o • ^ 2 ^ i U ; o • — *E E s: " -IS fc "5 o O (1 l« O (J « ^^: lis • c • 1: 3 ,^ u ? - a. • < u • > 0^ « M U *£ to = f » ^ • -5 ■0 --r " o • ^ 3 o - - - - .o- £ I ' I ? i >, u: e E i = - ^ a o -COOK « c « * E ° m 2 2 • o 2 c S -I • 4 3 C B-118 a: < 5 o CO u. o llJ w >- ■« • "1 ] ^ ■T 1 < 13 13 :3 =3 A 1 1 :3 ID -J 3 'J :3 5I El »: \ ^z ~ a. o2 " 1 1 E J. >>tt 5^-a K^ c • -T oe rA CA CM ^ rH rH r-i mO ,0. rH «u Z a. = ■So 5E CO OD rH CD rH 33 •0 J ^ sO CD CO OD r^ On CM I o VTN r— lA lA f^ CM CM J fA rA fA CA CA CA CM CA il^i rH lA U> LA SO sO u\ J^ CM rH rH rH rH >-* r-i rH l-i t-A 0.0°- Totol Dis- solved solids in pom 0\ :4 CO 00 CO g S CM C^ CM g ;g CM CM s ay lA 3 C « 3 Oi C O tfl ."^Koi s °..\ c ol O £-). O'J^ ^O wJG c c o oS (D c o e , O ffl^ 3-0 u. E « li- "^ "o 1 1 •'n >-H lA -3 r^ JS r- (>s H ICM 'S CM hA J' KC CO 9 lis ii CM -o \A vOp r^ -3 r- -o CO so 3^ cA r— \0 r- lA r^ \A [^ .J3 Lfs CO -0 3 r- • • t- • -3 • rrv. n^ . r^\ . -3 • .a • -3 • -3 • -3 • ^ CM -3 LA sO -3 CM -^ sO CA sO fA M • iH • rH • rH • rH • •r* ■ * r-i • o'"' o\lo 00 CO OS CO 0^ OS ON t-- r- v< CO r-i CO CO o\ -3 CM _3 rH .3 r- -3 -3 X a • ■0 C-- ^O r- c^ C— f^ t^ r-- r- c- r^ r- « «^ ^i|o" O. c - — 0\ CO r4 CA CO Os -3 CA lA t^ H \A Ov **> • [^ so rH \A p^ -3 H • CO • sO CO CM r-\ r- « C ^0 > ® 0^ oS V> M E (A o b 0, a. au. 6o 1=5 « 4> - >» ^ rt CO 8 lA CO s -3 CM S -3 1 -3 CM -3 •* 1 c s \A CO r- r- 1 1 CM > <^ t-- f— XA sO O -< J CM rA H ;^ CA fH .11 VA CO CO i-H r-i t^ r-\ r\ CM CM r^ 5 CM CA r-i CM CA r: — a u\ SO CO rr\ 3D CM t J> CM lA X> fA 1 1 rH 1 1 1 " c o O U) 1 t 1 rH 1 ^ 1 ■i 1 OS J \A r-i CM 1 rH d ON CM CM ^^ "^ "^ ^^ •^ ■^ ■\ ^ ^s. "-. ■^ "-^ "•^ r-t r-l CM CM CM CM r^ CA r?r J -3 VA \A l-'N ■LA » o « s* • •2 ii c a « « 5|0 * n HS £ 5 » (A y I n » « 3 • ^ a ^ C C • o • O TJ £ 1- o - 5 ^ E 2 ' I I I « C m go™ i Q O < 5 l^ B-119 UJ M ^ o m ll. J*^ CC UJ -I ID > u. o CO LU ID 13 =3 rj :ii ^ 13 :d r> 3) e e i;\ ^2 — a o2 o 1 I E b^s K^ c in "^ 0>O "1 za r^ CO rH m CM OE CO § X) ^ Ov CM fn NO CM ■0 CA rH u-\ l-TN S r- 3 CJn CO On On On ON ;1 ON CJN LA tf> c 3 C (U o CM CM d d r-i £ O rH C ^ a-^ ^O OnI ^1 HI rHl inJG c m H -3 c CD c o o d i T3 8 s E a U- *'~~' -P d d v '3 rH CM Q. « 1 i? "* - oO ■^ H • " c z -z -:=:;■ d d r-i O a > CN On 3 o- o «> — '^ fA CM ^■50 +> a> u •"" CO rA d rA ;-j 3 CC c ^li CO r-t -3- vO rH • • CO w 1 "'in E-H hO CVJ r- H 3D CM 8 CO rH CO OO rH rH LA rH IrH 9 3 C «: -o iS"^ CM ^ CO CM r-i CO CM f^ CO CM -3 m CA CA rH .^ CM -a- CM CM rH J- • • On . [^ • CM • r— • 13 • f- • CO • CO • CO • r- • [-- • r- • CA . a i-H rH H rH rH CO r-i H H H rH rH r-t r-i IrH rH CM o Is? c3 8 8 8 8 8 8 8 8 8 8 8 8 8 8 o S°B "• • • • • • . • • • • • • • ■ x: C' a> ^ c S 2 °ii tL- LA NO H m — Q- r^ d CM d E m Lf. CM -=1 lA r-i lA ^lA nO fA CO • • r-f • f^ f'^ NO ■0 lA rH -0 a lA nO MD nO nO -3 G 5 e 15 f^ G Lr\ Q \A \A LA UA lA -J q u^ C\J r-l CM • ON CN CM -0 CM M CM • 7?^ VA r— lA r- lA C~- r-i • ;3^ nO xj rH • ;3^ d^ 7?^ [^ rA CM • 0" x> ^ d r-\ rH X o. CO Cn J CM f^ cn nO r^ r-i -^ r-i -^ lA ON ••-O --0 r^ r- ^ r- r— C^ ^ CO ■^ C~- ■^ ■^ r- r— « w^ o y oo - -; t in rH _3 CM r— CM ^ OS r- NO CM CM rA LA nO CC' On CO :S H ° ^ ^ ;3 LA lA •-* s fA H tn o c ^0 > » 5^ o£ ss E b Q. 0. Q.U. Eo ,?.£ a> c ^ Q) 1" Is ^ S g ^ S s. 8 CM H s s S = Q ^ i^ ■0 CM H 7? s CO t^ ~o o CO C?x CM CO CM On CM o 5 .11 c~- CC OJ R r-^ 1^ fxl r-i LA R r- ^ CO i-r\ f— rH 1 1 rr\ r^ r-i 1 i-i 1 1 1 On r4 1 I CO rH CO CM r-( _3 lA 1 rH ;? CM CM l-^ c*- 1 -0 ^ < ■n \ ■^ ^-^ ^ ^v. ^. -0 nO ■D r- t— OD 33 -0 o\ On ON On H rH - Q q> Q a. •- 5o" o (J tn * I i o - r c 0. 3 - n e < c C3 c ■0 t •0 F ■n F E Oi * ,, ■0 „- 5 F E it:. 6 4) 2 B-120 111 t- < 5 o (T. m < LlI CO < < T» • »■ 3 1 '-1 '-2 ■1 ■s^ •^ ^ '3 '0 ■1 :^ < 3 o -J :o Z> :3 3 ID ra o ID El *- \ S^ — a OS o 1 1 E 1 J. >*a S^-a K^ c ^' O rH o sO O o -J _., CM CM -J z a ■"* 26 X) 3 CM CM -3 rr\ vO A» CM H o S " -3 lA r- O r^ lA »A. -3 J I o rH il^i r-l CN -H ^ 0\ O r-i -i r-i ;g lA rH a-og- - .^"E o r^ ^O » rH J o J X3 r) H 1 = 1? g-o •^° S 2.E" Ov r--* On rH o On 6o r- sO NO •~l rH r^ tf> "c 3 ^ C O r-i O s o H o o o O • o o o o O O ^ ^ ^ ^ £ O'ri yo ^ 1 » 1 O] u>| ■ol cmI -H 1 rH 1 rHi rH 1 rHi rHi wJ2 c o„ 8 H C O o 8 8 c *-tD o ori O o o o d O C o E o »^ o S o 8 o 3 o S o 8 2^\i. • E €> u. ^''~' -3 o d o o o O o o o O « a. o M r-i o o CM cn a. 0) c 1 5^ i oO CO O o o lA O o o o H CO rH O O '5 o •■=■ CO -S2 CO rH r^ O vO o rH f^ rH • o \j\ d P- rH r^ d c 1^5 3 ^S a=S CN -^ o « • ojd ^52 O o J o CO C -:? d ^ 6 ^ c lA O ^ 1— 1 c 1 •'^ m CO CO i-i OS lA J lA m8 p- CM • 5 °o Sgo E- fn o r^ OS MD O O c^ On OJ CO O On -O OO oC lAlA J^ 3 «< -o • C\J • -D . :^ • \A • r^» • lA • O • r^ • rH i-i r-i rH ^ rH r-i O O O r-i O o o fi^i S 1 g 5°S 2i 8 8 8 s a o 8 8 8 8 8 8 6 3:: O - o • O • o • o • O • O • O • o • O • O • D O o O o o o o o o O O 5 o fU. hi s -=S VA _;r _:J Ur r^ 6u \J\ o OD O -=r o lA O o o r^ O O (O — -H O •H O H d H O rH O rH O Q. 1- X) CM rH 0\ cvj CM O w CM O CM rH CO OJ MD 8 M -1^ =o CM r-l On rH •^1 II • • • • -^ O -3 O UN O lA O -3 d -::: O rA O r^ O -J O CM O A o tn H Cyv o -^ O^ vO OS CTn B ^ so Ie^ O -:? ^O t^ c^ 3 MD lA o _:? (^ U> CM OpJ ~=t ^ 3 -^ '7 • * • ?-= ir> O OS o -J- o vO O vO o J o r^ o o o \A O lA O ~=t o o «>~^ S E„ 5^ llA o I>:^ o o O (*% l^ Q 3D »:3 rH LA -^ CM c~\ O cr? CK ^O CO O lA t^ -zr ;^P: CM <0 MD r^ OO r-i • C\J rH • rH • H • ■-1 . • • • • o"^ O rH O o o o CO o lo O r- O CO O O ^ *-< CNJ -3 CM -3 rH H H On P- On (^ X o. r- r— r- r~ r- r^ C^ nO -d so NO « M^ o goo o\ lA -3 O c^ ^ lA rH rH o SO lA ::! r-i CVJ >- r-t \A rH On d OD OS Q. C - •- (/> o E O o TJ (n c c ^o > « 5" o >! V> tt E V) o a (5 Q. ?u. Eo ►?s « o< ^ n: Q P- O <; -1 • E^ r^ -3 C- rH (^ o On rH H CM 1 1 1 CM a rH 1 1 r-i 1 t Si! p- u\ x» lA Ov 1 u\ O OD 1 T") O \A rH rH CM CM rH H r-i r-i r-i rH CM ?J ^v •^ ■^"^ ^^ ^^ ■^ ^^ ^^ •^ c o O 10 i-l 3 3 3 ^ d rH r-i d CM rH OJ r-( CM r-H k c • ■ "- O o O U 3 CX 3 u « C a O 3 F o o Wl — Q. O Z) J o * T a 3 o * Q. o ^ o — ' ° 3 I I I i 1 ? • o « o S " E S«x t E E s « ° i O O ^ E -■ O ^ U T] «l «- B-121 a: I- < , , o A -J CO S UJ t- to z ij " < < ^ W tn lO m w w t/1 Ul w C/1 in m M «, tf s s ^ 9 o to s V5 < = 3 D 9 => 3 o = D "" s G 6 5cm • o • CM S"^ •r* • K O C \C ^ z ■O NO C . o o O o • • * o o o t> J- o » 3 Jl- O a. k u o o — JJ- NOl ^O fM "•I trt^ c (N 04 l/> O o i-t «-* o jt C o o^ O o o o o »H o o rH o o o2 • • ■ • • • • • • • o i m o o o o c o o o o o o , o o o O — 5-sc: • o • o e V o. li. ^^ «-4 o • o o • o <^i^ • r-t o cnio << • o • o o a c ki o > ±11 o • o o • o ej \o ir\ C*l « \o CM tv o CM CM o^len ONJen 0^ <- O ^£> 3 ° ?p. w t^ pg \D o C" f^ ^o vi> (H NO o NO •-( NO rH U^ION J- *X> ogO > • • • • • • • • • • • ^ ■6^5 rH r-( o O o • »-H »H r-t i-i o o f c o 1 o o o o o" » 8 O o o o o 4)"^ CC o o o o o J^ o o o o o a — o UJ O • O • o • o • o • o o • o • O • o • O • o • "oo s c o o o o t. O o o o o o « o — O Xi s III i-H • o • O • CM o • CM O \D CM ♦ O 9 tN. • s O « — r^ • O • o • o • o • •p r-l • a. o o o o o 8 o E ff^rl OO i-l ir r^ CM J- VC »-* o CM UNO CM o^ J- On O^ r^ CM J- ?o • Ol • o* • f-t • rH • 1-^ « • CM • CM • CM • r^ • Csl • r^ ^Z J- • J- • N • C»^ • CM • .H LT • J- • US • s J- • J- • C" • t/1 o o o O o a fa o o o o o o , N r- ii- t^ N CN k'-cm o E o •g CM OO o CM r-4 o O o OO ON O C^ ■o (/) O o CM O O o o o ON ON o O at c > » s? f^ r-t (-H #-t rH rH f-4 l-« I-H t~t 1 P3 C3 ~~m ■9 J ffN i-l en «M ir. lA ^ S ! E • • • • • • • • • • • • .5 o a. J* r^ CM (-1 O ej\ J* -d- ITS U\ \o NO Ni; NO UN J± o o O o o o CM O CO CM 1 o LfN CO O o NO o UN J- o o UN CM ejN o en NO c " «^ ITN \D J3- CM CM CM en CNI r^ « ^ C^ 6 w-\ .11 t^ ^ CM CM o U" o ^ O UN c^ O CM O O O r-l O o CM O Si) ITS CM UN rH O CM O ^il < -* .-t CM »-t C^ ^ ^ ^ lf\ o rv •-> OO *-» CTN rt f^ r^ rH rH r-* r-l a. ~ o » E 19 ^ ^ 5 >. to ♦- o 3 h a • o E 5& . As • c • ^ i: o a. o o _ r o o >;, - O m u "5 < ■o • > « M o •£ *• en = t m fe • 3x T> . O c •* >> A • r 5 c o o * T> F ^ e^ ^ E 3 O • c o So a. V u o o ^- • C E ^£ X E o o C • > ? c 15 • o o < Z . -o • •- B-122 I u h- < $ z UI o o A ^ s q: UJ 1 to a li. o > CO 10 > g ? to to to to t/1 U5 to to S to « ts to s O to s to s^ n = 3 = 3 o = 3 4 ■o II . 8 • C^N •a rH H O C CM o5 • ^^: •rl • E O V ^ Oi UN J- OO OO UN lf\ J3- 5?r tt t-l • • t/N t- -o c o o •1^ u6 zS O o O o o O o 1^ 1° oe OO NO OO tv CM r^ NO CM I s 3s m <^ J- oc rH #>H ON NO l/N ON ta ea CM (^ a « tw l-H i-t »H CM CM C*4 CM o.^SS^ r\ •^"ssl' ao v£ NO f-H r^ ^ O c ^ 4 3 4 " < ^ C UN UN O s o l-H • • ^ • o o V o ■^ J- O • o o X a. CL ?5 z o o UN •H cc t/N o OO o o r^ USO o « s- UN OO J* CM NO O iH fv E • • • • • • • • 6 a •o -v TJ o ON QO t^ t^ CO ON ON •o a c c c l-H c n T 3 3 Co S 2 1 «~» ON o ir\ ON CM CM ^ o 5 (2 ? * > Jt J- NO vi> UN ^ ir\ > R 1 P ft 9 2 c g (5 CM O l-H O • 2t>E CO o > C ^ u <-l J- On UN l-H C4 <-! r\ IH rt ■^ o ^^ C^ o r- < « •> at -V, O ■\co \oo ^.oo ^ ON \ON o o *H UN • o •» -> Ot X J- ^ UNO NO O t^ o OO O CTN O i^ l-H i-H I-l Q IS it o|0 ° » % f s O 1 ? « I t •o » a. : o o » « S i * o - y. . o 1 o ^ S p • .-^s t> (J o o M Eta " c o S tf , ^ 5» lis s • « U N ^ B S o g l» C X M-" • c o 9 E 'Z a S ^ a o P •t (D £ • •£ • o ^ o rf N O 3 O U >> "^5 4 ■o • • > « M o •£ r > A « 2 <» c o 9 ."^ O ij « r • ■w F T) e a » E o • o :i5 a _2 x> T» o it. ^- m c E ^iS I E a o t> c o O s OS c c 3 B-123 cr UJ H < A to m < I- 10 >- < z < T> 5,' g 3 53 W) S 5? 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OO OO ON OO UN t-^ CO t-N CO t^ onJX^ o r^ ^"S • iH <-H f-l • o • o o • o • o I-* • I-l • I-l • r-l = 1 (ft c^ • eg « ^ • CM • f-H • t-^ i-l • r-t • c> • c^ • en • • O o o o o o o o o o o O ?63 ?I5 f^ « ON f^ o o CM CM t-i iH ON t-~ NO UN • • o • o • o « O • o • o O « o c o o • o o • 3 o ;o o o o o o E OO l^ CO ^ \£i CO CM ^o ON La- -3- CM o UN 3'^ • r-\ CM CM • r-l i-i • i-H • en «o v^ • Jlr • Lr> C^ CM • CM • t^ • O o o o o o o # o ON rH o NO VO c~~ CM u^ I o en « «4 • • • • • • « • • • • a ^^ t^ V£> t^ 1^ NO VO NO r^ c^ K tv. t^ C4 NO • • o NO • • • VO • • o CO* -3- • UN o -d- J* c^ M ■H M M NO NO UN UN Q. c y ^ Wl 3 £ O *. T» O C^ vo oc ON CN CM J^ t^ cn r-t en « c 3? O o ON CO OO CTN f^ CTN cr\ O OO > « (H r-i t-t ss E ^ CO t^ ^ o * o 5 !"& fc "S o O u I** " * t a £ ? |g| S. tn f lai g f a o • i (D S £ o • t E E ± o t3 ! 3 ^ -D S " «' o I ? ."^ e c 5° - = ^ o o -o o o » • c • * E o ID ^ ■= "5 w o- < 2 C B-130 ) IB UJ < ^ I 3 ►- tf) -I I m t- o UJ S V 1^ Ul t/1 Ui to to lO U5 V) (O (O V) (O u u o a (3 CO O o o o o ^ < 10 tn m to to 1/) Vt to lO ■J> CO = = 3 3 3 =5 => => s 3 3 3 £ E c Son 5 8 • C ON «4 « ^ 0- •O CM X o K ^ o2 • % w> E o ' *• "O a ON NO ^"lll'" NO e^ ^H *^ o^ ^ O •fo O • o • « ft> o o o ? 3 • On C ••rM w o liNj < o o t I-l *-l O rM CM u • o • o • • o o o o o o x> * -J- «-• o •> c -< a. a. a. h. ^M ?o~ o CM r^ r-l uiS c iff) ^ O o % O O € SI O o O o O o SI ^ O^ o o o o o!^ • • • • • • • • • • • • c o E (D • n o o o o o o o o o o o W^ CM «-l o o D-OU. 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CM oo CM f-« CM o CM NO NO I-l O o NO 'S c E-S • r-i • UN • I-l • CN • CM • o • ?2S CM • NO »H » CN • CM • o « o • 1 — o o o o o o o £„ CSI VO tV UN OO ^ NO oo I-l UN ON d- J- t^ ,^ ° • c^ r-4 OU • CN • rN rH UN • CM • CM ^U fv • • NO • tv • • J- • UN • o o o o o o o o i-l c^ CNl' C^ ON I-l I-l On ON UN UN C^ X %4 a. • • • • • • • • • • * ^^ t^ l^ IV IN, t^ t^ \o NO IN^ tNN (^ J- UN ON C^ t^ UN • • • • • • U " Ojy, J- p^ o o o o o NO CM ON CM ON a c - •- t/) o C O t^ ON NO oo I-l 3- ^ C*N J- UN rM CM CM IN~ fH o ^ y^ rM oo O^. NO o ON J-^ CM UN OC II to S9 ON O oo ON ON o On ON ON OO oo rH rM t<\ t^ ON oo ^ o OO O NO UN rN CM Wl o E • • • • • • • • • 6 a f-t ON o oc On ON ON ON OO CO OO On 1 ^< fH is- ^ C^ J- o CM NO CM r^ oo tN« oo l^ ^ E UN UN NO NO NO NO NO NO NO UN UN u CO 1^ O CM #H UN UN UN UN o UN C^ ?« \D C^ f^ tN, ON f UN t~- CO CNI ON CM o ■^ r\ r-t ^*3 I-l r-l UN r" "^ CM UN c* "^ p-< tfN J* f^ CNI \.cO o o 2& CM O o •» i-l r-» tNl O C^ i-( J- o UN O NO o fN r-l CO o ON O rM rM fH iH * a < -I « I 5° ^5 ^1 o ■: 5. a • — "E T) o E^S • cf E ^9 E H O & 3 O. *- o *. u m c i-C o • o n o ^ ^- ° o < c ^ S O O ff c E o • ^ '•X _3 ^ ^ ° -o u tu ill .i D O O ifi 6* . 3 - ° ll§. S lo'r £ a o o -^ - >.o • S ■" I? o S ? ° S o ic • - ^ u o ■o o o >* • c « * E om ^ — o 9 a E E i -" • 19 < 3 C B-131 < 5 A u o ( 1 »-t 2 (£ g -) >- (n u J h. J O > LlJ CO e- < z < ■« O m u w C/1 to « w I/) lO to to ji a) cs o e o a ca u o a o u o ? 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'"'~' o ° 1 i!"^ § c^ • o o CN • CM O r c - oO Q o • o f-i O o a > P- << '5 J ^^ CM c^ J- CM c^ u> rH CM t-^ o O r-i C^ \o UN cc CM o C^ O ^D 1 CT Pb • O • o • o • O • o • O O • O • O • o O V ill o • i-H • 1-1 • o • o • o • t-i « iH • o • r-t • CM • U o o o o o o o o o o o o z t~i o CM • •'tr 3 tr> Lr\ • o c 3o° 5 • c I-H ~ w°ia J CM • o <■ M o UJ c 1 •'?) a^ cH O c^ ^ c^ rH J- I-H J- J- cr^ \D ^.D C^ f* \D \£) CO o ^to 1 3 o?0 CC t~\ C^ CM c^ C-J J- CM c^ CM c^ rH CM rH CM r^ CM i-C (N r-t o-\ i-i CM g • • • • • • • • « • C o o o o o o o O o O o o o 1 a; o o o o o o O o "o o o o O O O o o o o O o 7q 45 C^i r-i <^^ VD CM OO CM 2 o •.— • o • o • o • o • o • O • o o • o • O • o • .—1 • O • o • o o o o o o o E \£) t~^ .-1 c^ CM O (M o LTn ,-i ^& ^' o O ON r^ f^ o cr\ CO (X: II 01 • C • r-* • i-H • t-t • l-t • I-* • o c • c • o r-\ • cn • CM • CM • CM • 1-* • CM • CM • rH • CM • I-H • o o o o o o o o o o o ON f-^ r- ^ CTN r-^ O o J- c-\ o o r-i I-* o • • o • o • o • o • c O • c • O o • o • o • O • o o o o c o 1 o -* CM ,^ =t OD ON CM ^o o LTN OO CTn CM NO ^5 o • CM • CN • eg • CM • CM • f~* • r-i J- • -3- • LT • LP • LTN • c^ • C*^ J* o o P o o •c o -» ON ON iH in CM 1^ CTn CM O ON CN i ^ • • • • • • • • VD \C 1^ t^ X^ NO \D r^ 1^ VJ3 C^ opSo pi" tft S E o oS J- u\ OO ir\ NA ao • 9> • UN r-< CTN • ^ • i i • eo M ^ • ON C^ CN ^ 'O o in VD CM r-t a\ t>~ CM CTN UN o LTN O V c s? a\ »-4 o (TV CO cr\ G.. 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E £ o o o ioi ii: s^f S "^ -D c ■ >.ii £ o o c ^ 1 6^^ • 1 tl!s • E E 5 o ^ 8 n°s < •• B-132 r DC < CO o UJ (/) z < ■rt t," CO l/> 10 u^ i/i (/) (/I 10 en CO w m 1- < en S s ^ s o 10 ^ o to 5^ => 3 => n o 3 r> 3 t2 s => E E c 05 • o • °2 5 o X o c en -O CN d o ■rt • o 2 V CVJ S^ * i: eM u z: t^ , , ^E o S'^rS ir\ O J- Lr> t^ UN UN o r-4 o o o >-" c Lr\ J- OO Csl NO I-H c^ cn fH JT m » "lot o o J- I-H o o o o o o O o So a • o Z a C n I— — ?3 OE iS o5 CN v^ VO IT' UN UN OO o o CN o CM r^ r^ OO \C ND v£) NO t^ (^ f^ ND \D il^l ft tt; c^ t^ ND r-H I-H CM vo J3- t-~ CO .rsl- c^ CM C*N CM c^ C^ CN c^ en C^ CM CM J- CO rH - ' » " a..D c^ CM -=t °° 2 S.€ i-H I-H rH CO t^ \o o O r-i • • • 1 o o <° - 3 * c I-H ^ o CsJ << c o UN o J5 I- I-H CM CM • I-H CSJ • ON] r-t • • O • o • O o o o o J- -3- o »-H o « o ® Eb < a. b. a- &. 2"^ 1-^ SI ^1 .;i^ c* cmI c en r^ OO JJ NO ts O OO UN t^ NO r-t c r- 1 o r-i c c^ r-t O o f-H I-H O O o oS • • • 1 • • • • • • « • o E (D "sl O o o c o o o o c O o o i o — •H CN r-t I-H f-H C^CM 3-Oli. • O • o • O E c • o • o • o. ^ ^ o o o ^ V c ill I-H • CM O • NO • o I-H o • ND • o r-t O • f- o o O o a o e: 5 o LTV t~t 1— I N£) LTN Lf i-H o CC o OO I-H NO f-H rH CM J- c^ c-^ o L:r ? 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E F - o e» tt i Q (3 ? • o 2 as C B-133 oc llJ ^ - -I u m li. d y- o > LU (/) F- V «s .J u < u ^ «> ** « CO U5 00 CO CO CO tA w CO CO CO CO o O o o o o C5 C5 o a o o 2 -o w Ul CO CO CO to W CO CO CO •J~i m < :=) 3 » 3 3 s ^ =D 3 s ^ ^ §o • o • - Q. 5^ •H cn X o E cn -V CN aj O ■n CN 0) s: -^ y" • S t^ e ITN J- o o o o O LTn o o - o LTv K^ c rH CM CM r< rH r-H CN . r-i CM CN CN ^ oE -3- CN UN J- CO lf\ J- O o LP. V3 ON zS CN C^ CM i-i r^ I-H CN C o ■z° o£ is 3s LP- J- OO ND ND r\ CN LfN CO Jit t\ o ^^ ON St J- liN r"~. CO t^ NC f^ Ln CC -^il C^ rH t-^ LTN a,. CO -3- J3- CTN NC f-\ ON aSl^ OA C^ CM CM CM (N O-N cn ON CN en CN _ T. „6 |2'5 o o ^ S ND OO rH O O i-i r-* rH rH rH VD J- CM •• O • O • o c 3^ O « o tf o rH c < tNj •< c cn O J3- UN o o o O rH CM iH rH #-H CM rH ■^ • • • O . O o • O o o O O • • o • £ o o o o » a> o J- j3- O &, b. &. b. O 3 cu o s o o a. fc 0*5, VD O OO CO cr> rH CM rH »-4 rH i^^ _,.-,_ c ^ CN CM o o O OO o CO CM CN o o ^ o. rH o o o o o O c O o c o o • • « • • • • • • • • o E id""' ^ O o o o o o .CX o _o o o o O it-^ 1 CM rH CM rH c^ CM r-\ r~i o O 5-Ou. • O • O • O O • O E u. *" ^^ o • o • o ' • o • o • a tn o o o ^o o ' S^ — cr u J tr u\ r^ rH >^ ?^ ^ 4)'^ o • rH • o • o • C • o - oO 2 -Z 2 ^ CN • CM • c • rH • c o > - ? O o o o o CiJ "5 E- CN o CM OO VJ5 Cr\ rH rH CO rH 1-1 f-i CN O CM CM O MD CN CN t^M) CC ON c «56 C ON J- rH CM t^ r^ Cr\ i-K \S\ 1-H C^ O" ON CM ^C CM UN CN \0 CN t^ Csl C^ E- • • • • • • • • • • • • <: o rH o o o O O O o o o o X 1 y r-i r^ C^f^ M3 o CO CN \D CC ^=ii o rH CN iH CM • CN • *-H • rH c J • a> • LT • tx- • •i to o O o O o o FT C.J J- rH c^ t^ tH J- CO LTv J- ^ C^ ^i> C'^ CM "ON v5" CN ab (S o„ CN CN O) 1 £ rt t- m: o t^ CM u^ OD IS- CO tr CTN C" ir\ CC en ON LCN CO ON r-. ^ Lncc \o o 3 5 ^"^ ■< • • • • • • • • • ogO E- l~^ rH O o O o 1— ( rH rH rH o r-^ •» O t o o o O o o o o o o O o o o O O o o o o o o O o o i3 — O U o O o o o o o O o o o o J • • • • • • • • • • ♦ o rou t- o o o o o o o o o o c o O ^r t-> • c o t— 1 ^ -^ c^ Cr\ J- J- c^ C-N rH c^ CN c^ o> CN o UN 5 •• E — o • o • o • o • O • O • o 3 3^ rH • rH • rH • • rH • o • CM • o o o c c o o E t-4-3- O t~^ CM CN CM rH O s CN r^ a> en CO UC VO o CN CN o. 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O rH a. «« "li yo vol '^l (iiSG f^l J-1 c o o CM o o oo v^ c o c o o • o o « O • o • o o • o o • o O « o E , ■ • < JO o o o O w a. • o o • o w» *'^ s CM • o o CM • o o ^ c ill •«: 3 e- O" (rt CM (^ oo CM o OO ir a- C" ^C \D UN CM On lis < • o O • o • o • o • o • O K t-\ • o o^ • rH • ■CM • ft • C^ • o B o o o o o o O > ^/^ ir\ o o" ' "Z? o • o • o c 30^ 03 (N- • o • w-i2 OO ON J- s ^ J- ir s? s= ON ON oo ir UN ON 0^ U> S^ S3 • • • • • • c c o .-t 6 o o o 1 Q o o O o )° o" o c -^ •^ o o o o o o o «^ o o o • o • o • o • o • O • — J o o o o o o o D ~i o • c U o — sr 2 o <^ oo CM o \x\ oo UN • o . • o o • CM o • « o • a. o o o o E CNtCO rH cc (T- c^ 1^ CM OKo IS UN VO o = 'S • r-( • *-t • J- • CM • CM • CM • CM 11 in J- • -3- • a> • ir> • ND • u- • -3- • O o o o O o o l|i' CN| <0 CM oc »-t CNl VC o • CM • f-4 • J- • c*N (^ • CM • u> • cr> • 1"- o o o o E »-t UN O o p^ ITN OOL* 3*0 r-t ON t-t l/N «H •^ • 3- 0^ • OO • o o o o O I *< UN iTN J- UN VD r-i UN • • • • • • • a. r^ *-- t^ ^- IN, OO t>^ »~S^:^ o " ou C Sfo \£\ ITv t^ & c - * W 5 E o • • • U^ oc o S; r-* o O (7^ CO ir\ O o o i-* 1^ r^ r^ ^ ON J- ON rN o CM O NO rH « c .0 ON ON ON Ov r^ f-* > « 0^ ■o ■o ■o ♦» T3 — c — ~~c< Ji ~i O rv CM uu L IZ w w E 3 3 3 • « • • • • • o 3 .5 o 2 o o -1 o o o o O CM a. o O a ^ « I-t .-1 I-* r^ I-* r^ r^ « Jl > > I" t. 1 Eo lis D c c c O C*J \c Jt o o CM o c U) w « ir\ \£\ UN UN \o so UN z in f- 5 5 o O J- o UN o rH o J- o O •H rH 6 © 1 • t> • • , o u^ o OO UN NO O C^ ITS •1 o OO O • • Ke CO O « c f (. 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OO ?^ £ 8 9. 8 O o o CN CM $^ °Tj fv. t^ v: \e> ON t^ CM • S rH •-H UN O CM Lr\ o o o \o o rH UN CM UN OO rH O S •" '^ \ 0\jT CsJ o Cvj LP* 1-4 i-i ,-i ^ »-H rH rH CM t^rH Csl ON ^ O ^ UN ^ J- o^ e ^^\D \cg ^r^ ^VD ^ ITN •^ O ^UN ^ UN ■\ o O ON I-i rH CM CM CO o •» r-i r^ CM •-» c^ o J- rH UN^ V£ rH f^ r-i CC r-i ON I-i I-i o l-t I-H r-i I-i IL 9 « * I u 6g . o ^ si • — "E 6 |9 1^3 * * t a f > III 111 EEC o P i (D £ o m O i:f 4 o o -J • N u r « r f a • h • Sx- TJ . o e •' ?^ s g 5 i "o c 3 ■o F "O e^ « E « • •o o c o if, • 5 E I b o O CD Z o. c o • o J e < s 1 B-136 A < Ld (J CO ID iij w z < a >- U -J .J s TJ C W to ITi t/1 CO to I/) CO JK* O o o o o o a C3 a CS o o O S" to w w CO y) Ul 1/} w U) u> (O V) 4 3 t^ :=) 3 3 s =) s 3 s :d E E § • o • J; V. •H X o C c^ °Z ■a s: CM s^ £ I-^ ^:i-4 o ^i-t CM CM \o C^ ir\ rH rN Crs UN f- r-l l/N m ^ oE O o o o O O O O "o o - a o *>o a • o Z"^ c o £E o x^ r-* ir\ On t^ J- VO CM t^ (TN NX) xo ^s CO i^ Jt ITS J- t-t \o VC NO UN OO r^ ii=l J3- J3- CM C^ CM CM .a- r-l J- s ^ J- aoS- _ -o ^e 2"SI^ OO s> ^Q S S.c rH r-l f^ o O • c o « O 3 c rH « N» < Ml in o o CX3 rH ^ csl rH r-l O • O • O O • o • o • • V o o o o £ Jj- J- O r-t o e a. b o a. s\ ^ O o CM U^ i-t O o o rH J- ^J u o^ o o r-t o o o o o O CM o o c 55 C4 • • • • • • • • • • • • c o E IS c- o o O o o o o o o O o o • csl rH o o £ 3-OlL ^ ^ • o o * • o o . « li- ""^ ^ o o V a> c^ o CTv o. trt 1 ^"^ z • o • o * 'c ill O in (-( « o csl • O 5 o > y, 1— 1 '5 a- > o> J- CO .-H cc .H o CC ir> J- r^ O CM csl r-t • • CC • o • • • • • • • o PC O c c o o o o o o o O O u oc o NO o ' f"^ "^ • t-i • r>4 c 3B° J- • crs • <^°!£ ac o o - ^ f ^^ c 1 •-« a CN NJD J- C^ r^t\ CM J- CT> ON J- cr\ Csl t^ SsO J- CTN CM CM rH CO so J- SI^ % 5"o .-t CM o UN x; CC C^ t-v CM CM o rH • rH • • • r-i • r-t • • • rH • 1^ • c Q CM C-J c •-t r-i o t~^ rH r-l I-l CM CM 1 CJ O o O o o o o o O C O o O O O o & o o "S~ O "C o o o £ - '^ a: c c o o O o CD o o o C o o J2o o • o • o • • o • O • o • O • o • o • o • o • 1 I ' 1 1 ' eg ^£) ^ ^ H r'V^ \o J- ""sr iTs LP r-l CM ^ 2 • o • o « O « o • O • C • o Csl CM • »— 1 • r-* • .-H • O • CM • o o o o o o o E ON ^£) CO CM r^ LTN \D o Lr> UN J= o OC Csl ON sc r-l r-l CO CC CJ ON CC CM 11 CM CM CM CM • CM »-i t^ fH VO • f-i csl CM CM CM CM ON r-l t^ c^ c^ CM CM • Lr> • • Csl • • • • • • • 01 «-* 'r-i o ■o o o r-^ r-{ ;o o rH >—* C^ o CM ON ON CM CTN § CO c--\ ITS -f csl C^ • ^ • LTV C^ • • CSJ • o • .a- c^ • t^ • r-N • J- • CM • O • UN • 2 o o C o o CD o E„ o o On irv O o J- o u> UN o o NO o 5<3 O Csl o t-i ON pH LTv f-i t^ i-H t~- • c^ rH CC • • • • • VO • • o o c o o o tTN ir\ J- UN ir\ pH r^ UN u^ UN t^ C^ ^ Vi • • • • • • • • ■ • • • a. r^ r^ f^ t^ t^ t^ CO t-s. fN tN, f^ r^ ^i|? 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' im 2 W- S ° 3 3"" °f, s E c - i (D =1 TJ s c I'T 3 3^0- - 3 °° W >«oj » " ♦ ■0 ;c^- £ N ' « tt X ■D C s^'? c .■2'°- c o c r,-o W *- ^ t ■0 F ■0 E 2 •n c S^ « V £> ,, 1 3 s « « C ^ ^ fei" I E « E 3 t ■0 « O ^ U "O B-139 UJ m < a: UJ < S o S O " 10 ui < ■o « >*(L) X a; -J J 2; ^ a < 23 a m 3 33 3 an 13 3 ■0 3 :^ ■n =) =1 e E ^\ £z - a. o2 <-> 1 1 E h?^ K-O C 1 in f^ 6E tnO Q. 0)0 Z a I O j Per- cent sod - ium o tr\ rH .-t • c^ t^ r- c^ r^ CN ! r\j r-i (^ CM _ -o w£ -J- OJ to so cv CO ^« > - S" to -H CO r^ -J- CM t^° S S.E •H f-\ rH c 3 w o V O °'cy ^O S^ 5£ c o u c o E (E CVJ £ 0> j_ a. a- ^ a> r i oO tf) c H^Z T) a o. o ■r* 2: '5 3 o wcr KH r- C^ 1^ o^l 0-- ir. sO z'^ii o •1 rH r-\ rH o ■" g LTN ITS u^ °1 -111 O 1 o « -^ c ;is§ j3 *n 1 Sf) 5 "O 3 *Z Sgo > c o 1 uq o |2? S L^OO ^ o — a 2 11^ — ■ O\o~- CL E 3" ^1 CM -d' ■^ -J ll •1 O rH rH >-i °1 ^ c^ rH tn c E a> « -2 o v»S S £ 3'^ OO o~' O X O. ch « w^ ^ o-§o ._ -? b in -^ pec nduc icro t 2 o O o <-M OS r-l ;^ s rH rH CM en o £ o oi o ■o en > a ss os: W K E M o a. i5 a. o -3- C^ t^ C^ K.e lf\ ^ c- ?i » o> ». »» -o ° " ■P 4) S E O +J ■-c3 Q » x> a.E « o" = c— ^8 ^ H ir\ O-o E U\ C-IA o C^ irv r-ir» CM c^ r^ CO 0\ (NO ^ tn CV r-l CM O 1 MA 1 i/N O tf) H 1 "N 1 -H 1 OJ r-\ eO rH r^ l-i c^J H l/N rH ^rH O ^ Z -S. » o « o ■s Q - 5 S E — *" - »_ t , m E - = J i ' G ■? 1 E a => 1 * « c c si somp nsulto matio H-So - * 5; en " i o I S S^ •- -* 3 - >. Q. 2 O O ^ c I 6 i £ o « o E >. "5 c 3 ij -o o *— c ^ E O » S C = J= O o < 3 ■= E S _ -ito q: LlJ < * ^ S ^ ^ a '■■ ^ '^ m < iJ- I- o CO w > < z u ;i« in m l/i Ul to w 10 10 (/> t/> in 1/1 ?- Crt a s s s o 05 f^ a Hi 3 3 => s s 3 9 3 =) = O B E E s • 1^ - 0. »< NO ■a • So 5^ • CM r CM X • X NO o • • E vo OO (Nl J- OO c^ rH i~t t^ NO rH rH • • • o o o o So" "1 o Oi 1/N o o o r-t NO o o O rH fi rH ■?u i5 oS i-H CO l-l NO rH NO r4 NO rH J- rH o rH CN wH Crv rH 5 ili? UN <»\ o <^ «H i-t J* o OO J- t^ OO C>4 CM CNl CM CM CM CM CM CM CM CM f. CM i2o 2 » 5 CH J- rH o O O • • • c o -°° rH 4 It 3 — _ < ■< U o o o u> o^ O UN UN " • o o • o o 5 o • • o • • C3 O o o J- J- o • c a. Ik, N o • c 0. 0>. IM So- -•1 -1 ws '^1 r Ih 'S « O o € UN r-t 8 CM o 8 € o o § U^ O o o o • « • • • • • • • • • C O E 0} o O o O o o o o o o o o §-sc: • 42 o • § o • s li. *"~' o • o o • o 4.'* •< o o CM o ^ c i|° 5 • o • • o o • ^ J o o a o > c , 5 • « • a- o UN • & J- • « o • ^ UN • l-t o o • C*N o o ^ NO • ?^ OO « CM o o • ^ o • OO o ^■Su u l-l • r-t • CM • l-l • CM • o • • • CM • o • • CN • 1 o ■" z o o O o o o o o o o o o 3 -'5 ON • J- o • s •i c g l~* • o rH • o 1 •'m sis lit: \o >.c t^ X3 NO NO CM NO rH .* o r^ NO NO CM o J- cr\ ^ rH NO NO NO V£ 3 CM r-* iH CM C^ CM CN CN r-* I-H CM CM rH cr\ rH CM rH • • • • • • • • • • C o (D^5 cc o O a o o o o o o lo o o 1 u o o o o o o o o o o O f^ " a — o z o o o o n o o o o o O t-^ JE o • o • o • O • O 9 o « O • o • O • o • o • O • wOO 5 o o o o o o o o o o o o • c 2 o M U VX) CN* f^ «N CM OO CM t^ M U> --1 o S £ — o • o • o • O • o • o • o • o 2 3iC E o • C-) • o • o • o • l~t • 0. o o o o o o o 1 o o c~^ CM t-^ OO On Jt O • • • • • • • • • • a CM CM • < U- -< 1- o > V) 111 s CO CO to to c/i ifi W M M ■ - -P5 w VJ a CO s s? ?« U3 S ^ 10 ^ S s s 1- < rD = n =3 O o s o 3 3 3 n ■o II - & 5 • O • •a o K O c .5' O ND a! o -H PN E u> E t^ S "-I U.4 f~< •H ON \o CM NO rH rH CM rH ir\ «H t-J> c M ^ uC OJ r^ J- c O o LTN CM o o o I-H •tO Z.a C O Zo, cc C (Jn vo r^ J U ST — T^] -^3 —a — tl^ OE CM I-* *-l I-H «H CM r^ t-t f-H i-t I-H O «9 3- I o Per- cent tod - ON J- CO c^ J- NO O NO ON J3- NO CTN i-H u. ^ •< w a. F-" C/l ,-i o Q. 4)-^ J- o o fi c ill C5 • • o o • o o o a a > n C\ ^ LTN l-h -f I-H C*N kO IJ- UN ON o 3 cc CM C CM O \o o oTo J- o ir o CM O CM O cNcj OO O O O C^O V i^5 CQ a o • • • « CN O • • •1 • .-i|o • • • • o o • • rH O « • CM O i-hIcD • • • • rH C o ^ UN CM — cr T3 E-i • • * • c CM O c^ c^ c^ c^ eSv c^ c^ CM c^ -l CMlrH tv rH 3-5 • • • • • • • • • • • • • • • • • « • •1 • • • ?5 CN O c^o CM O c^ O CM O CM O CM O o E o o *~^ CM *-H C^ ^ O o VO C30 o CO a\ NO rH J- ^ o ■- > > c^ r-\ f-^ C^ C-N NO CM C^ J- rN c " C .H f-H « c (d •H _ ~ o a! O 5r: Q © -o OO CM rH «.§ • t^ ^5 t-t \r\ LfN O CM O r^ o <^ UN CM ir\ O t^ O 1-* UN eg UN r-i IC\ lt CM J- rH LfN r1 J- rH C'> i-i C^ r-\ r^ CTN LfN CM CM "^ t^O CO O ON ^ rH C r~t I-* rH rH O • s: * a < « I fe ^1 q 2, 4 5| o S 5 I J: T* ? s 0. £ m Q ± p. ~ I'O 1 E = 52 O -£ o P B — -.= 6 a". g o. 5 * S " ? s u f 51i M ^ B ° O u >A 7 . i'' S5 i ■ a f % s ^It o E sg"| e. tn £ |2i a. a • g .e a. .OB Ego * i CD S o II: o. o ° °5 o m " rJ -^ O u ^|S < ■o Ht. N r S • 1 • • ■o u • c S • "• s • E E f® I C O • « o J il°i j6 ■l J B-1U2 UJ I- < 5 i o A s q: 3 -1 (/) m < U. 1- o CO LlI CO V _l < •*> • •« . 1- T ,-, 1 T ■^ 1 ^ ■^ ■^ •^ :S 3 O •J) 00 ■^ : < -J - ::3 - :3 3 :3 =) Z3 3 Z) 3 =) 3 ^ ::zi '-" E E !:\ £z -a. o2 *a 5^-a K^ c So" "1 —1 i-t ^ >- -i r-i ^ rH -=^6 •« « 3 a-oj- - ^ "E^ o CO CO o CO O CO CM CM o o CM CM CM CM r^ CM ^ ■« > - a tj •"^ n^ r^ CO r^ -3 r^ \n r^ r^ -3 ~=s -3 -3 -3 -3 (*N °°SS.E~' o ^ « 3 (A c o o o JZ o ^O in^ c c o Ow m c o e , "r^ o »— . 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M5 l-i OS ir- CC OO en O go • rH • f-^ • • • • • • rH • • • c o CD^i £ I-H fi rH r-t } rH r-t I-H i-i w-t I-i i-t 1 CC o o O Q O o o o o o o o O O o O o o o O o o o o c o o o o o o O o o o o Q • • • • • • • • • • • * " Oo J o o o o o o o o o o o o o — O • o ' OOlf-^ ^ fe IT ON o ir\ o UN O UN CO t-^ 5 si? • o • • o • o • o • o • o CM • CM • cn • CNJ • CM • CM • CM • o •» — o o o o o o o E J- CM irJo OO c^ OnKO LT ON CO CM t^ J- NO o Jt w~i I-i CM ,-. CM X\ ^ 1 ^o t~- CM CO x^ to OO Csl CM CM o CM CM I-* t^ J- o J- CJN LT CM u> CM ^- o on • • • • • • • • • • • • C^ c^ c^ rH r-i i-i o CM r-i CN CM CM III o^ t^ en o t~~ OO O CM CM KO rH c-^ CM t>. CM CO UN U' UN 0(J L^ NO ir^ IfN U' UN CM r^ ,-t ON r^ ON r-i t^ • • • • • • • O CM CM CM r-^ o O O l~i c^ Crs cn cn !r\ UN UN rN UN CN CM I %4 • • • • • • • • • * • • O. t--. t^ t--. tV t^ t-N t^ IN. t^ t^ 1^ t^ „ O go C of o {^ O F O OO OO CO C^ CM C^ CM cr^ St St J- » V o to LfN t^ vo CM l/N CM UN • s- ? o E CO CT\ OO CM O f^ t-A t^ VO CM t^ tV o o. * • • • • • • • • • ON OS CO OO t^ t-N t^ t^ t-- OO CO ON Eo CN o OO rH NO ^ t^ J- CM c^ CN ON t^: s J- ir\ ir\ va NO r^ tN. I^ t^ NO UN J- ?. r-» oT". * * c '-' ■O • m S ■n (. O t- ■« .e' UN CTN NO CM ir a l/N O ^ o CM o \o O UN OO o UN UN •-< Jt CM UN CM O CM O t~i us ; r-l C^ I-H US r< O f-* en 5^5 i-l UN rH J- ^& rH O "^ CM ^> J- ^^CM 1^1 CO V ^ "^ \ J ^ UN ^^ LTS ^ r1 \J^ ^c<. O c<> r-i ON CM cn ^ r-l rH CM rH C^ l~t JU- rH UN t-i ND f-i t^ r-l CO ON O I-i I-i rH O r-t f-i o •■ a. 9 t I I 9 r>|0 ° » §ls f s o S 5 » '^ « £ T» S « s g ^ Q - P. - S-° % o e • ^5| P • --.= ■o O u o o •* E i o g ' ti ^ a g* lis £•05 C £ S; M ^ B s » ^ E 0: • • • u * • C O E 3 |6i f = K a. o ECO • i ffl £ H « 2 * ^ u t O Z 2 °f -L — • u < -o O M • o : % ! 3 ^ T) ^ o c o ^ « c 3 g o 1 ^ 1 - ° s I:* • r-°S ^ * « 5 *S 8 " ^j •D a iT E • E E g^^' e J o • e 4 Z C B-1U9 tr. 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CM ^ O ^ O N^ r< ^^ o O J- <-H \D • "» Ok S ^ r-l UN i-t VO ^ t^r-t OJ »-t CTN r-t I-* i~l r-* *-< a 4 -I « O t c 8 » B-151 q: < A < CO > T> V ~ • V> U) u ■A VI ui v> °s ^ £; o cs o o to xn « tn OJ < => D 3 E> o » 3 E E - a .3^ i- cS> T3 CM • «H ac .'.1 t^ <^ N \o NO CM ON a^r a • • • K" c o o So "1 O O o o o o • o z a ■^ o o E o ■> a a US St o NO Cr\ ^ St I o °°- ITS »r\ J- UN NO UN UN k'^^% vo t^ o J- OO ON rH 0.O o- tN CM w C^ CM CM ON s ON r-) i2o 2 S.c ll iH ao W <^ O 3 O • • c « 3 i-l c o -rH w -<^ ,^ <* o <^H "-"l HlrH " o o •! 40 • • ol 01 * £ o o ^0 O J- ^ » 3 O • b. u a. 0. Ob ^ ?^ c ,_^ C4 o o u- I-l CH Cr^ c 2m t^ o o o f-4 o o oS t-i • • • m • c = (D o o o o o £ E s^:: « o s i V a. a. IT "~ ^ o • • 1 *'^ - oO s • r-l o CM • § i c w ZiZ g o • o 1 • z a > o 3 >• oo rH e^ « o C^ \D O f-i CO J- CM \r\ *-« V rt »»'"■ a: • f^ • • O • I-l o f* • iH • r^ o ^■OO u f^ • CN4 • f-l • r^ • • Jf • UN • a s o o o o J* o >• 1 ^ s --5 o ^.5 • s -J c ,^■2^ X. 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(7\ f-* O CM o O CTs C^ C\ ON ON o > « r^ r-^ r-t •-< rH r-4 r^ •-I E CM CO CM \£> as CO CN \o o\ w t^ r-t • o • • • • • « • • • • • m o a iH CM i-i CM o o CTN r-t r-l o ON CM .-H >-* t-i i-t r-t l-l r-t r^ r-t r-t Eo f^ c-\ J- O O r^ ir> CN o OO St o t5 c J- U-^ in NO VO \o VD t^ i-^ ITN UN ir\ s OO ON CM 5 CM t^ c*^ CM o ON NO St • S o C^ \D Jd- J- J- CM r^ r-t J- r-t u\ .1? CO GO OO CN f- ^ js- o CO l/N *~t irs iTN u^ o o 7^ Cr\ vo O 0\ l/N o o CM O r-l O CM ITN u \ .-1 c^ rH r^ rH rH iH irv r-l O <^ r-t CM r-t cr\ ^^J- ■"^ P^ \ CTN o N ^>^VO \ir\ \. r-A \ e'\ ^J^ ^^ CH \J^ ^.^ oTh r-l St CM UN A rH r-t CM rH C*\ r-* St- r-t LfN rH Va rH t^ ^ OC' r-t 0\ rH .cH rH r-l rH r^ r-t o • ^^ 5g • u • o ^ a ^ 1' o 2 • g e — "S ? 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SS" col °\ wiG J rHl cmI s_ 5 •^ o 'H OO o^l O r-i M co CM -It ?£ C^ c^ •-I O «-l O rH rH o CM CM o o^ » • • • • « « • • • • • c o E (D j.^ __ O _P Ql Q 1-1 r^^ C3 CN O n f-> Q o ©^ o r-i r^ ON CM 3^t • O • o £ » u. ^"^ o • o • & "^ ^ « 1* 1 ^"^ - oO Ja o • CM O ":|g Z -z z r-* • o • i ■^ u . o o § a > s fe CM O OO ^^ CM c~~ o UN 3 J- •-1 o\ St s^ NO NO Csl ^ o Jt OO CO M o s — O O CM C^ UN J- C^ OO CM CM UN CO NO CO LTliJ- UN ooLd- 1 5tso M rH • iH • ^ • • • • • • • • • • = § c>^ c^ :!- M o r-* O CM rH i~^ CM CM uJ o: tv ^D CM VO ^ c M CM UN O • > r -r; 1 1 w^ O CM l-i J- t^ V£) o rA ON J- rH o r-i CM OO c^ ^O UN ON CM t^ fe ir\ CO rH *3 « IIS 3 CT< Lf\ f~* CO rH ON 0^ J- t-v CM OO C^ £~v rH OO Cr» CO ON o vo t^ o o r-i OO CM ^'° t^ cr\ OO t^ o^ C^ C*> UN CM o m C^ rH t^ IT C^ St o t^ \o ^ U" UN 1 • • • • • • • • • • « • C^ c^ J- i-i rH (—1 o CM CM r-i CM CM Je-s J- VO c^ o a> r*^ CM CM r^ t^ ir> o rH CM "'3 5 "5 CM ON CM o\ Csl c<\ f-* o NO • t\ rH ON • • • • OO • GO • • S rH f-t r'^ r-i o o o E_ C^ z^ St o CM ON J- o t^ UN o o NO o = o ir ^i) Jt CVJ ir UN CM CM rH CO CN o rH CO o — • ♦ • • • • • o CM CM CM n '^ i *^ r^ cr, UN c^ c^ c^ UN Cr\ ON c^ Lf\ rH • • • • • • • • • • • • tv. t-- i-^ J^ J**^ I^ /^ I^ r^ f^ ills IH •-I jr O o CO CM t^ St ITN ND CM X^ O UN o NO CM rH UN o t^ MD UN OO OO • 35 «^ CO VO NO VO OO fN OO t^ QO t^ E CM C^ OO OO o CO l~t OO ON ir\ O CM o CI • • • • • • • • • • • • o. -l CO J- *-• J- rH St CM CN ■•^ CM ^ UN ^CM " c o u ^ ^ 5^ ^ND ^\o \VD \UN \CJ ^ CN ^OO \ ON O J- rH UN CM J- c fS rH O CM ,-1 C^ w-1 St f-l UNrH \D iH t^rH CO o ON O rH t-i r-i (-« rH rH o • " H ■= s I 0. 9 I H si ll " • 8 a o » 6-9 " S 8 IP I5| as * 4 'Cm. ?^: S. in ^ E 1° ■a '■ S l*s • 15 So o I 9 '5 o = ^ s • ? 1 1 6 • • _ O O) ^ 1.1° I O A O V B-15^+ p ll3 I- < tiJ O CO (D UJ < z < < ■2 ■n =3 ':5 ID i i i i ^ O 13 r> H? 3 :3 3 i =3 =3 -a <5' Tur- bid - ily n ppm ^1 o -» M o O O rsj oi O O o o O o 2E NO r- «A CT>. UN lA tTi 00 lA -> CO s lA CM C^ »A ^ riii kA lA li-v CM rj o o o o o H rH tN ^ ^ ^ »A u so O^ "8 s 3 C C O O c 5S i 1 1 5 5" isi ^^, sj^ olol olo oldl £S ^:5 £.5 1 3 O o -* o o £■5 3 O CDld c>l d 3 3 o o -JliAJ rHso O O o o dlc^I C3IO Ik ^3 U. N d 3 £=5 SI SI c:>l dl 3 3 o o cnToI MO! dlo1 didl ^ ^1 ;y ^ ^ 31 CM| cvl SI ^ f5l SI SI c o i « o. 5 a. c o E m O CTH Q -; 01 o s § s d ol o CM r-i o' O d o NO o o d 8 8 d d O 1 o o CM ^ 1- CM rH CM iH ry rH • o • o °d °d c o > « 1 ®^ 1 oO i-H -p %• 2?- CHrH CO H OSf^ • o • o • o O • O • rH . O O O CM C> O rHlo sO iH O 35 lAl rH 5|i ■^8 "^8 °1d °1d o • — u Q t- 5'a o lA • lA • -^ • o lo o °.\g °.|§ CM • H • O lO O CO • o O 1 u^O -^r- •rH • O CA • CM • lo o c c • 3 c o o « 2 m X g M t- •£> CO ^ •"* CO • o sO o crfo • (N ■ o O^ • CM • o o r-Ko CO CO lA • r^ • O CN( CM lo lo o o • o CO CM • H lA • O ^4 ^O O • CM °1d ■°1o- r-*o o o . rH • rH lo lo 1 •'n 5 =o O g «3 -JO -JO r-( SI J. g^ rH CM fSr lA c»> 1 rH 7 CM rn > > "5 «" > ° •i O (T It* o o- 9 o 1 -s J W w o ° " s go* 2 5": ^ s £ ° » 5 'h £l s o ^ -t ■; l°? ■o ■^IS « Sit (J sP E U ^ o o ■° .o: E a r> o «> » Q. O O S 3 □ "• S E c E""^ £ 05 ■ o » * T a, a o 3 o o ^ Q. o O o -;; O >» o "^ « o 8, • o » o c = ■§ o c < c o o 1^ c 5 ° V 3 C E ■o o E w « c o = 4) •> o a. o J3 o •6 is « ^^ « 5 F fe" X E E o 3 O c •o «> Q o < 2 B-155 tr UJ t- < 5 3 > to J (/) >- 4 3 3 ■2 1 -1 -J '0 Z3 -J o 13 13 -J 1 13 31 ■"1 13 13 13 E E 5^ Tur- bid- ity nppm So • o "1 O o o o o - D o o o o o = O T-P, J- -J -^ J _3 vO -J ^3 CM ^3- -3 -J- fA _3 :§ rH Per- cent sod - ium ?J ?J UN fj fj UN CN -4- CN -H Total Dis- solved solids in ppm o ? "s sO CO S t-i cr CO CO r-i rH c^ 3 o O O O o o o O O cv o o O O O o O i 8 C 8 O 81 o! C 3 3 U 5 5 3 O 3 o 3 O 3 3 O 3 O 3 3 3 0) O r^ o o CO CT- o o o o 3 o O O o o °1° o o olo olol SiSI didl o ol ol did 11 li O a. c5 IJL, M 3 O 3 L3 Pu C^ ct. ^3 Ct, N tt. i>3 £.S S.S 0) S.S S.S £5 ^1 ^1 ^ ^ ^1 SI ^1 ^ -Ol n SI SI c o i c o 'i o c tn ^ o o o 8 O 8 O O O 8 d o o o O UN o o o rH o o o d c o o "Si CSI H • o 3| o o 8 O o o 8 O o o ■=te o o 8 o n 1 °.8 °d o8 o o d d c o > « 1 ^"^ r-4 1 as. o 1 to iH • O °o- ^1 o o o o °d nO r-i °d 18 id rH UN O o o o8 C3 O S| o O O id 1 UNC- • o O lA O id unJO id UNlO (A • O UN O "^d O r-i o c C > ^4 O o O OD ^o. to TO id to to • o id 51° o «o r-J • i-i UN • O rH • O 51° O UN O 1 S"^ m g i lA o o ^o to o rv o UN «J1 rH «N -* O ■sO • rH UN 9 « o O tn 3? E o. £o ,2.s 35 <^ M sis CO O CN s CN CN o UN CO o ■UN O r^ rH o 8 3 CO CO 8 XA ON 3 so CN o lA fA CN o O Al ^O CO s I J m p h V ■2 >, IO ;^ O -C oj ° $ X (J -m - 9 = I i I E O 4> E >, o 3 a ■O > o 1: ^ r: - o » - >.a c • o » c -^ E ? « CI Q- « £ o 1" y « - ^ O 4) E =" i 1 ? §5 O A U ^ V B-156 ■i: H ;!< < 't* ,, * S :;: 1 ID S e 'i O S I _; IS S3 '); J 3 :^ J « > d "-: * i*- a '■(' - o 1 .. u \: to " >!■ UJ w v" V u: _l < z •i < ^ • < 13 3 =3 i i -^ S o :3 =3 ^ => i -.1 3 11 5* Tur- bid - In ppm So" ^1 f*\ rH UN S U\ s ^ 0\ UN UN CM UN -4 us Per- cent •od- ium ?? CN/ CM CM CNl ^ fn CM ^ Totol Dis- solved solids in ppm 8 ■^1 ON rH ^0 rH CO s UV 8 — « C d 8 5 3 3 3 i C d 3 3 o •> IB CO r~i rH d d m g did did 8 didl 0] dlcDl d s dl O £5 ,Q> C U^ N 5 Cl. 5 £fl ^S s.a So- SSfl ^ ^1 cmI ^ ^ f^ f^l SI SI ?J1 fil c o E o. « o a. C o E o « c » o > o c 5£ m T3 8 i/N d d d d o •— . ♦J C • -13 3 =1! 1 1- 1 51 d 8 ill CM rH CO 3? 1 3| rH OJ <-* • as. -0 rH °t- 3» °d ®" """^ S • CO rH • t-i r^ • 10 id id id <0 .H id vO • r-i cn " c » c o o o « c 2 ^€ <: a > CO ■i3 CO CM • rH -1^ "o- id en CO • rH -*d 3^ CO CM • r-t UN • 1 •'k, 5 =0 r-f «j4 rH -"4 oo UN sO CM H 1 s = 1 0°. 08 =1 =1 08 »i »! 0° °d 08. »l • -ii 41° 1 ^6 • ^d rH-^. E 11 id ^ • u-JCO • cv •0 • -41 CO • CM ^ • rH ^ • (^ CM H H rH • m H UN W • • CM sO • -41CM 1 -0 CO 13 1 • -* UN • "43 rH CO id M -4- Id C-T]CM • UN ^o • ^1 To Ho ".3 (0 . i-H i/\ ^d CV S rH • 2i°. CM S CM -jS rH • ^d u\ ^ u\ rH . * Q. 00 CM CNi en CO -0 00 -0 • Specific conductance [micromhos at 25° C) Si 2) rH Pi ?i rH 4 CM 3 3 UN > • « O o 5? E a. Eo « 1" o 5^i CM ON UN OS rH CSJ rH co s g s CO 8 »" • i • UN 3 vrv 1 i 1 rH cn ,3" >-* 4 1 1 7 UN rH UN H CM 7 (S TJ .= V 3l° * n h £ I* ? X ^ ^ n » ■0 3 ^ E e 0. ^ 2 li * £■ « 0. fli Q E U • e s- s ^ t? (D u w E Q. 3 c (0 c c ^ E c il >> Us c tr C E F ^ w Q. 3 ■0 3 s c = "t" a. • c b T a. 3 u ,^ Q. ^ n u C -J « < ■0 V a X £ N V w 9/ a 9 c ■D > C < c c c • ■0 T 3 C E ■0 ■0 E V C E V A •6 u. c E « E E 3 03 c I CI •- ■o «> »- B-157 < a 5 s UJ I :? - CD < -.0 ■-1 z> '.0 =3 13 :d --■) T - T O O '-5 ID ZD => ■.0 ■1 13 =3 =1 6 6 -a Tur- bid - nppm So" 1" O (A I o ^1 o CM o o o o rA o o o o r-i O CM 26 CO ■LA CO -3 \A eg CO lA SO sO <^ On sO -J ^J \A CM SO CO \A CO rH \A sO Per- cent sod - ium sO ir\ CV csj rH sO -J r^ csj rv CM rv ?J CA CA CV CV Totol Dis- solved solids in ppm o CNJ rH CT^ sO CO li^ sO o (?. t> rH r-^ r-i CV -J r-i r-i rH r-l c V 3 C o « O rj o o 0) o d o V 8] 8 ol o sO o v O CD d d o o aj rt «J sO r^I sO -S' xrvlJ O o o o o o d dl a o 6 6 QJ C 0) C 0) C Et.ro fr. M b- 1SI o i ■2 o" o i if ^1 ^1 ^ sy ^ SI SI 'SI Id SI ^ col sOI cvl cvl o E a a. i C o E « o. c o o > « c o d a O fi O H •dl o o o o d 81 8 ol o' rH o S o O d O O o\ O? r^ o o ^1 1- o°. o o r-i o o Sf CV rH CNJ H CJ iH . o • o • o o ■» o • O • o o o 35 rH rH =1§ CV rH C-J r^ - O • O °d °lo 1 ^^ 1 o O OJ • o o O ^i o o CV CV • o o irJrH sO rH iTAH •o -o «o °d °d ^d 1 5| "iS -IIS °o °lo & ITS - O io olo O C- O £^ • r-i • H O O o S§ ^d "3^ lo o o iaJsO iaIca •rH . rH lA • -i • lo o -lo io 3 in c o c is? CO (NJ • r-i ir\ - lo :5i° o • o sO CO • rH CO • O r-Ko CO CNj C-- • irs • lo lo 00 o Ad uyl\r\ CV rH -JirH • O • «-H • rH o lo lo sO o • CV o caIcv '"'Id C-hO rH 'r-i lA CA r- • rH • lo O 1 ••« IIS 1 00 CO . "^ o a43 l-t sO (*■ C^ CO • rH ■^ rH CT- -4- O -J lo lA 00 o-\ -^ O ^ O t/^ CV sO • sO • c- • r-i i~i f-i -J r\j cA CO • rH O r-i lA 00 ^ CV Oi r-i r-i r-l 1 ij-O o i 8 °o • 8 °o- =1 8 °o 8 8 °d °d =i 8 2 B °o °o °o =1 o °o- 8 8 O • o • O O • o O • O i-i • O • O i-i • o o o o i^ ^3 g^ ■^ d *"* d nd O i^ • o o CO lA o rH lA rH U^ • o • o o o 11 3^ °1o • r^ • -* O O ^o o o ^3 -*trv -Jtcv cNJ' o o o CHCTs co-^ o o CVKO -O t>- • CA • CA CO • CO • o O 2 sOKO to (-( lo o o o o rH to ■io sO r-i t>Hir\ CO . vO • o o CTsjQ -^o cHcv vo CO r- C-- • CA " (^ • i-^ r-\ 4 1 r-t Si 1 rH -4- O CA 00 ' * ° w o. 5 O « lA - Q a> o » - - 5 ° = 11 ® o « Q -- ^ ° 2 ^ o (?) o »- U % o •6 o m £ Sj ^ « c c « c £ |o^ c Q a, ° o or ^ 6 ^ . . o a o 3 o m 2 S5 - 3 in 1!^ « o O o >» ( >■ o --' ♦ > O ^ ^ z ' ° i ^ in (u Q. o I -o w to • :i o o Z c I ^ i E >. o _3 i3 -O I if o -^ ° c •5 o S * B-158 I- < ijj "^ o ^ ^2 >: li CO 5 < u. s •- o g UJ CO >- • < -1 13 ■J -.0 3 i 3 :5 3 •^ zj ■4 ID 1 3 '1 3 II 5S "1 Za O o O o O O o o O o o O o o s c o > O 5S 03 o c o o 1 rH O O 4 o o o o nO o o o o O O 8 o PI -^ J o ol o >■ °2 o _■ H rH • O o o o °2 3i 1g °o- r-t r-i °d °1d d°. o ^i rH r-i °d i oO 1 o 1 5|i O -o- .| o n r-iO d°. o IAN3 • o id UJ ^1 "1° 5|3 1 ITVIO io- m • rH fn • o id 1 1 f^ o 14 id c M c c o o « c 2 a 3°. o • o -J • o CO o id io- CO o id to (N ""d Io » ^ . Pi o o rH C^ CO . o 1 •'V) ogo e2 1 'rH eo rH -o en jH rH 0;rH >-t rH CO <-t rH 4^ rH CO H r- rH OJ •o o^ o 1 u CI o c °. I o O o °s =i = 1 o° o =1 =1 =i o °d 4 =11 »l Q. 3S o -IS O o o -^ ■ o rj ■ O o COIU\ o l-^ * o o 1° o ig O 1 rH l^ o E 11 {/I 1 ^ r- • o o cwhO to B o to ^ O Oll/N o o id irJcn O u-sicn id cnloj ils • m o Se-5 ta rH O sO (0 O O io Io CM (n |o °.3 id oi - C 13 < O __ o o » E O • o o €) .a: o T) E a -> o , o o c e "5 o (ff ? F o £ u - o cr c b F - > o U 3 a> "a O O ■o Srf^ b 10 j-r ® O o a. ^^ T3 O . m ^ 3 •D ■i ^ o • c w o » T a. Q. o D ^ a O o Wl O > o - 1 o I ■? : 3 c . < c o "o c « o « E C ■o •o 1 "O c O E m o o E o A « c o ■6 o o 4) ^ £ F o CD X u. E « o C7> C 3 « o (5 <. i U- < lU o IT. CO CO < I- o 3 < z < N < 3 13 ■0 '/I 0^ :^ ^ ^ :d =) =3 -.T 0^ r.T ^:a a s =) 3 Z) E E - Q. U4 5S za O o o o OH O 2E CN -3 rn CO ^O Q OJ lA ^ \A kw ?? ry (^ -* o3 CM OJ -J^ r^ m OJ CM CM Totol Dis- solved solids in ppm u o OJ O fH CO r^ .-1 cn c^ 59 3 d 3 at 1 t O 1 o o d ol 8 dl d 0) a) °. ^ °i o o1 ol <£ £ £ J Wl Ofl OJI ^ ?^ sy SI c o e « o. 1 c o E • c CD o o o o d 1 °- 3 lA r~\ O O O O d o dl o •— as 5? ^o- °o- °te O Q >-i H OJ H • o • o - o o • o • o • o o o > "5 o- 1 ^"^ :E2| O • o °lo 3° 11°. 3°. nd "^ d id -MCsi O Q O O . o • O • o H • O • O • O O O ii5 (J """^ °J4 o lo o O c^ O r^ O 00 • CM -CM • O CO • CO • t^ • O O IO c c • C o o il? 1— 1 CO o COjO CO oj flolc^ o Jo Io • o • OJ . CO o 00 nD o o- io 1 S'n CM r-i |0 O rH 1^ in CM OJ 3 w^ J s =1 o|§ o§ o|8. no o lo 8 8 „8 °o °o °o m a. ' O O M-t O u^ CNu\ 4o • O • O rJ . OJ . H • lo O O 0*ir\ CO ir\ CH-J^ . O • o • o H . H . H • o o o E II Is O O O frJsO m tV C^CM CO • CO • c- • o o o c E-Bt 1 col CO u^JiN -^-J u- - t>- • irv • o o lo tHf- <-< O O ON . ^ • ITS • ~i o o o E 1.3 U ^3 c CO O CO CO o . OJ o d d qh ;4"^ d'^ lo o o 1 o • o ^ o H o I o 3s c»\ rN Jt <^ UN UN UN UN UN a- UN t--l J- jS- PN Jt p\ tv v« OO o o .* PN aSl- M • ■ 4 i-> c rH < N M C c C c r- •-■1 ** • o o » ° • c • • C • o o ol Jj- " J- " 2 s • Ob 5^1 ^ c s_ o C4 1-4 ^ s °\ ^ u^ rH rH OO CM VO rH • • • t c o £ ffi TTl o o o o o o o o O o o O r^ o 3 F^ in «^ CM ITS o yi) wi ON fN. CM c^ WN CM f~- o PN PNND o « rH • A • n • O • o « o • rH • • fe- 5-So jf U^ C4 • PN • o • r^ • \o • ON « M o *" »- •< O o o o o o o o tr • O o O ■■ '^5 g ■«5S ".1« c • 3 .?£§ 3 Ho Ho- 1 S"^ 5 ?o o J JC o o o U" CM on • 5 « NO o o • 1^ rH • £ • s • VO NO OO o • ^ i9 OO NO rH • C o ici $ o P^ o o o 1-4 rH i-» i-i I-t ^^ 1 s o o o o o o o s g g g § 8 o o iSo < o o • o • o • o • o • o • o • o • o • u o • o 5°i! « o o o o o o o o • .S 2 o ' 5 E — • o NO • eg o r-i O J3- • o • o o so • o • t 12! S 5^ O • o • • o • o • o • l-< • r^R £'- o o o o o o o °lo E VA f NA ON r^ CM «»> L3- J9- o CO ^ rH ir\ '^'C rH ICO CO ir\ *H o vO • CM • rN • ex • a- • OO • • • u- • t^ (/i~^ o o o o o o o o O ^E-S rt s PN ab ir CM a fl UN * UN 1 m • • •■o |l5 • N^ • NO • \0 ft J- • OJ • tv o o o o o o u E„ oo la- N NO o UN l/> ?:r rH UN ooia- U> ^*^ J'o « c^ « <»N « CM < 1 • c^ p "O \o • r^ • tr> • U^ • U> • ^ ^ ON r« o o o O o o i<-i i/. lA Jf, • • • • \ %* «^ t^ l~- tv «^ t^ «N, «v OO t^ t^ t^ ■ •- 9s s^ CM OO s^s*^ •H rH rH rH r-» I-* en 3 E o T> S Ov S «^ » ^ ON On ON O & rH rH O J- CM II ss rH IH C^ e c& \A J* K v« • • • • a C4 o f^ o ON GO ON ON UN a r-* iH l-« <-4 p4 rH Q.1. Eo- ^ 5 Cs( ir\ 5> , c 1 • 2 ?° £ 1 '?• r-°| 3 -o .= ** B • E • • E e oj ^ 2 ? * c 5 o • 1 li^i a jt t> n m B-161 1- < 5 111 5 i o Z) _l (/) m - ? ~« w v> 10 U) CO v> to «fl U) u> (A 00 1^ 8 10 s ^ ^ (9 s 5 s 8 g c •tO • o ^1 O o o M) o O o O O o o O o o UN CO vo o UN ^ ^ S^ f s> CM UN s i^ w ^ \o NO CM c\ M Jt NO (M a t^ cn St ^s|- i c^ CM ^ _ -o « E ON i& PSOOO^^ J- cr- tv CM O o f ^ • • • o o « o 3 tH C rH * v> ^ M < C tr O o Jf CM o ■H O • • O O . • o o • • o o o o O . 3^ Ck, O O. 0. (k tNl So- u- CM -1 A^ t c c iH & € & ^ CM O CO O #H O 8 SI d sl % o oci • • • • • • • • • •1 • • • c o E ID M o o o o p • o o p o' o o o- 3^t ^ o o • s E « o • o • o. >* o Q t N o r^ CM a 1 *'^ • o • o - oO u o • r-t • £ c ^-5 z o o z o o o- L o ^ > »- »-l cr ri o a CM o CM & eo a- OO o OO CD CO OD OO cnIon o ri UN en o rH • r-t • CM • • r-t o O o O fe , 00 >4 ,~. •< CO o IT cn ^ c il°' u z • r-t J- • • It H > {/i*^ i^ o o i ae its" e S ft CM a- tv o NO UN o UN e- o NO OO NO OO UN & Noleo O UN On tv 3 M a- OO c^ VC r^ fv ^J tv r^ NO rH NO o NO O NO • NO O tv rH UN ON e- £5£ ee • • • • • • • • r^ • ♦ • s C tH r-t »-l iH rH r-t •-« r-t ^r^ rH O u o O 1 »- o o O o o § o O o o o o ** o *» ^ z o o o o o o o O o o o ^^o u o • O • o • o • o • o • O • O • o • o • O • o • o 5°H z o o o o o o o o o o o o • c 2 o 3 , CJ VO J* IT J- -* \^ CM rN c^rN c^* en -3"U1" sii ■< • o • o • • O • O • o • O to iH • rH • 4H « r-t • i-t • •H r-t • 0. o o o o o o o E Jo CM • f o f o • o en «v • en ■OS < C*N o> • o en rH r^ • cn CO • O tv cn • ?r ON « r-t • 0^ ":fs oZ a> • • tv • l^ • t> • NO • tv • NO • NO • UN • tv • NO • tn""' o o o O ^O o lo o o o o o ^E-5 \c ^ VO d- tr UN »• UN ON o ON CM (V ON • • ir\ • a • VJ3 • :» • cn • cn "»3S ii> • V* • u> tv • J- • cn • a • 2 o o o o o o o E„ r^ ITv c^ UN iH UN Jt o CN o CM o o o .^o rH VD rH VC <-H UN «-» tv r-t NO r^ NO r-t UN 0(J • • • • • • • o o o o o o o X ^ P> tV tf\ UN UN UN tv UN cn cn cn en a • • • • • • • • • • • • IV rv *V IV XV «V tv /v IV rv ^11? ^ps o IH C^ rt ON cn O OO o OO CM «Q «i35 »r\ NO C^ UN CM CM CM rH CM CM cn rH «SJS 1-4 iH r^ PH ^ "^ g^ o i/\ o se> «v VO rN OC cn tv a jt OO r^ O a ITS CM O o • o 35 O cn o ivuN CM O « U. 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P o UJ CO < z < U5 1/1 U> UI Ul 10 i W t/> M 4 s S! 0> s ^ g i S Q » s s s » -0. 5. « • • CM X ii si ii-4 CM VO rN tv 5 NO J- f^ CM CM en UN •"* c So • (_> 13 ^1 V£ oo t^ & ^ rH CM e^ CM fH S CM f S 3s ^ l/^ J- * UN J* ^ .* J- UN -^»l l/\ NC ir\ cn ve a UN UN I-i CM ^ >£ .rsp CS| CM CM CM CM CM CM p^ CM ■- * — tt *% ^602,-0 £ £ fc' Nfi CM r-t B \ri rH • 0I * • • a • £ « .''' <-i a • •k c < u < _■*< c iHlNOlC^PN rHlO " • CM • IrH £ 3 •! • • .; £ '00 a ^ J- • k E 25 ft. »fc t> M * SI c fe #-4 s s i s 8 CO « CO rH • • • • • • • • e a p4 r4 iH rH 3-0 U. • f J; iL. *" • • i a a l-t c > '5 1 *''^ ill 1 so • rH • • ^ • ^ • ON • & 00 • ^ CN • hS CM • a en • « CO • § CM « « • « CO rH • rM • ^ o a r^ • • • • j 5 00 r4 s t r-« r« \o 00 rH s CM CM x> » Q x> CM CM ^ C~\ 3 •; ir tv C4 NO • VD NO \o • NO ON • VO ON • NO ON • NO ON • NO • \D • 'fi C m^S H r-t r-l iH <-< i-t e-i rH o 1 1 s 8 8 s - -, § ~ 8 JSo • • • • • • • • • • • • S°ii •< • C 2 in S E — CO • f^ ^.1?; ^.tf; J- • ?, '^S J- • 1* UN « \^ 'lis 1 £ 5« f-4 ^ • i-i • iH • r4 . r^ • rH • rH • f- |o 1 00 -f ir rv J- es* CM i-t fv. ^ loo J- X3 NO ON <^ CO CM CO t> Os ir« «v 3-S • C^ c^ « c^ • rN C*N c^ • CM CM • • • oZ t^ 00 • r> • |V • • NO • Nf) • NO • u- • u- • \D • • Vt'" ii3 11" • ^ • S • UN J3- CO • §^ rM • CO II5 ir< • IT • ir • ir • • u- • Ho E_ ^ fi IfN tH UN r^ u\ ?o ^ U> fH UN #H ITN iH UN #H UN 1^ UN UN o CM CM fH i-t rH r* r-l IH r-A #-l rH ft r-i rH "§1° ir\ ??; M CM CO fi NO M> 00 NO fH ■W (ft « UN ir\ NO ITN .? R g> 5 00 5 3 CM s R 1 00 00 rN CM CO ^n r-t <§ UN <:8 <5^ -* CO l-< J» $f • rH ,H CM r-< (^ iH ^ ,t \i>>- NO rH t^rH ONrH rH rH •s 8 • i __ ill 1 55 4 -J £ : X ji D a. a. I I o ■s u ^S • I o 5 ■5 £s ]>■ s .§ igs a S J i|s « *> «s f"g t B o O u «* !!-• in lis 6 £ a Ego i (fee « >- £ " • *" • Z ui 3 ,. " ; ut r £ I fa' I 1 's • I l-S 8 s is o ' " s s ^ O D 2 S E • • 5 ? f* " = E 6 o 2 ? " ± O O < S \Z O A U « • <^ B-I63 < S- UJ J- C) < tn u. 3 -I I/) m < Li. t- O _i < « C/J LO in M ■J) o 00 w l/l VI CI -T 4> E^ [^ ^ C3 in CO ?^ ?^ ^ CI CO C3 !5 ^ 5^ c 4 n t=l ^ a 3 3 ^ 3 s 3 3 "^ ■« c e E J! i;\ ^ • o • oz •o X o C c-v -a o; CM Hi O ■H • 1 £ « .- oO 1-4 •. • O • M c z-z O O o o o s -- ^ CO tr\ t^ 1'"' CM CM LO 30 UN J- ^ ITN o a- J -C »-< o ■^ \i> o C^CM CO CM t^ CM CO CM CN 0_ CM CO ^ CO r-H O CnJ M oJ!^ o • • • • • •1 ■ ■ e • • a • o • • • • • • • o S^S to v^ O CO o CM O Ho IS" tHo cr>]o r-< O CO o J- c ^- o o>Jo tJ o E- cc S l-c* .ox-. ^-1 K-l CM CM ut ' •'• C^ • J3- • .4 ■a: -S p§ e- ^O rH O > ^ 3" — UJ _J_ t*- ~i |u-> c 1 ST) -J2 1_A i-t Lf\ LTN CO -^ UN O NO ON c CN J * 5 'O a: ^ • CO • tr • CO ~« J3- • CM • \o • o • °° rJ J- • ^ _! c o > c^»-^ VjD i-t a>|»-i ro f-H ON|rH 1^ CM Crsj rH r-i r-< U^O NO .-1 f-^*rH :^ J y o o o o o O o o o o O O Cx] C -^ o o o c o O o ° O o o o o o • • • • • • • * • • o E- o o o c o o o o o o O o o o o|c o o o o o c C o o — Z • U _u- JT cs UN s 5 It s \o o J- o \o o c-~ C J- o J- O ON O • • • • • • • • • • o • • • u n-1 o ^ o ^ o r-' O rH O i-< O rH O Q. '0 E CO CO i-H c^ r-t lUN t^ J- CC' ^ j:^ zf rn (r\ CO :3- so Ko c-^ KD I^ J- CN U-' CN. J3- u to f^ • r-1 « • • • • J- • UsJ • r-^ »-H O • r-- • • • • • O • rf o .-^ o « S^ .— t 1— t e CO \D \D ja- t~~ rH M> CM o O _:^ t^ ■ • • • • • • e • o r-H o O CN CO CO CO OD CC ON C O rH 1— ( t—t f-* I-H Eo c^ ir\ ^ CN CM UN J- C^ J f~\ i-t CO Ln LTN MH NC t^ ^ r^ t^ NO u^ " & O O C O O o o o 5 O r o w •» >J LCN O e is \o vr vo t^ •s •s Jt u^ CC O i-t ur\ ir\ o ON O rH UN UN L:^ ON O o o r4 UN .- o Cm UN ^il LT r-l O .-H CM rH UN r-l O CM CN rH JZ- rH CM r^ CM \CM ^ CM ^, I-H cr ~\ >-l ^ o ^~^ ON ^^tH "^rH ^^cO ^ CTN ■^ ON o J- r-< CTN CM CM o « i-H r-l <-H CNJ l-t r^f-^ J- o UN rH Vf) ,H t^O CO O z- o r^ r^ rH C I-H i-H •B ^i §11 u ^ n • — ■".= E %9 o 2 .. O o M E e5 ~ if : a. C ^ ^^! • K • Sue £. CO ^ |2i g £ a o • ECO SB" u C I fl! Q. 13 O -3 S 3 ^ -a .E o • o •) ;5 . e >, « c S° a 2 '> -o S t^ S " -s H ? ? s s --St E o n ^ E 3 1? " i 2 I • 3 S 6 5 • I 3 4 S o A u V B-164 a: UJ < LlI ::-. ^ i < * < 1 :^ '^ 6 -.1 5? 3 T ^ <^ i? ^ =^ => O ^ => 3 5 13 13 •=i E 6 5* , . E Tur bid Ity ^1 O o O o C\J rH rH o o o O o o O O o 12 £6 o rH s H CO CA o r- I o ,?S ■ o -3 -3 LA LA p- sO J XA icj.£ H H 0\ fA (SJ XA >o >! 5s| LA) CAI o( ol SI ol .~-l mil ^-1 ^I CV.I f^l r^l -•1 -•l cm| Cm| cm| fKI cm] ~l cm| cm] H ^, r) «.. t^i O -) D c:i c^ rH CM o O o o O O O O o o o o o o O o c o F •-> -i H rH OJ CJ rH fM CM rH rH f-\ H -4 -I f-^ rH >-A — o ®^ rH O (*\ rH O -=! "J) -=T O CM O CM O rH O H O •-\ O -H 3 r^ O O CSJ o F — -^i- a o O O o o o o O O O o O O O o o O O O O O o O O O o o o O O O a. -p i-i iH r-i AJ ^ r-\ o. , ^^^ o o o u> o J\ O a D o 3 >- o so O LA O o CN o sti 3 o 3 o ■J) o U) c iS- o o o o o ^ o o O o o rH o rH o o o O O O O o o o o o o o O o o o o o. o > ,^ 3 2|5 'J^ o w IT, CI • • ~=i CM CM CM r-i od LA ^ CM r^ rH • • XA ^. o o CJ X) XA rJ >o o XA CM CO O LA O CVJ OS O 3 s. 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E c i? > o « S i Q O E 5- Z -1 2 O A U "O 4) B-190 < * - III s i-a o "- i a. c^ (r J III iri- i-j "' 1 tm i4 u-S t- o ^ M O tf) UJ (/) >- < |§3 3gg§g 3:3 3 32333 II ii4 So • o •£ " I s ^1 ili-i Totol solved solids in ppm ~J TO O -* O O ■>0 " S s s c-j s ^ c « C o V O c o i o a. t c o i Q. C • o > '5 • o O — 1 ""^ ill CO ill 1— < e « • 3 C o o a> c 2 ifi -3 lis > 3 1 O 3 O -3 ii5 CO E 11 en JE-S. = 15 E_ (J « Specific conductance Imicromhos Qt 25^0 « o a E a Eo » - a ■a ■'3 .11 H "1 7§ ^1 3S 23 ^3 68 JS riirH >AS oo >-. t> Tl CO (/3 in t/1 tn ^ 9 - (L SiS a§ • C c^ »< CM 'V CN E E ■3* 1~. :;>•- J- UN ir\ UN UN ON, UN NO S^ra «-i CM c^ r^ cn rH c^ H* c M '^ o| 5n C*A C»\ £■ C^ UN NO 00 r-t ft X o za t^ CM r-i NO fH NO NO ^ CNl CN C^ 5e 5; r-l 00 00 ft NO CN CM NO 00 fH ON NO J- wt CM rH ^ rH r-t ON rH Per- cent sod - 00 J- fH UN UN UN ^ C*N UN J- UN CM u^ ft UN 5? 5> _ -o u. E CM UN •2° S 2? •" 5> S CM r^ 1 • rf 3 fH 4 r^ " < •< ui c CM ^L^ \r> r-t r-t S • * • • .00 • • t £ J- J- o • c S£5 b. M a. «iS2 "^ CM ^ \r> N N f^ If c^ ~W C^ NO lA ^ C3 — f^'l O^ I-H J- iH c^ CM CM CM °i CM c XII • • • • • • • • •1 • • • O o s- jj 0' § 1 0) ~^ C4 5^;r ^ • • • • a li. """ s «rt , £'~^ M a: ~o • fS "^1? - oO n J- • CM • «• c z^z o o > '^ a i CN C^ UNIf^ u> eo J- 13- CM CO CM UN UN \r\ UN CM ft J* & CO OO , oc J- ir> (N 5 CM t^ UN C^ J- l-t tv 00 NO \D J- o\ CO CN t^ CO :* V O-S- rH • fH • CM • ^^ • • i-t • r^ • r4 • • • • H-H u Jj- 3- r^ UN S f^ 3- ^ CN CM CM SO tv f^ tv fv NO t- UNJCN c^ CNI V 500 s eg J3- CM l/> ON UN UN UN tN, •-> 00 ON UN ITN UN UN 0<|UN tv|rg 0^ UN «H • #H • • fH • wt • • r-t • r* • r^ • • • • m C CM CM CM CM rH CM esi CM '^ i-H fH 1 O o 1 Q § 5°^ 5 ■< • • • • • • • • • • • • o « •-» Z ill •»— ^ 00 • & • f-4 NO • € C*N • fH • rH • ^ • rH (A CM • ^ • f-i • U~ • J- • CM • \r • _ . !i 00 0^ oc 00 d so c^ c^ dg & UN NO 00 CM CM CM rH 00 ^ {^ S CN UN ft C^ ^ % OolcM UNJUN • rH « • r^ • rH • • r-t • fH • • • • • (/) c^ a- r-t lf\ J- r^ J- ^ 3- CM CNI «-< 1 "1 = ^ CO vO 00 CM m C^ 00 t^ ON *S ON 1-4 CSi CM >£ • t^ CM r-i ^ « J- r-t^ CN • • CC • • • NO • • 3 " »H rH CM l-i r^ 6_ 3 g \o CM J- JS- ON UN UN 00 UN <^ OO J- #-l ^ IN- u^ SO ^ CNI r-* CTn J- r-t • • • • • • 9 l-t CM CNJ CM CM u\ IfN l/N r-t P\ rs UN C^ ON UN ON CN, X %4 • • • • • • • • • • • • a. t^ t^ t^ 00 00 t^ 00 00 (^ t>N tN- t^ -Sl«^ t^ t^ UN ^ CM OO UN CM CO CM 00 J- VD u^ ON er\ 00 CM ^ r^ t^ a; C^ OO CNI ON 00 OO UN J- UN tf> o E o fH T> S NO vc fH UN 00 C^ UN 00 C^ UN NO UN « C -O ff\ CO CN UN 00 tV CN m 00 00 00 > » s- fH i-i fH r-t fH E c\ On t^ ON UN cH CO UN t^ rH cr\ m o • • • • • • « • • • • • a rH ao fH cn fv ^ fH t~N fN, ON ON #-l r-4 rH fH r-t r-t Eo OS t^ J- NO CM r-t NO ON UN CN Jf irs UN NO f^ rv 00 t^ «^ NO UN UN 5 a\ UN J- NO r-t r-t 00 t^ oT. jS- CM CM 00 CM ft •H »M CM 1-1 C^ fH J- rH UN •-> NO tN-rH tiO r^ fH ft ft r-t ft I 5f Is. o > o 5 ♦: St, E ^9 >i O u II s a c ' II; Hi gai g £ a _ o • Ego 3 ^ ° ° °i " rj I"- « 2«i £ a o ' S 3 ^ -o - >.■«» .2 2 ^° g 2 >• u o ■o o o 2 • c • • e Dm 3. ^i-'c O A U V • B-192 ar. LJ 1- < S- ^ UJ r-1 < 1 pi 2 (T III 3 _i tf) m < U. \- o V) UJ w V _l < z < 4 «5 lO W in I/) C/1 en w S3 to (/) tn W s to S I/) ?n !^ s g? 3 3 3 = 3 D 3 3 s s = E E c 4 . o • -f 5 c^ K O C rs ■O CM « o vg • o S c X « S rH o Z ts. 1 ' E r> u> O iH o o 5 US O us rH C« K *> C f-4 CM t^ c^ so eg PN ft rH •.o v fe s fv OS OS eg so ir\ c^ us O us J3- c^ rH <-< r^ ^ rH rg t^ f* rH ft ft -^^1 N CM O ^ oo 3 1^ o eg es .* u^ Jf J- ^ us us us US Totol Dis- solved solids in ppm D CM fH CM ^«< Ol O • ° < o • C o O * 'o « • «H c Ok 3 "^ -< rsi t> o J- eg c^ rH O • O • rH « • O • o . c O O O J- ^ Ok t. o o a. C O rH ts» O. << c^ tS SO Ho rH eg wiG c o c 5S S § • CM c^ • c^ • CM • ^ o o • so eg • U" rH • osl rH • ft • Cr> • CM CM • c o e m o o O o o o O o O o o o §^;r • •52 CM • fH o ft • o E w li. *■ ^^ o • o o • o »>'> •< Jt CM cry Cs| t- • o • o w c i|| rH • • 7 o o > P o o O s? t^ (r\ a^ pH liC oo e^ oo wo ^ p° t-< CM fS fA CM INO e^O Ov OS i?-^ 3 • iH •H r^ o c l-l OS OO it eg n SO ;v us Sf) r^ »H O OS 0» ts. oo o 1-5 ii NO • *-^ • r-t • iH • • • • • i-^ • r^ • • a 5 O r^ c« c^ CM O ft ft r^ CM CM z ' c J2§ h-( 5^ CM o • O U> • « n: :^ c ^f? 5 oo sri o OS ir\ fv us rr> OS CM us o oo OS so J^ ir\ s OS CM ST oo f 3 J- OO 3^ CM CM rH OO O go • • • • 1^ • • • • ft • ft • f^ • • fi c o (0^5 CJ o CM i-H i-i rH o rH ft CM CM ^ o is? o o o o o o o o 8 o 8 O O O O 8 o O o o o o o 8 o 8 o 8 o • o • o • • • • • • • • • J.OO z o o o O O o O o o o o o • (J ■« z • CM o oo • ?? • OS o • OQ o u> • ^ • s o • o rH o • c^ • • eg • r-t • J- • o o o o O o o £ o fch CM c^ UN NO oo o* OS r^ f> »-* ON o J- CM eg OS ft OS c^ J- 3o • <»N *Vt^ t^ •-* fv Cm \r lJ^ fH x> C^ Ni) c^ 1^ ts. CM rs ft IN o so tN ^z NX) • I. • • • • ♦ • • • (rt o 'c^ c^ c^ CM o 1-1 r^ r> rs cr\ c^ CO ^ rv CM O oo c^ ON C^ irv so 30 III 2 • r^ r~* r-l A CM ^iJ 1^ o • r-N CM i-H • • • • • J- • • o pH f-l r-t I-H o rH E VO OO o CM o r^ ir\ eg O C^ lf\ so o p"; • CM <^ OV C^ so :t o es nD rH ^ • • • • • • O o rH I-H O »N f^ r* 9\ fv *^ fs. (»S a • • • • • • NO t^ OO t-- t^ t^ fv tv oo oo OO |s- "if- CfN a c - — CM CM SO {^ ^ o o ft ft o OS ^ c^ us OS c^ SO us (/) O E <3 t^ so t^ us CM St so so so T> & ^ O cs o ^ J- OS OS eg OS c^ o OS r^ us ft € «» c > V 3? »-4 »-« f-* r-^ i-g ft ft ft tfN 9\ K us Os K si £ S E • • • • • o O OS OS CO t^ IS- as O ft r^ a i-t r-l f-* rH g^u. oo CO »H us o eg SO J^ VfS r^ o Nfi .!€ ^ ITN so so l^ tv t». t^ e^ so (5 5 C4 CO •-I J- us so CM CM s J3- so s so ^ CM .1? lit tv J- ON \o u> oo o o es o o o o o O -* e r" ° r^ ir\ <8 <:?^ *v^ us oo eg ri eg rH O V\ u- ^^ ^ c^ \J- ^. f*- \cs ^ rH ■^ t^s >^0O •v.eM O J- rH 0^ CM l/N o « 1-4 r-t Cst f^ e^ f^ J* iH USrH so <-< t^o oo r* ON "-t : X 4 8 r- n o < ci m 1 1 X £ •o ? s • Q. : o » « 1 E * D - a ~ S-o % f. Eft". c o 2 t? ^ a|» c 139 • • •> u fie N ^■Bo ^•• lis 2 1 o: 1 t; o"^! E 3 « sss ii S|° _. i iBa 11! a 4- o ; u • 3;? • l5 f => ^ -D c . >.« • I It- « '' 2 l-S 8 H ? I g S i E 6 a) • — « Owe > 2 • o 'O I = I ° ? d <> S la. B-193 LJ < UJ o I.I 3 m < to < < • < ID -0 a: -1 CQ ID CO ■-Q ZD :T1 13 CQ E E 3^ 1 1 E 1-^ c IS "1 z a 5E Q.O O- 2 m l.-^ s >-1 ^° S S.E S CO o 8 rH CM CO O CO en 3 rH rH 2 rH 3 C O o o ?o~ SHJ c o 'i « Q. t c o i Q. in c « > (D o o 1 5"^ - oO a CM ^ ^-n o O o o o ^ w c3 o «■=: rH rH CM lA CM cn tn < < -J c c C o o o c 2 s > 3 § 1 rH ^ CO CO O -4 en s rH CM lis n 1 3 3 ^ rH CO rH rH o rH ^;^ 8 04 CM rv co rH 1 u s O o O o O • o O o o O O o O o O o o o O o O o a 2 12 ^ o o o CM -J' en o CM lA q o CM e II in ^0 CO C- ^ ^ o 3 lA t^ CO r- r- r^ CO „goo Q. C - •- 1/5 O E o i •J- eo e2 rH 3 CO eg CO o 1-4 rH rH L.-\ CNJ CSI o CM CM CO b o tn 5? £ a. a 6o K.E CO H -J- o CO ■O CM O o JjJ c O *J ■'i rH << .11 " c o o m 1 o H O as ^4 en O r-t <-t 1 rH -4-rH U%rH ■O r-t S3 ;Q3 1 IT. to o rH rH i2 -VIC 2ip I I -5 i So" E :„ • o » in I - * := (5 ® > as o •- "■IS -o O (S ° o en 11^ S o 5 "= E ^ « ® o o u -, o 2 t/i o £ "O I if 5 S - • =" ^ > O f £ a O I -D c ■* « « ^ ° - » ■D E Q c « *- = E 5 s ■6 o ° » a) c * g o CD I t E E 3 S « S ^ O O 2 S o 5 c E -I • < 2 iZ B-19'» a: iij t- < kJ (J S: tr to o CO u w < z < m CO U) ifi V) in lO IT) CO CO 10 w « > J5 o O o J^ o o O o s CS 2^ to ifi to to w (/) (/) w t/) < o ZD :=> :d s t=> o O 3 ^ n = E 1 O 7 c • o K O • C CM ^ & ■a \o 1°. ^ NO o2 • i~* X • V s: t-^ o 1 ' E f-^ UN t^ \D c»^ o o ON ir\ CN Cr\ o K o c CM f-t i-i c^ ON r-i rH » « oE JT C^ CN OO a\ ON UN PsJ cr-- r\ CN ON a c^ J3- -ir CC t^ rH CM ir\ J- J- C*^ rH °e o CO m ON o\ J- \D CM J- CO C^ OO X S "o^ LP. r-\ jt o o\ ^^. LfN CTN CJN c^ o tv ° <^ rH r-t t-* CM (H r-\ i~* rH rH rH Per- cent (r\ -3- o ON O \D t^ C^ CN O CN CM LTv Lr\ ir\ Jt ir\ J- UN UN tr> ITN lr^ LfN - . -o -6 OO \o ?r > ^ S^ t^ ON •^^ S S.c -3- jt ■o v> o 3 d a ° 1 r-i < C LT o o rH ir> P> v^ 0^ • o . O • £ o o C O J3- Jt C O >-l o o M a. «« a. b. S'^ ,^-^ CM o ci ?^ ^ 55 • << O c^^ \o \o tS r^ Vi> VD CT a-i ts VO C CM r-i r-i rH CM rH i-t CM i-t o O o • • m 9 • • • • • • • • o i m -JS o o O o o O O O O o o o ^ CM t-A J- CM |-S:r U o • O a. li. " C • o o • O 4.— a J- CM o o ^ - oO CQ • o • o «*• c z°z f-H • o • w U o o o > 1 ^ 1 J Q CO J- St UN CO ^ u^ Lf\ O rH VO o \J> UN o CTN J- -3- .ir ir\ ^D J- t-.[rH 1 tr to O o cr v^ (T' i>. \jD VID \£) Lf\ J- c^ \o ^ u^ CN LP ON cr VO r^ rH itInd 1 |-So o i-f • • Csl • r-t • Jt -3- • I-H f-t • J- -* J- r-i • -3- • CN • CM • «« r-i VO O -3 c cc \J> O • UN O • r rH i-i 1 1 «-^ 5»o a t-i rH \D O \ib ^^ CC C^' MD ON J- r^ O CM rH O r-^ -©— VD o tv CA CM cu c V 3 • CJN • CM o • ;3- • ON • f^ CM • rH • rH OQ • rH ON • rH rH CJN • • ^-1 1 yS" 2; CN r-t CM CM CM r-H CM CN CM r~t rH f-H ■^ m^i O 1 a O C O O O o p O O O o O O o o O O o O o o o o o ISo" << O O o o o o o o o o o o o • • • • • • • • • • o 5°^ "3 o O o o o o o o o o o o c 2 O :^ <: CM cc O OC ft OO • -a- • r^ • rH • LiN • o o o o o O o E o CO VvO r-i O^ o ir> r-i o Lr\ C'' J- CN ^^ ON o ?o OO ^ t>. C~\ M3 o ON 1— 1 O^ O O^ r^ cr> CM o^ c^ c c^ ^D t^ ur CM CN J^ en • « • • • • • t-l • • • • c^ '-' ON J- ^ r^ ^ ^ J- CN CM t-i iff LO LTN u^ »— ( u^ o CM CL. O jS" »-H CO o ON i-i CM -H CN r-t Csl CM f\ CM NO • UN CM v£ • • • • « r-- • • 2 «— t r-* rH i-H M c: r-* E^ P o 0(_) LP UN rH UN -If O CC 5 MD o CO o U^ UN O-v f\ c^ ir\ C^ t^ J- Jt ON i-H CT^ -3 CM • • • • • • UN \D O CM J3 t^ c^ C^ J- c^ ON C7\ C^ CM (X. ITS o >p Lr^ a. C3D t^ J- \u \£) \o OC CO C*N Ct' CC UN Jl- C^ ttc y- V) O g O - r-i CM O ON \o O ON ir\ t^ O CJN CTN T» VI ON a\ ON Jit r-i O i-i o e^ CTN OO CO « c ^ rH r-i rH i-i f* i-i > • o2 o^ «• M £ CM \C O C^ ON ON o a\ o cr\ t^ CTs - o • • • • • • • • • • • • O a. o ■— t ON ON O Cl. o CO CM CO CTN CTN eS- r-i t^ O -3- t-^ rH JS. sr o% 1-* rr\ iH 1^ € Lr\ UN KD \0 i^ i^ r^ ^-. f^ \n ir\ ITN iH '^ T. ^ S w c ^ t O e- < e E V c~\ VO CN \o o J- UN CM UN \o o UN CO o \o o o o '-^ o CN ITN CM O rH O ^n ; r^ -^ r-i CN r-< J- r-t-U- CO J- ^ o r-i ITN CM O ^•-' •-• ^ CN ^^ CM V^J- ^ ^ t" ^^ o "\ O ^-^ O ^^oo ^t^ ^ \C ^rH ^ CM O OC •-I t^ CM CTN r-H O CM *-l C^ ,~i J- rH UN O \£) O r^ o a, r-t ON r-i rH O ■-I o ft o o •> a. i £ u ^ o • — *.£ ^ o o^ r J •B o • • a 3 a ♦- o f u « It o ^ i ' a ;;: ? l§i a £ a " o • E £ Q 2 » •15 1:1 o • ^ o -O O D M • E • • E 6o) ^ o ° ? "^ B-195 E E ■ ■o c nO E a. Za - -o "E 2J>|2Su < 5 o 2 q: CO _1 m < u- I- O CO UJ CO > ;^2§ - o^j u .9 5^ C E (7> ^ o■c°- o >. « M (ff o C D rH| rHi ird r^ cN o| noj hi 0| 0| H O^ o| r^ O u^ 3| i| 3| ^ ^ s| ^ §1 5| 1] ^ ^?]s|^s;j^^"|s|S|S| 31 ^ n 4 4 4 3|g|;|g|5|3|a|S|5| °4 ^ cj\ ^ f^ fNJ s| s| ^ ;^ S!| ^ 2| ;g| ;;^ Pi] 3Ji^S^SJ:j|3|3|?J3]3| i. "O O s o -° « «> , O • u '^ » - f = ? I i * - " s o o o a. .y « u in v> ?7T o o frt a 3 o £ F C o r i CD U ■o n o * X o o C*- u-v c^ C sO -* sO OO n-v»r* to u\ ^p cVkr\ HO Ho Hu^ Hrj X^!5 Hcv -HH H-^ j.rj |c^ i-:? HH HO Hen HO Hcvj ^h~} HCV -HH -^-^ J'O I. f^ »- lO Itn lO lO IH 1^ Ir^ to )H OH r-t r-t CVf HH CVH C^H -4^H ir^H .oH f^-"* ™'~' '^'~' '"*'"* '"*'"* ■"*' -r *- O « i ' I -5 £ E t £ E i o o o A u 4 2 iZ B-196 ■- a OS 15 X o z a 56 - !2 > - ei 3oo o^ u I- I 'i2 q: m u. o X i - ^ 5 « £i t o Ul o o a> ^ Q * - o E o X o e f - ^O" E Q. =3 o 4) C C ^ Q. O O c rsi i 1° u >s o a 2 o - Co* 2 o o: E i ^ 2 « S O '^ s O O « a^ ; 'i •n '/I 3 < 3 ID => ZD rD n E E 1^ r 0. OS o ,T E 5-S-a H-o c «> « fiE It 3s .- 1 c ^/^ O (n CNi rH o i-t ■^ r-i >o O^ t^ rH r^ f^ Q-oO- T3 «,£ o i ; "S a- „ f\J o o OJ ^ ry o O o o r^ l/N v/\ ►5 3 iH rH i-H r-i f-i O u 1 O ycJ* inHi C m o , _^ 3-Ou. CJ E O u. '•"^ d c • o > i2| i o o o o CO o o O O o d O o o d d 3 ill O O o CO 3 (-4 CO OJ '^ M • 3 iii a 3 1^ ;:J a ^ ^ O OJ ^ 1 Z'r, 1 Li to O a- ^ lj~\ S OJ CO rH C o 1 a-. o y 3 o o o o o o o o o O o o o o o o ^ o o o o c u 5 Hi 0. < o -3 o o o o rH O O o o rH q rrJ CM E II 3 ;.1 ^ o s • o r-i rH sl r- o OJ -O ?E^ s o r-i CJ CO CQ 0^ CO o-\ CO o E_ if U •-i ;^ CO ?i H rH • o oi (SJ cv OD CD tn OJ f^ c^ t^ i "- CO c^ r- o O ^ r~ (>- r^ t^ r- o y oo ^ 6-io c»\ F? H ^ O CN* c^ o r^ r« -H ^ <~i OJ OJ ■o « o^ E o a 60- :| CM C- r^ •-S c*- ^ r^ ci ^o u\ ^ in c " S.E '= -;* o OT> E r^ CO o ^ ^ ^, O t^O STo ^ °gs o 1 o 1 -J- rv o 0~ rH rj o c!,3 -( rH rH -H ^i 2^0 Q * •- £ 2 * I e o I — •- o 52 = -o ^ E ■^ ^ S o » S - - o E ? - o « o " ? e 1*1 - O Q ^-T o « ^ t O « E >, t 3 is 13 C 4- E ? DOT'-' B-198 < 5 A m < V) 2 2 " < z < to to to to (T CT to IT) ■Ji (rt in in 51 *■ t3 1/1 o V, s s O « s » ^ s s S 1- < =3 C3 o ^3 s D 3 3 3 E» 3 3 § . O • ■Svo X o C rN •C ON 03 O «H • 0> E • s: CM £ I^ 6 CM r-4 o r-t o NO o O CM CO if & So Z a J- \o CM (-H -* t^ NO J- l-t CM ^ E s J- CO NO CO t^ t^ O rN o ON CM ss 3s f^ vo C^ rN UN ON ON t^ o CO o l-t 1— ( CM rH I-i r^ rH rH l-t -'^1 ^ CM t^ ON CM CM rH CN O O CM CN o o ON rH UN ^0 0=,^ s UN UN CN r-> St «-» tv o ■• r-t • O • l-t • C O o _ o 3 r-* c « rH ■n < "■J < c ui o o o c^ c^ CN CM cnl U^ CM rH *-* o o O o O •] « O O £ • • • • • O o • • o o o o O ' o o J- -3- o a. 9 lit. x> o a. CL o o c a. fc, M ?o~ ^i SI ^1 SI ?^ c "^ J- -1 a^ u^ CTN rN oo CN iv rN C> UN - o O a: • O • O • O ft o * o M 2ii § CM • r-t • .-H • l—t ft Lj • ^ • o O o o o o > ^ 1 3 CM o a> Jt o c^ a\r^ CO u^ oo ON Jit 3- U> C^ NO UN rH o St o fv t-- W s -H f^ Csl ^ J- r^ ON v^ o o CM I^ u> rN U^ (r\ CM UN rv o NO CO rv l-t 5-oG (-H • r-H • • rH • »H ft • W-* • l-t • r^ • • • • o g c^ C^ I-* ITN C^ o ^ St CA CM l-t CM -sS' s s CO C^ cr\ 0> 5 CM CM ^ r-t UN 30 O- st CM O c « C O ,^^§ s o • • o ft O • r-t « — SE o fN. oo NO CO UN CM ON ""o^ UN CM CM UN J- On| TT o CM 6 St ff> ON — r^T rH 1 • .i^ l-l 8 CM ON • r-» i-H CM • CM u> ON • o U^ 1-4 J- • CN rH ON ft t~t NO O • UN CM » NO • NO rH NO • CM o rH • r-t f-v CM • r-t ON UN • 1 u o o o o o o o o O O o o O o o o O O O O O o o o u c -^ o o o o o o o o O O o c 52o § • • • ft • * • • • o 5°H o o o o o o o o o o o o c 2 o W _ i 1 JKo O cc ^o ir~ ^ ;rH L.NON '-^ J- NO CM S E — • O • o • o • r^ ft c • o • r-t S 5>c CM • (^ • l-l • Jt • CN ft rH • J- • o «— 0. o o o o C o o 1 J- CM CO C^ (C CM ^> U^ o ;3- o t^ ND CO ON r^ CM t~^ NO o St l-t CM ND =3 rv. CM CO CO CM CM O ND c^ o r^ >-i J- c^ o J- :t c^- CM r-t CM ill IT rH CO CO OO vD -a-lco r> x^ r-- ON f- O ^ - * < 13 CQ =3 CQ IX. -.0 § 3 =3 :3 3 3 13 11 -a 5^ Tur- bid - nppm So 5S ^1 £6 Per- cent sod - ium U-i us ITS t\ (N Totol Dis- solved solids in ppm c o 3 04 rH O ^ •o 3 CO J ui c o o O 1 i o. o a c o "i c ® > e 01 i CO t— < to 1 £"" ill o CN ^ r-l O U\ o so o ^0 -^ c- rrj ifi -J3 1— 1 ■3 to 31 -4 s -J' ^ rH CO o rH OS c M c • 3 Hi C o o « c 2 ^^1? 4 H o CO S ^ 3 3 CO rH -J IP. rH rH ITS rH 1 S'k) 5 =o a 3 o eg CO ;5 O 21 r-i •43 IP* § rH i > CO O O O o O o O o o o o o O O O • o O o o o 3 a. 3 o o o o o l-t O rA o rH rH E 11 '1 -J' TO 3 CO ^ a- ^ CO ITS i~i o rH JE-S. CO ?J s H E„ U 3 to A 3 O -^ CO o -4 -4 S * a. 00 CO O CO CO ^ f- o to r- [^ CO Specific conductance (micromhos Qt 25°C) r^ CD CO rH 5t o s 00 CN rH 3 rH > » "5 in E a. a. O LP* CD CO c^ E^ ^ 2 00 • § • as r-l C-- o ?i u^r^ ^8 1 o -4 o O 1 O CO u~^ O 1 o rH C-H !i ^3 O rH :3o ;:?o 1 H =13 rH U~\ rH H w C • « a 3 a -^ o ^ o o C s i I I i i . — c ■*- t E E S « ° ± o o •o V -~ q: u !■ ^- i! < :, S o U £ O = ,f s ;. (t d *^ 5S ■ II -^ :.' 1,11. 3 DO ro g t3 <0 " ', UJ « >- _l < z < • i» □j s ct: « ce: « X ^ ^ a; o: (t: Ct: a: a: a: -^ ?- ^ •T iJi yi S ^ -0 03 s} CQ Si CO 3 3 i ^ ■3 1 4 ^3 =) 13 IJ ^ ID r> ri :^ e e ^z o2 . . e S"?**! t-^ c • -T (i£ c*;? "°u ^s Per- cent sod • sO 3 TD «£ o ' • "o a „ •2° 2 S.E 5 ^ R ^0 «0 s 3 cS ^ >o C3 :s « 3 c o « O ?>'^ ^O iSSG c C o F m — rj 3-OlL E o li- '■'"' -^ a. ^ il? -^1 o sO i.' m z^z o ^ — ■^ o. > 3 cr « o i -J- CO r*- c ill > 1— ( -* H • C 1 'T) Is n 3 N o g.T. 5=8 3 O O q o « c ii2 a. ^ o o E II (/I «0 -O CN CT> JE-5. C\J o E„ *^ « (T- I °- ^H a 0.^ 2r CO en cr- C7> s 8 S in & fJ 8 8 cngio "Z — ■w C/l « c ^o oS o'- E o o. ttl. £o- \r\ OJ rH O o P* P ■s OJ vO ?i ^s f^ u^ a- 1" ^ S3 Oi r- 04 :^ o ;5 CO E? <*> Oi N ^0 O M rn s -a; o -a: S"© • i • CO o o H O S8 2)g A3 S8 o8 1 r^ -J M IS 00 o o o !i > O 6 O HO d2! as 2JS » o ■ tr i - * e = o I i ,_ o « c i= O « I 5 ! __ o o ° * s . o o — O tf> -o U 01 S o in a o o 6 ? - u 3 •n « 3 tn Js c T3 « e c » Z U n >. 1 >* « s > £ £ u to » a z T) E O * O V> Q Q C 4- E O >, O K ■o o o • t> c * ii:: e E w o o < 2 lI I I- < z LlJ o < fc 5 I- o > CO -< -J o < V V 1/7 w M w w tn "i. xn in w O o o o o C3 a ca c5 o 1^ < (/I CO M C/) w to i/j C/) ^ in ZD t^ :=) o r^ o o o o D i;\ - Q. o2 u .;.! C^ \o CM VD • • • k1-? O r^ tr\ i-l o jii- OJ r-^ o rH a, A o6 o O o o o o o CO -If CM •>o a ?o za ^o o » 5E VO r-N. jS- rN MD OD o J- CO r^ X a .?s J- Lr\ ^ LfN UN UN o I-H t-^ N^ Jt -c ' 6 CN i-t Csl CO O CT^ c^ OO NO ON cs:;!- C^ CA CM CM C^ est C^ CN c-\ CM Totol Dis- solved solids in ppm O r-i * • « O 3 c - tsl * o o J- o C>J u o • °l • o • £ o o J- o r-l O O << a. fc. 5:1 c c^ CM VD r~* rH J- ON c^ O c o_ oS o O O o O rH iH O o O o • • • • • • • • ■ o ID /^^ o o o o o O O O o o i j-Sj o- • I-H o i a ll. *■ JJ o • o 1 c 1 l^"^ ill J2 cr • o o • ^ •; o o a a > o (— ( LTi OO o OO LO c^ c^ UN CNI CM. ND UN c^ t^ rH rH u^ c^ o- m • f-H • rH • o • r-i • iH iH »-H J- I-H C^ i~A C^ • r-{ w l^§ jzj- • \D • UN « • iH c u t^ • r w"-2 f? O _ o o CO O LTv OO IJN VD Lr\ o f-l J- OO U-^ UN ^ r-l aj> CC u ^ V lis VD CN r-^ i-H LT ON r-^ CM CO C^ C30 PN CM O CO C^ t^ CM u- • t^ • -d- • ITN • UN • u- • o o o o o o • E„ VD CO ^ ITN OO ON CN O cWlTN J- o ?9 • J3- (-H \S\ J- rA \Ci t-% \C i-H ^^ Oo ON • • ON • • • • O"' o o o o o o O i *- • • • t^ ON • • ON • • UN • LfN • c^ • t-- t^ t*^ t^ t^ t^ i^ I-~ J>. t^ •„ Csl o CO ON J- UN NO S \£ C. t^ r- •c tf) o O CTn CN 0^> ON C3N O^ a ON > « S? 1-4 «-H oS O E Lr\ CM ON J- c"i ON O C^ ITN O a • • • • • • • • a c^ ,-\ o O-N CC f^ CO o o t-i "-t i-l I-H I-H rH Co ^ c t^ C^ CM J- J- ON o J- J- O K - c^ ir\ L/N Nn J^ I^ CO vn LfN UN 5- • O • CM O NO • • • O O • ^ C " 0^ ITS t^ UN C^ 1. t- •-' rH • ^ •o -o 6 « T> • CN CM O «.§ * t^ o o C^ O CM O UN ^^^ o o o • •P CM O r-\ O CM O ir ^ Cn i-i o M C^ CO eg M3 c^ f-^ c<\ OO O M ^^ CM ? Cu ^^ O ^^ UN \. o CO o> \f^ \LrN ^ rH ^*^ C*N ^., UN -^-3^ Q) O ITN t-{ CM Cs< t~K (— « »-* r^ CM rH ON --H J- (-1 UN r-l NO I-H £N, rt < W <-l rH rH rH f* r-* e •» 2 u O ? • s B-202 • J UJ t- < UJ o tn •1,1 M< T3 L-) Ln V) w t/) 10 t/3 w U) t/1 CO LO 5L* o V5 y! (/I s s 8 \ji gj O U3 1- < :d n 3 =) » 3 O "^ s O s S E 1 s • o • ^i-v Jl CM K C C ON °z •o ^ s! O «^ • - a • i: • ac CM .3^ K t^ ■ ' -1 CM e^ l/N UN UN UN CM UN oc u\ J- CM 55-2 3 i|g S (-t • o r-t • o B o CO o CO o U> \£> UN c^ rH UN 3- NO (N, CM o o ON o O r^ UN C X • r-l <-( CM • o • CM • O • o • CM • CM • CM • CM • CM • CM ill l/> • ON • o^ • rH • o • OO • ON • t^ • CO • fv • CO • CC o O o O o o O O o o o o O << Jt ON r-t c^ ' ♦'^ OS m o >-t CM c ;i5§ e J- • o • c « 3 »-( I*:?* cc VX) -U- t^ t^ in rv ^ ON ON r~- u> J- -3- O o ^ C" x> rH ir> o- □o t^cc ° ?*^ to o f- LP LTv NO o C^ U> ON J- t^ C*^ CM U" ON r^ O^ r-i rN CN CM O o SU tD rH • r^ • • #-* • • • rH • r-i • f-* • r~* • r-t • r-t • C o i^5 < f-1 • C" • • • • • • • o o o o o o c: O o O C o Se-5 rH CO CM v^ J3- ON t~t c-\ ON J- r-t t^ J. ON • LfN rH ON • UN r-t o\ • CM • l~* • ^ f^ • • v^ • • CM CM • CO • 2 *^o o o o c o c E„ is o o o CO o r-t UN U> ir\ ~CM o O o Jt o CM o CM J *-t m CM CM r-* SD r-t UN CM CM • • • • • • • l-« o r-( I o o i~4 ITN iH l/N LTN ON r-t rH f^ «^ c^ S>^ UN i ^ • • • • • • • • • • • • r^ CO >-. r^ *^ t^ OO t^ «^ r^ *^ f^ jp— — - CO CO t^ ON O CM o CO CM CO rH o C S^o ff\ ON CM VO «-l • UN ?J l/N -3- LTN liN »-t CM »H « o- E a J- O l/N c^ ON l^ NO o t^ N£> J- ON S o • • • • • • • • • • • • o (N C^ o 0^ r^ t^ o ON NO ON o O »-l i-» «-( l-t (-1 r-^ I."- CO ON t^ t^ ir\ CO f-* OO o o J- K (A r |3i s ° . i- la i s in • • So x o o 2 m 2 o 9 a fc- c __ • o 2 i 5 i5 4 i"* c III B-203 < * z u o Jt o r"! A ru 2 a: 3 >■ 1 _] m -J 2 U- o > s UJ V C-1 _l o ■p U) (A U) «n 10 10 to (O to to to to o tn g? to ca s s o lO ^ t2 to o to 1^ 4 o 3 s o = 3 s = := 3 3 ■o c E E a o l/N °5 •rt C^ •a • k5^ ii ^0. O CN S Csl •H • s^ E s: o u-l rH St u\ CM CM CN r-* S3- r-* St UN CM oo h-^ <= "1 O O ir\ iH o O r-l O o ON c^ CM «u Za iH se oo oo J- J- OC r^ ON C^ UN r-l c^ NO I o ;?s J- CN t^ CM f* •-< •-> CN CN NO c^ CN ic ' £ m CO J- t^ rH CN ON OO UN O Jt UN ££^5 rH r-* rH CM CM r-t I-* l-t r-l l~* r-l 0.0 g- _ -O .«£ l/N 1^ Tolo Dis- solve solid in pp b e^ St rH o .-< O • o • o • c o o 4* 3 * d e 3 Ol. 3 U O Wl ° _« o O rH O C^ fl •-* UN o o • o o • d- • o • • or* « o o o o £ J- St O rH o • O -H a. -a; "9 rH o i~i r-l ! g CM CN Cv t^ U> t^ CO ^o CN oo UN f-t csl NC c^ St ND On '-' 3: 4rH CM ON 5 °° u go h-t \o o J- £^ C^ in CM J- CN c^ CM J- CM CN c^ UN c^ UN u^ Sj cNno ^ NO 1 PC • • • • • • • • • • • • "■^ £5i J— ( o o o o o o o O o o o C 1 n <( s o Q o o o 8 o c o o o o o o o o o o o o o o O o |io -3 Q o o o o o o o o o o o Too t/) • • • • • • • • • • o — h^ o o o o o o o o o o o o • c O VO VD UN Cn NO tS-3- • c'^ • CS( • r-\ • r~i • o o • r-l J- • C^ • c^ • o rH • O • d • r^ « 2 o o o o o O E CN o O o J- t^ J- c^ ~o o NO OC cnKo ?'o rH ^o »-i ir\ • c^ • CN • c^ • CM • CN UU • I^ • \r> • NO • UN • l~- • o o o o ° o |o C^ c^ OA 1-4 Cr\ 1-i r-i f-H CN C^ C^ CN tt Vi • • % • • • • • • • • * C^ t^ r^ t^ t^ t^ t^ r~v t^ l^ (N- {^ „S5G Ul 5 £ O J- CO VO ON St c^ UN St • • • 9 • • • C^ c^ o OO oo ON CM r^ O J- CN CTn r-t ON p^ ir\ J- St J- irv NO CN t^ CO r-4 r-l — iH C^ ON UN c^ •-< ON ON ND OC CO o ■o (/I O O o\ OS On o ON ON ON t-N « ss •H i-l l~t r-l M M E i-i r^ t^ OS O l-< NO t^ CM CN CN ON a • • • • • • • • • • • • O o. C^ CM iH o O o ON OO ON r^ O O t-i iH f-* <-> i-i l~* r-l r-l Eo O *^ C^ a\ J3- o CN NO -3- NO NO tr\ ^E JS- J- J- ^ ir\ NO NO NO NO NO UN UN •I •o o ■*■ o c " 4* +» 6 :i^ © 1 • J *V r-l oo o m rH O rH O NO o CM O ■-I UN O NO O r-f O CM O rH O ( CM «-* CN l/N rH r^ rH CM ^ o rH CM OC r^ CN CN ^ UN ^N CN ^^ CN \LrN -^ O \o ON ^ CN \o ^S' ^ CN O rH r-l UN CN UN o ■» r-1 ^ CN pH <^ -1 J- -1 UN O NO rH J^rH ON r-l r-l r-l rH r-l r-l rA • • a. 3 o. ♦- o *. u m ri o ^ -*■ " o • i i o • B-204 w w t/1 W V) V5 w I/) C/1 m tl in i o < 1^ < ^ o J2 b? S o to S ^ in o O in 3 r> o o a 3 o => => ^ 3 3 II - a. ic= K O C CM 1 -n CM. a) O *H • T5 NO' X. o £ NO X ^^ r^ 3 . < E (L 5»r^ ITN o o o oo ir> o o o CM St UN O »- A c *-l CS( CM CM va J- CM CM rH 4J - « u€ r^ OO o r-4 t^ r^ o a\ rH CO CM NO • .o a. Z a O ft t^ c^ J- c^ CM CM rH CM ON ON O s & c < re & 1^ J- CM CTN J- CM CO CM O J- O o S3- & OO o °Q. •-H e-t rH cH f-* rH rH rH rH rH i£»l ITN a\ IN CM UN CM CM ci\ t^ rH rH rH • 5 o iSo? J- -d- J- J- J- J* _:?- J- J- UN U\ UN _ -o -e t^ >l -r ?^ S^ r-t oo SO o\ e^ 5 °^ 2 S.c ON CNJ f^ \o CM C-N J- o>i CM .^ ^ CM o c^ 0. * O • o • o • 3 o o 3 * c *6. 3 " M o k C o rH ON CO uSj^ ^^ o C^c^ o 1 o O o rH . O O • rH ^ • • • O • • O • « £ o o O CJ O O O » o ' J- J « M Q. -^ I » ?o~ s •-'1 C>l CM J- • •"•I a O «a r4 c^l w CM VO '-ll c m C^ CN* OS rH ir- CM CM CTN e^ NO VO rH c < CNJ CM o rH w-i r^ O O o rH o rH • 3 o oS • • • • • • • • • • • o m c o i (S ^ o O o o o o o o o o o O % -i I Q c^ f J-Sc: § • O • o • o • O • o o < e ^ o • o • o O • o ^ t * (T & ^ -3 o o o O o a, • u 1° VI iLl V ** I* »-« -a- s b o o o o s f'S z t^ o LT CM ^ CNJ CO CM CT> c^ u^ O cr o crv OO t^ CJN J- ON ON C^ CM rH H o 2^ 55S a: ^ ON CM UN u-^ UN VO rH J- c^ \i3 CO o ON t^ CM CO C^ • X i »-* *> i-H ,-H • • • • • rH • • * o B it 2 z o C^ ON <— ( rH Csi O rH ^ ^ CM CM CM 5° a: • 5 ^ -3 U^ L£N CM O o-^ ON uSc^ ON o si J t" u ^l§' z \o C-N tV UN c^ •^o c^ t>. rH J- a. tfe .a c • • • • o - > : .— 1 r~t o o o o , o ON \£) o b- J- J± o CO VJ3 ^^ rH J- \o LO cr~ or^ 'N uT VD T^^ — 5 J- O f-v ir- CO t-^ CM CO -3- rH CO c^ CM onIun s ^ 2 • u CO J 3 ° ?s Q. »-( • • • r-i • * • • rH • rH • • E E •< ogO 1-1 .— « .—1 I-H rH l~i o rH rH rH CM rH rH o ■; p a: •> IB«>S fS 1 **| > § o 1 o O o o o O o O o o o o O o o o" O O o O O O o o e • -^.E Ij S •'" z O o o O o o o O o o O o £ ■s P - < 2 o ^ — o o • • • • • • • • O O (J M 6 a". o S"" E- o o o o o o o O o o C o tJ O — S^ c ■• s? < c 2 O ri o S t E O a^ t^ •-1 oo u^ ON J- s5~ J- ON oo ITN J- ON ^IS iii E- U1 • CM o • ON o • • O • • CM o • • C^ o • • • • c^ o • c in o i-- o o o o o o o Q, u lis E CO so iH CM t^ (-1 O sf CT> ON tv J- t> t^ u> CM J- rH NO c~^ CM NO CM NC c ^3 so ON CO LTS O" so J3- c~~. J- .— 1 r-i t^ CM rH c^ Lr% J- ON NO CO u- CM U' CM ■Sz • • • • • • • • • a ^ E i « o^ CM ON 1-1 ^H «M o rH rH CM CM CM e E K to S S5t III oo t^ CO t^ rH ON CM o cr> C^ V£> CO o ON • • i-t • rH Co • i-* o • t-i O • • J- c^ • rH OO • • c 2 l-t i-H .C> rH I-* o o c f|o . , ...^ E o o «- cH UN r^ UN ir UN VO O CM C^ • CN • CN «— 1 • • »— ( o rH a r-t •^ c\ c\ rH r\ J- c>^ J- t-^ CM rH ■o i £ a ^ ^ • • • • • • • • • _ u • a f^ ^^ t^ CX3 OO t~~ {~~ tv. t~-. t^ t~~. t~- • 1 1° »"il_ o " gU ■t O £ O vo r^ J- J- J- r-i CM c^ J3- NO J- J3- • • a 3 «^ i: o Z. u ^ T> O GO f-i rcN au CM rH J- t^ J- NO ON UN 5;l ^ — O •» c o^° t^ t-^ t^ CM r-* t~^ a\ CO CO ON NO UN > • i~* r^ • u • HI. e o ON J- O i~i J- ir\ CM CTN CM CC C^ * O • • • • • • • • • • • • u ** O a ON t^ t^ CM O VC t^ t^ NO (7N NO NO e i' rH rH • en • » ts- f =^ -D ON rH u -o o D >! .!• tv J- UN c^ o r-i i/\ u^ UN o r-- o \i> ir\ (—1 c^ <3 >-i J- rH CM ^5 rH CM rH Jt rH rH rH Cr\ "^ o ^ rH ^ rH E ill ON ^ r^ ■^j^ ^v. ir\ ^CN ^IfN ~^irN \UN O UN fH 0\ CM J- • J f-t ^ i-t CM rH C^rH J- i-l UNr-t \£) rH t^ rH oo rH <7N rH rH rH rH C rH rH c Z o • o « ± O 4 2 C o .a u T> m «■ B-205 q: LlJ < UJ => * . < u. I- o »• VI M in 10 UJ 10 1^ M u g s < o = s £> 3 s ■o s. E E • • C*N X S C CM ^2 - a. •0 • • UN IcT £0 cS' X. 1 i E o CM CN <^ ■a- • f-» UN «nO "1 CM CO CM NO 00 1-t 1-4 1" Z a OE •^ OO C^ t^ <> NO o m 1-4 <^ C^ C^ NO CM I O ^S rH r4 *-l f-l r-i fH il^l 9\ OO 9\ 0-. 00 J- Q.O g- IH »H <-l r^ i-l CM _ -o ^E («« O ' WT) Q. CM iH f-( O O M • • c 004 3 >-\ c ^ •< "^ _J C ^ o CML3- • • • « J- O • 3 Dk U £ o--r yo" °l inSa '^l g_ s SI CM fH C O i o 'm • o • 0' • • E • o • o • ^ 1 -? Jfl CM • 8 r c V - oO ►• • o > u- CM 0^ .J- 00 ■H iJco s; •^ CO ON o- »H JS- r-l UN rH UN •-• 3- fN, CM f*^ ** lii z o • • • • • • u 1- J , to r-i c w — 2 "^ • •3 o r^ 'N PN CM tv. CM *> CM Il2 fr- • o • • • v> i-i • • • a. o E (N C>4 J3- t-1 J» fH J- fH tN. 3- 0O|0O 3-S A »-t OO l-» iH rl ON iH ON ■ • • • E OO o <^ UN J- J- 3'o CNt a- rN NO C*N t^ C^ tv ^L) • • • • o'"' #-« t-t »-t r^ <_J a\ t^ rH i-l iH ON i «H • • • t^ CO • OO • 00 • «» ^s|" •"SI" o CN «>N C^ ■H f-t CN rN rN rN TJ o »v ■s S:; vo ON w c > e 5? rH »H r-l BS ITv tn s r^ U S S E • • • • • • ,f o O • 4» CN . rH o- ^ C ^ rH CM ON r-l X^J- •Nv V CM rH rN •-» M a -Nj. CM > — ^ CN rH ol • ^> l/^ ^CM 3 CM c^ o « -> Ob C^ r-l J- I-I UNrt \o •-" -» << ■D MI H O > ijj e- '2 § ij " < z < « J^o O 3 3 3 a i^ s s s 3 o < ^ ^ ^ s g B g g g s g o -a i' ' • a vc UN » NO NO NO & R NO lO -Q. <-« •-4 pM ft •H r* ^4 ft t^ S^ol o w ^M ON C4 o a J? e»^ J*- 0.0°- «>* CM t^ CM CM CM 1^ pM c 2s? f-< «^ O »H o O ft ft ft rH «-4 o o • • • • • • • • • • C o € o o C3 O o O o o o o o o a- CM l<-t o \^ i-ou. « O • r> e o. • -< o • o o • O a irt . i"" •^ • o o NO ft o •» c 2 Sz <■> • • o r> a a > t fT . _ 3- UN rJ *^ pM o rv UN CN en * UN OO O f> o * OO crv s5o g • • CM • rM •-t • O CM • cm c^ tn CM en o - f-l • I-- • r^ • NO . JS- • CM • r«. • ON • M • r>4 • r4 • NO • ni O o o O o O o o o o o o o ONt:^ kO a. .[o ON o '2° •- °?s a «s ^?^ ^ go CN S CM C7N f?^ o CNft CM ft * CM ^ 7^;?^ Fl §s m^S CM . iH • >-i • fM • ft • ON • CM • CM • OJ • r4 • ft • C O CM CM KM •-• W .-l|CN e^ CN ft Un- ^ O o § C<^ r1 o o 8 o o o o CN t^ CN* fM s cn C4 8 ^OO O • O • J- • O * o • o • o • f4 • U< • o • f^ • o • • c 2 o ji o o O o o o o o To o o O , ti S UN ■O ir\ l/\ i- o '• s e — o o •-I O p< o fH o OO o so o OO f4 2 3JC • • • « • • • • • • • • • « a. CM o CM o CM o CM o •H o ft o cn|o U CM 1^ t/> u\ J- N CM CM UN 1^ ^ CM • \^ o NO t-^ O D CN O r4 5^ f<|55. f? oZ CM • rH • rM • fH • «-t • f~. • fl • CM • CM • CM • cmI • ft • to o o o o o o o o M o lo jo ll? v^ o\ •H r» J- • CM • rM • OO • 2 \o o lo o o |o lo E as CO CTv |u\ l*i> he |o 1 2'o OO irJr^ JT r^ onIS- cmLh bt- 5(5 »f\ • cT. • «!• cMri c^ o~^ CM 1-4 M •H ir-l IrH irT» o t^ •-I P~- r^ •1 ft (^ ft r» i ^ • • • • • • • • • • • • r- CO OO CO t«v r^ eo OO CO «^ OO t^ NO vo OO & t^ «-^ j»- CN O C4 en NO St & UN CM CM o CM UN ft P. i^ 3 ^ s CO ft ■w (/> o o o CM O S^ ^ 8 !R & :: S ^ ^ a^" iH I-* rH f4 fi ft JT - r^ UN UN • jt 2" P. CO « s ON pM ^ ft en en C^ (JN cn o CM m ^ iH fl CN O .11 191 0- >s l UN •H O Csl r4 <^i-l J*- iH UN>-I NO r4 ^»o OO r-t ONf« ft ft ft r* ft fl 4 _1 m a dl o » • 1 i „•• Q - ". ^ 1' _3 ■5 e • U o S cf - E O 5 sfi o f^s N O o ** c 2 • c a i: * o E a. g £ a a ' g° » i mS 3 r> t2 t a o ^ °x u " rj o 1^ — o • -;a3 N c o s8i.% ^ r^- ' ^ o c o if II 0^0 = < c o o 3 ■o t ? ^1 » E 3 s • iMt ^ O D 5 "• m c •: E ° ID X E B S ? " C O • • o 1 4 3 C O n o T3 • «■ B-20T < # m UJ A ;^ u. q: 13 -I (/) CD < U. K o to UJ en >- t/1 t/i to lo trt 'J^ m w Ln to to irj — >^ o o o o o o O CJ o a 9 °^ U3 w tA 1/1 w v> w tn (/I C/1 CO to < =3 o E) o t:> 3 t=> » r> 3 s :d y3 E E c • • Ln II .3 CN X c ja- ■O CM a) CM ■rH o2 o S NO ^ ^ 0-* 2: c 1 < E OO C£3 -^^g • • H^ c ^ «-< UN fTN c^ rH o CM CM 00 CM So" "1 o l-i C^ t-i o O c^ O O C^ OO Zo. i5 oe iS o<=^ CN Jt r-\ ON CM rM l-t r-i J- °^ rH rH CM CM rH rH rH NO NO rH r-* l~t Per- cent sod - r^ o J- NO t^ f~i ON C^ CTN LTN QC NO »H CM r-* r-l CM CM r-t C^ CM CM i-t CM CM UN |;> -o^ jT rH 1^° 2 S.c ^ c^ v> O O • • « o o M ^ 3 - c « o M o c o o r-t o rH O O CM • O • o O • • o • o £ o o J- O -3- 9 3 iH O — ;s CM rH o o 3;ou. • o • o E V u. ^ J3 o • o • c^ a. <-i o W) ■ £^ § o^ o o o - oO Q • o • o 1 c • > ^-5 o o • o o • o lt: 1 '3 r-> i-H IT *H o c^ LP t-i o o o O o CN CM CN o o CM r^ CM (r\ OD UN tt Q • — a! * o • O o • o o • o • O • O • o • • • o • o • rH • o • o • o • r-^ • r-t • o • r-t • i-H • rH • K o o o c: o o o o o a , ^ s c^ ITS o o -:;l'^ o • o • o ,3-Stn J CM • o • ^ (n -^ " o o 1 •'« W a: \D vi) ^o ^o CM ^ CM J- OO o VO VC o ^ ( rH t-H r-t r-t CM r-t CM i-t CM r-t CM - 2i • • • • • • • • « • • o (D-oi ^ O o O o O o O LP o 1 □c o o o o o o o o o o o o o o O O o o O *l _^ u o o o o o o o o o ^^o z • • • • • • • • • • • • o o o o o o o o o 2 o J- r-i LP rH c^ CM \D CM t^ CM LTN rH NO CM s ic ^ • o ' • O • o • o • o • O • c O « — a. t- o • o • o o • o O • o o • o o • o • o E CM L(^ ir> fv. ^X) t\ o ON c^ o J- ■^ CM UN \D t^ CN NO LfNlr~- C^ SO uSr^ J'o • o • o • o • o • rH • o • o • o • c •|o • • o2 r-l • r-i r-l • CM « CM • r-t • r-t • »— 1 • r-t • rMl • t-t ft • Ul o o o o o o o o o |o ^E-5 CT- C^ t-t CTs J- o r^ CM J- C^N J- c^ ■ l-t CJN 9 3« • C • o • CM • CM • o • O • o o • f~t • CM • CM • o » o • t-t • o • C^ • -d- • J- • J- • o • o • o O o o o O o OS t^ o i-i ON OS CO c^ I-~. r- ■"K ■ — r=^ i *■ • • • • • » • • • • \£! \o t^ t^ v^ \D \0 t-- ND \C NO NO 9 M^ Ills: \D l-t o C3N a\ CM CO O J- • CO 00 • • • • • • • • • " 3 °CJ cH c^ UN in CO r^ CM crs CTN C^ ND CC (r\ o^ Jd- LTN c^ CN CM rH CM C^ CM CM ■« o CM cc J- C^ CN ^ UN CM o CO ON r-t '^ ON ON o CO t^ O ON t^ t^ f^ CO > V oS S^ r-l r-* r-t E t^ t^ CM ir\ LfN CO C^ O OO UN r-t •» O • • • • • • • • • • • o o. o r-l f-i 1—1 CM t-i ON r^ r-t OJ » E • r- o o o o r-l O r-t \J\ \^ o CM LTN rH UN O NO o j-i o CM ir\ C 9. o - a !£ 1-^ o CM O CM ir\ r-iJit r-* ITS >-* CN r-l r-i CO l/N CM CM ^^ Cr\ ^J- ^^ OTi E a- \aN \.j3- \ CJ ^ ?5s ■J i I ? - -1 5 3 C B-208 < a- ^ "S o cc "j V) lO 5t O (n w < z < SI.* 4 I/) 1/) o 10 s? w s 3 !9 00 in CO s 3 I/) o in C/1 O to xn o E 1 c •: V. « • o • CM ^z K O C \L - a. T3 CM a) o t^ • o2 • X. * ac o X. t^ ^:.4 »-* oo GO CM CM CM us CM vi> m r^ w-^ »^^ c So • O c o o « I o z a i-H r^ OO CM US «-H CO en UN CM CM cn J- O J- CM CM SO CM OO o OS O OO rH rH o rH ?? 0~s CM rH Per- cent •od - lum OS J- o CM 5^ SO J- S (TS J- CM UN o CO ON Csj ON _ -o Mi E r-l o ■ « 'O a. rH C^ °° 2 S.c •* CM i-t J- ■> o • o • £ o -° J3 c tf ^ a. CsJ c o f^ rH r~J " r-l • O] £ • O • / £ o Ol o r-l o e a. 6. J- o a. «i2 • 3 ill o a: o ON • O f-* o • o US rH o • o ai 1 3 1 o UJ vo ts o J- us CM c*s so' OCj cn, o r-^ O so fs o u^ \r\ o ON c> OS o t-\ I-50 o rH o CM • CM • r- i rH • CM rH • CM rH • CM • 1= i° s m CO • cn CO o « o OS • rH • c V 3 t-> 1 •-,, X CD CI s o CM J- CT OS US o o J- so J- so o • CM o rH • O rH <0 J3- O rH o 0^ OO CM ^ ON CM CO ON rH J- CM ON C O < o O o • rH r^ • rH r-i «-• -^ o o o 1 cc O o o o o o o o o O O O O o o o O O O O O o o o O o o o o o O o o o o C3 • O • C Z 5°^ o o o o o o o o o o o O 5 £ — g OQ CNJ u> so r^ CM J- r-t rH o d?^ en 2i^ • • • o • r-i • J? *^ c • • c • J- • J- • c —3 o o o o o o h • CM NO tM • CM r4 ^ O o St OO CM CM rsi US u> f-H C^ us us ON • ON o t^ J3- OS o5 o rH O CM* • r-l • • CM • CM • CM t^ • o ^ • o J- • o J6-5 J- DO -=^K Ni3 r-4 OO •H r-^ us \D ^ rH pv^ ?if • ^> • ir\ rH Xy OS • OS • \o • 2 o o O O o o O E oo ON so o o LT. tS u\ J- o /^ UN '"S • • CM CM CM r-< r> CM C^ uo LT • • • • o" CJ o o (— < r^ o f-< i ^ • • rH • CO • « r-l • 1^ • CO cn • CO 0-N • 1^ • Ox • u " OO & c - — (0 o E o • O rH CM • OO cn \o rH CM J- ON NO • J- • OC ■£ a-. o o cn OC J- J CM us UN us T» o en 1-4 o J- o ITS O o CTS CM f? S? so J- ?;^ CM ¥1 St 5^ r-* *-» rH rH rH £ CO o r-< t~- #H o o J- o OO o f^ o a • • • ft CN OS O o CTS CO o -H "-« CO so 2> J- o ON r^ J- J- .Ss us t^ r^ t^ tv t^ VC UN ITv •) C^ <^ o PS o C^ J- J- n J- o O ?•« o us lf\ en V c^ rH rH rH t^ f^ CM CO *-» c^ r^ ft i-t r-* rH rH CO zr CN ■■ ^ CM 9^ »-• O .11 o ir\ o us rH O rH O SO O CM ir\ rH O US SO UN (-H O CM O ON S^e ON <7i ^r^ \ CM \ rH ^ Csl us rH \£) rH r^ rH OO rH ONrH ^•^ rH r^ w-\ r^ O 0. o • H ^ S^'O e o S • o ■; o 1 i^^ f e — ■".= o E a ° c o S r^ _ ■5. o» N 21? £-,° S M t B s o g « 2 • It I o ^St ts E 3 |6i 1=1 a " o • ECO . t mt o 1 * - o ^ °x u s *Bg 4 •o Jo5 M s •■= * ^ S cnr £ o • ^ c - .-^ 2 ?t:- ? c o « ■t; c »- o ° • ■o (= \ ^s • E 3 o • H^-t ^ o o 2 t C F • E 6 (o ^ C o • O 1 4 2 C O A U tl • B-209 I •a t- < LlI o CO CD O CO >. < z < T» w W to W to C/l cn W 1^ < g tn CO 3 c5 to s 3 B E E c • , ^2 " X C CM IS. ■H • 2: ^ E r-- , . E OS 5|^g CM t^ o^ CM c^ O^ CO UN NC CM rH rt .>£ 00 00 Jt f^ f-i PN CM CN J- zS CM C^ \o \D 0^ \D rH ^F CM so CM i-i ON VO J- CM X a ,°s r-- rH (TN r-* ON 00 r-i r-* t-* -c ' E J- a~\ J3- t-i CTN rH ^^ (JISo- jd- l/N 0^ ^ ir\ J- IfN D.s- solved sohds in ppm b 5 ON r^ ir • £ < 3 • * "Z 3 b. C N C s 00 r-4 • • • • £ o ^ ^ r-i (D XIM 9 3 << a, cu a. 5^ ^1 c VO CTN CM CM UNI CM C^ c rH r-* iH °l '•H • • • • c o E (-1 n r~i <-) (-1 V • J- CM CM r^ E u. "^ fi? • n vn VD CM O c > iii • • • • U ?;; (TN ^ ON CO CM cr>l VO ON r-i JU- CM CO t^ J-Uf Ed t^ CM IfN VO ^O J-^ J^ I^ i^ u^ ir ITN i-H • r-t • r-i • I-i g rH r^ ^ ^ CM UN -3- rH J r-i , - P ^O CO t^ 5; • w .^^ic < CO • VD • iSn" t^ CO ON CM 00 .Tt CM CN 5 ON C^ S ON ON rH t-i ^ ON CO COICM M3 Jt UN ft • r-t » • 1-* • • ^ .—) rH CM CM rH CM CM CM LTN CM UN rN \D CO rH CM to ON r-i rH rH r-i Is -^ ITN C^ Tt CO ^D ON ON C^ l(N ON r-i ON CO UN CM « 52 r~i tH rH E C>J CN rH ir\ t^ rH ON t^ r-i C^ ON • • • • • o a t^ i-i t^ CO vo t-i t^ UN \o Eo* l/N J3- CO CM VO ON CO \0 Cr\ ^S UN LTv \S\ ir\ t^ \D 00 t^ VO • ir\ ,? u\ ir\ 6 ir\ ITN ITN C^ (T\ CO CM ^S, C^ a\ o»- >-^ VD t^ r-t CO rH ON r-i r-i 0. * £ ^ t J ? 1 II t o S 1 ■B 2 _ o «* D U • £ o| a c S S. VI ^ |ai ° u • Ego 'i: o £ 1 * - ° "i .:2 • ." s c ^1 c !° := — " V o D E f (S B-210 t- < UJ Z) (/) 1(0 4 U. t- O a u >■ — >. m i/> in t/) CO CO w U) to u> M at m (0 to = a 3 3 3 3 3 rD 3 3 9 3 E E Sc • • CO °z v^ • M C CM ^ (L •O VO J o w* • o2 • £ CM X o <-■ X VO ■ • E ir\ f^ O ITN CO O OO CM VO CM J- o :'i^l «H CM CM • •^ „ oE zS C^ CM J- o o J- If VO J- CO J»- CO °E CM o CO CM O Jt OV c^ VO OV UV ^ X o ^S ir\ ir\ CM CO CO CM CO tr\ uv UN UN ii-l rH J- «-» CM J- CM rH CVI CO CM CM CO aSl- rH iH <-<« r1 •-* ft ft iH r-« r-l rH rH _ w »E ff' O 1^° s s? J- OV r-4 CO ^ o o • • c 3 o o « * rH c < rvi C o u* O O iH CM • O O o -^ • o « o • • o • o o o O J- J- O • 3 o • 0. Hi. o a. Ou s? J- rH -O f^ CM wffl c § 8 CM o o o 8 « f* rH 8 8 CO o 8 O o o o" • • • • • • • • • • • c o e (S — .-I rH rH «H 3-Ou. • o • o 8 lj_ '-~' r4 o • O • « a. CM o ft)'~ O o rM o ^ - oO i • o • o M c 2^2 t« o • o • i a w o > >ss o o , ^ • 3 « u> • O • o o • c^ o «Vi • O OO • s o • s UN • % ":k u^ • & UN • & !■?§ p rH • Ol • o • o • r-l • r-l rH l~~ tv CO J- ITS « r4 fM CM N us «i ae vo o\ u> ON CM J- J- VO r> VO CM 3- J- VO U> ON VO O VO iH VO o u-oo 1 3 C IIS « • o • • o • o • • • o • • ft • • o O o 1 ■< § o o o o o o 8 o o 8 8 8 o o 8 o o ■°s° PQ o • o • o • o • O • O • o • o • O • O • O • o • o c 2 5°ii e o o o o o o o o o o o o ir f-H \r rH psJCM J- ft J3- iH Q to CO CO S E- • o • o • o • o • o < o • o - 3X o o • o • o • O • -3 • r-1 • l'- d o o o o •^o o 1- ■-I (^ 1 VO ir {^ o OV ^ o t^ & ^ o CM J- CO J^ OO {V. UN UV cola- •1 = • ^ • I-* • o . o • »H • * r-t • 1^ • ft • fH • ft • ft oZ r> • c^ • »-( * CS • CM • »H • CM • r • c^ • C^ • c^ • rN • c/»~' 1° o o o o o o o o o o O -11 •-•W' C^\f\ VO o VO ^ OS vO CN r^ •H CM • CN • CO • c^ • CM • «-« • #H • ^ JJ- • J- • C^ • CM * rH • rH • UV • 2 o o O o o o o E J- o CO UN CM ^ OO d- t^ CO -=r t^ J- p P"? iH f^ *-» Vi3 • CM • 3- • a- • CO rM t^ Oy • • ir> • OO • OO • t^ • • U o o o o o o o I *" r^ UN rH CO C^ r^ to J- UV u\ CO CO • • « • • • • • • « • • i^ ^». OO • f»^ *»«v f^ ^*^ »^ f^ f^ I^ t^ r^^ OO 1^ J- • • OO • rg l^ CN VO o ft CO »> ^ o'*^ f-4 r* UN l^ t^ ir\ aj r-l CM CO CM O v> S E o <-i r-* r-l fH fH f fH ■o ON VO O CM o o 8 8 Ov s s §; UN Ov OO ON St s? r-i ^ *-l t-* rH o J- «^ OV OO VD OO J- o ON ^S CO Jl jr irv VO VO VS t^ VO VO UN .a- >i "c E 5 R CM CO o o O R o rH ?v rH VO O CM -l OO o VO J- rM CO SP -=* r^ CO ^ J* \ CO ^^ UN 1-1 rH •V, N ^V ON ■^ r^ ^ CM ■^-H ^& \ O ^^ o O r-l ft o CM CO o •» r-l r1 CM iH CO o J* 'H ir\ ^ VO rl CO f-l ov fl rM •-• ^ r-l ft ft & o 4 _l m a : a. 9 I I 9 m ^ 5 s o » • i 6 ^ o ^ u. ^ 1' 1 U a o p e -- = DO" E 0. o i : tg so* = ; = 5 ^ O t M o u • 1 o: • a c ^ •g o^ o E a g £ a o • o o » ■t fi« 3 T. '^ £ I?' u •• n >.x *• < O u ■o • > IS • M r >* tn r f o a b « • s- o c ?s c 5 g o c c o E 3 « ■o t •o ta % E o « o ScS s. 3 A r> o n O D K *• • -E E E kS I E o C O o s (5 c c < ?5 1 O A u ■o • «. B-211 on UJ 1- < ^ ^ UJ a o o « r? a 4 ": >. III 3 u 1 CO -1 m , -^ < ^ > 1- o ^ _] 10 ? LU t^ ^ s _l " < z < >»" lO t/3 w in (A to to to to to "1 to li^ o S s ^n to ^ ^ S! R S ^ S5 < 3 => ss 3 n = » 3 s = s s i • • *£> w< rN >i ° c3t 2z TJ • 3 <^ -< o -Q. • CM SC '^ X ' .^ = E o 1 ■- S o JS- -a- c^ ON NO It i-k ^ 2 CM • o -. O o J- It o CM e^ ON o o lA s _ "^ OO CM It tN, rH CM 2> t^ o « ITS eg c^ CM CM rN UN J- lf\ J* J- I S ,!?- ti^i CM CM UN ^ ft JJ- C>N c^ UN 1-4 rH i-l ^^ f-* r-< It rH Q.5 O- T3 » E tV CM J- € E H <= 3 iH 4 :;i O •< 6 c (^ OO o c! 4 o o • o ^ c • • o ,; » o o o jzt ■ ■ ^- o 2 • c SA SI SI C o o g CM o o o o o i-l it O^ O o g ^ ^ rH c o o F 5B '31 • o • O • o • O • • o • O « • o • P • o o , M r-4 .-1 o o • O - , « O . o • « u. "^ < o o V U) o o CM O o. v> 1 a ** • o • o M c i2- a o • o o o a. o > 3 f: CM rN o CO o IT • o -a- • l-t o • f, • s IN, • g ":€ NO • & o • « ":s • & « l|5 o o o • It • o • o • It • CM • CM • rH • i o o o o o o o O o o O ac c*> ITS OO o ■ O • c ■359 u o* • J- • (S°sa z o 3 1 •-« ec OO ^ o vO ir <^ UN it ^J VX3 o< fN, ir> • J- UN ^ ON CM UN 1 h NO o ir ON CM J- ^ r^ UN • CM a- • "1 UN • IT' ON • NO NO • "T. '^r. 1 c o a (H O o o o o o o f-H it f l-t IV CM -r (-( J- It ■3- It It CN • • o • <-) • o • o • o • o • o • o • o • O • It • CL o o o o o f° u £ rH rN ^ J-N5 rH ON ff\ OO »< OO CM o CM J- OO f^ • f^ • o • o • o • o « 1-1 • • • It • It « CN • • "" ^ o c o o o o o o o ^6 r7- — ^ CD— a* sn— — OCT (^ -r^ ^T— — r; 5ir- f^ r=r- a- JE-S • it • o • r^ • c<> • m • CM • rH • o • r^ • Cr> • • I-- o o o o o o £_ J- o PN rH u\ CM • CM CO • If • PN J- • UN It ic • • ir> • a: • OJ • fV • o o o o o o o c^ C^ fH (^ C^ C^ e^ l/N t~~ ir\ C-N c^ • • • • • • • ^ %4 t^ t^ tv Cv r^ t>v t^ «v t^ t^ l^ ^v tv c^ UN C^ • • • ?? 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CO • 1-1 c c c c O +1 o \0 cv O^ rH I I m c> ir» C +1 rH • rH rH CV I I m o^ C C r^ in r-i CM I I in CJN O m C^ in + 1 + 1 C tX) rH CM I I in OS C m ^- in +1+1 • • o c rH CV I I in o~- 3 cr CO o >-) a a CO t30 cv Q) > •H 3 cr o •-5 c CO CO 3) m cv > ■H G •H cr Q) as > o •-3 c CO CO Pi c •H 3 ^H cr 0) 3 fn cr o o • c o +1+1 m cv . m C • c o . in c +1 CNi o rH Cn! rH CV II II m OS m OS m XI M o CO (Q to c x: r-\ c O 0) (0 •H -P -H o CO -P o 05 CiD -p r-i J3 T3 o Oh a EQ T3 o s M C •H J a; -H TJ 1^ -P C to O Q •rl CO |S C ^ c •H 3 fn cr o >-3 ■a B-,262 c; a a c CO a CO CO CO CO CO CO \D ^ >n C- cv cv cv cv J tf% a c <" + lc -o nO J? • c cv lU -J en < /> Q£ ^_^ lU VfN H < • o lU " — U s ■< o u. l-H Q£ o 3 s U. >H o a >- hj ^ o 3 < W OS o o KO c c C +1 l/» c +1 cv CO rH Oi I I X! -p o S en CO rH tH CO O •H > CO oJ +^ CO CM o o o c c c Si o o to ca tn 0) •H > <== d CO oi +j CO OS vO »ri »fN • • C <■- *.' Cfe'^ iH • • C o o o c o o o o I I o -p CO •H O >! (D 0) U O >> c o -p CO O C O +1 o o r-i r^ I I o u 5 o rH a cS rH O C O O C C tH CV I I I u CO 1 c CO ID Q) ■n •rH ^ (1) > c O O c. o +1 rH CM c c • c^ • in + IC c +1 CO rH CV I I o c o c o c o c vO rH I I (D i-i ,-\ •rl > :2 r^ CV B-263 c o o c -lo nO O C ^C r-i I I (D •H > CQ -P CO e CO u > rH CM HI .J to < lU < II. U. O < O o Of sO o 3 o Eh O J a < -o ••• o %/^ — o ^ o «• a. — < -T3 o. _> 10 .2 o 1/) *z M 3 U o o ^ u — E 2 (J CO fi -a •^ o UO — o « CO -o 0) _> o w w o , o «m ■So Q-^ ^ o 0) Z E o V «/> d d «5? ^ c e VN to <*> c^ -<^ • • • • • c c c c C. c +1 cv e c +1 o +1 O +1 +IC (7^ m o^ ITv 0^ >j -P rH 0) -P m to rH rH •rl •H ^ •H rH O > fn > •rH (D O U > (D 3 0) 0) P^ O c T) ^ o O o -p CO CO o •1-5 X! x: O to f-l ? •H CO CO A •H :i ,"' {^ CD e-i f-> E-< > CO Pti U Pi Pi « (D 0) (D Pi > > OJ Q) (D > > 0) •H S O o O •H •d > Pi ^ x: XI o:; !> C >! >J 0) 0) CO CO CO y u ^ ,i< ^ •■-5 ••-J CO F> ^ ^ ►3 ^ as ^ S (7^ 00 c~- t> t> c- r-A cv r^ r^ f^ nO vO t-K in ITv B-265 J CL < -a o vo o -& — < 0) -o a. 0) _> lA « o 1/) ^ M 3 U O o w u 'e 1 o u o 0) CO ^c -o •^ o «/> — o "5 CD TJ 0) > o vt z E o a> ^ uo d 6 «5i z r^ !>- nD r^ • • • c c c +IO + lc + lc m t> f-l • • •sj- cH e • c c vO (0 •H CD ft CO O O o c o +1 iH c c c c c c o NO c + IC o + IC c o o c o + IC CO c c o c c cv sO c c +1 c c c c tX) • o • + 1 c o C +1 c c CO r-i c c c c o c vO vO ITN v£) m f- t> -^t £> ^ iH rH rH iH 1 1 m O^ ITv ON m a^ ITN O rH r-\ I I rH rH I I CO C o >> •H U -P (0 CO T3 C C U 13 0) o +J PQ C t4 Q) O e XT* O -P O C CO o •rt (U CO C o vS x: -p >> pa > •H O TJ CO U O rH O o o vO B rt Q CO o rH 0) u o s a) > •rH o CO o rH o O 43 IPs a CD Q U CO > •H cc: o CO U o r-i o o Id c o N •H CO U - C < ^ O O N «< O -H m P. h s o < 3 H >H ^1 tl (B (D > > •H •H a; BJ o O T) T3 CO CO u U o O rH rH o O O O u ' CO rH TJ C C 0) O -P OQ in > •H OS 3 2: O C rv • • • C +1 + IC C +1 • • c 0^ r-i • CO rH rH rH rH i> -v^ ^ -f LTv O^ in cjN LPv O IPi OS CT) U i -p (0 0) > •H 3 (D CO e + 1 J> vO r- CO CO o o c^ -4- vO £> • • • • • • • • • • • u^ ITi in in m m m in 00 in in C +1 c + 1 c + 1 C + 1 C + 1 c + 1 C + 1 c + 1 + IC c +1 + 1 rH IfN r^ r-i m c^ in in vO c c CO CT- rH r-i cv vD O r>^ o^ (^ r-l • • • • • • • • • • • f^ O v£> CT- o^ CNi O c CO c^ r- -J- I CO c o ■p rH 3J 03 a 00 ON +1 +1 rH • C CD + 1 c +' ON . 00 + 1 +' ir\ (^i . 00 lA o ^ u u Q) fg -P OS 3 (1) CO CD +J o +J en o •H -p (D ^ 03 '^ 5 (0 0) ffl © 3 > 3 5 -P cn -p a: •H -H ^ 5 CO n£) 00 B-267 4 UJ CO < UJ ^-v < U Q£ 1— 1 t/» o U. o S >- < «/» < < F-" o S o O 0) E o i5> o o 00 to c O o • • c + IO O +1 ■ c • • c • c +1+1 C 5. c c c o cv cv o o o o c c c c c C +1 + IO c MD -4- -4- • o c • r~ • r^ • • c^ • vO iH o t> r-i m + 1 + 1+1 C C C +1 +1+1 rvi O in to t^ c o • c o • c • c- • • p^ • OJ cv tXI nO r^ CM CNi cv iH C r-l + 1 +1 ITv -vj • • c cv c + 1 c (^ C~- u^ I> - £> o un O^ U^ ON m o u^ a^ ir\ iTv o c •H iH c o 0) o Fh •H O > > O o CO CO •H CO •H CO •H Q) +> -p Pi +3 CtJ ■P Ec; g 6 ^ C c c c ^ ^( ^ CO CO CD CO 03 CO CO CO CO CO 3: 3 ^ ,Q t> O m B-269 /» D£ UJ H ^^ < o » c- lU o OJ U s pi UJ < u. 3 o l-H _l i/i o 00 < 1- u. o >- s < w «/t M (/> ^ < o s «: o en < oe o a. c c o c o c E o 4) C o o o c ^ sD l-H o o^ vO sO VTv • • • • • c c O c c +1+1 + 1 + +1 -4 VPl cv c r^ • r^ tX) c- CO cv • • • • c c c c CNi 00 • • -4- • • r-{ c +1 + 1 c +1 + 1 • c • CO • • r<^ C C C O C C C C •~D M o ^ C & cS o •H CQ o ^ o CO •H s o u Q •H o s CO XI S M Pi Q a rH U CO T3 rH rH DC U o 3 CO >» Q) ■p •H CO O O ^1 f^ t. T3 ^1 hO CQ Q) a S > "S 4J en •H Q (V a •H CO « O © > -p o U C •H c C w O CO CH CO CO W OO CO CO o r^ ir\ in cv iH vO sO vO vO m B-271 o M £ ■< a. (/> a >■< in a a t Plata B.1 1 1 1 300 - -- 250 - - 200 — -r ' ;::-i:"::i+_::::.._ i^i t __7:\.5.../.i.. jr\ % A+ j.\X—l—^--4--\- --— / -^i / j_ iJ-v-1 .z 1 " h\:7- ^;-^-/ + .--. J \ , i -V— 1^ -r/ ty 50 -- - -p ° ii.^-iiJilllJiiiJl!tlisiJJlillU:i5iiiiJj.'iliiliii = S;-llsliliil 1953 HSU 195! '?5« 1957 QU4LITT CHARACTERISTICS Of tn. RIVER NEAR MoCANN (STATION 5) g 300 OS u 0. 250 - - - - P_ _ _ _ s - _ _ _ i 1 ^4 ^ J ,eo _^C2v- *-:^ -J - JAiJ/.\/^I U Xr* I. \ I "^ jL,X-,4—A-Mi4A\ - 1 -\n—-r\- i 1,. ..^,j...lhl± I rX-^U 1 / '' r^ ^ i 7J~L..lVz_LL±_..lL4t 1 fj " y V 07 ,'7 ^ l?^ ^ -^ CO ^ __ _^_U g 50 - •• n I ..... . 1 < J.n. F.b. Mar. Apr. May Juno July Auk. Sopl. Ocl. Doc. J.n. F.b. Mar. Apr. M.y Jun. July Aug. S.pl. Ocl. Nov. Doc. Jan. Feb. Mar. Apr. May Juno July Auk. Sopl. Ocl. Nov- Doc. Jan. Fob. Mar. Apr. May Juno July Aug. Sopl. Oct. Nov. Doc. Jan. Fob. M.r. Apr. M.y Jun. July Auk. Sopl. Ocl. Nov. Doc. 1953 195»» 1955 1956 1957 aOALITY CHARACTERISTICS OF EEL RIVER AT SCOTIA (STATION 6) B-273 Plat* B-2 § 300 E a; £ 250 10 & flu a i 150 ^ 100 ^ 50 o --a^ ^e^ L _^ /^ y\ r \ ..— ^'TI / \ J ^ i/ ^ / r- L ,^::::^ .^y.V- u "\y 1 /Y f J s:^- \ 7 tr ■* I f^ J, f T _ . i:?iilllll5Jlilllli|ll5Jli Fab. Mar. Apr. Ma, Juna Jul, Aug. Sapl. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. Ma, Juna Jul, Aug. Sapt. Oct. Nov. Dae. Jan. Fab. Mir. Apr, Ml, Juna lul, Aug. Sapt. Oct. Nov. Dae. 1953 195'* 1955 1956 1957 aUALITT CHIRACTERISTICS OF la. RITER, SOUTH PORK, NEAR MIRANDA (STATION 7) SB 2 «v. _ _ w >XJ - — — - - — — — - JC - I "^ ,5 - JT T = "::::::::::::::: f \'i 3 10, -, f^ - » I 4X1 V h L I "^ /i/X-i^—-.—^ t-h -A— J-U-c.-Xi--/:. i >„„ ..--X, E/::XjI,— J I\ -'V v'X^ S:/.. ? \1 T \.] V -s/ -^ » - V J en - _ 2 50 _______ ___ __ n . . i c Ian. Fab. Mar. Apr. Ml, lune Jul, Aug. Sapt. Oct. Nov. Dae. Ian. Fab. Mar. Apr. Ml, Juna Jul, Aug. Sapt. Oct. Nov. Dae. Jan. Fab. Mar. Apr. Ma, Juna lul, Aug. Sapt. Oct. Dae. Ian. Fab. Mar. Apr. Ml, lul, Aug. Sapt. Oct. Nov. Dae. Ian. Fab. Mar. Apr. Ml, Juna Jut, Aug. S.pl. Ocl. Nov. Doc. 1953 195'» 1955 1956 1957 aUALITT CHARACTERISTICS OF KLAMATH RIVKR NEAR COPCO (STATION 1) B-2T'+ O 300 X Q a. V) 290 a (/) I d 100 vt V) o PlAt« B-3 1 J fl i / \ —\ \ f^ I \. ^N V — —J #■' \ k / / \ ^ 1 V s / / y A f ■V »_ ^ / V , -^ r \. > ^ ^> y 1 \ f N. •^ s J f ( / ^^ / \ ,--, s/' l\> ^ <, J \ / Fob. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Fob. Mar. Apr. May June July Aug. Sept. Oct. Nov. Doc. Jan. F.b. Mar. Apr. May June luly Aug. Sept. Oct. Nov. Doc. iiiiil llllil 1953 195'» 1955 1956 1957 l^po X. 2 250 V) J200 a to M 5 50 QDALITT CHARACTERISTICS 0? ELiKATH RI7ER MSAR ILJMATH (STATION 3) 1 i K K. „. t ^ i_\ ^. i\,X—V-\ A-\ /-t .-J- i.^...iXt.---i--X/-X-/--\---.-l---- ^ - - /.ttJ-T-'^^u- -XJ.—^- -V- '' - - Sd -'.^ ^y 1 Jon. Feb. Mar. Apr. May lune Illy Aug. Sept. Oct. Nov. Dec. Ion. Fob. Mar. Apr. May lune luly Aug. Sept. Oct. Nov. Doc. Jan. F.b. Mar. Apr. Ma, June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May lune luly Aug. Sept. Oct. Nov. Dec. Ian. Feb. Mar. Apr. May Juno luly Aug. Sept. Oct. Nov. Dec. 1953 195»» 1955 1956 1957 oualitt characteristics or KLAMATH RI7ER AT SGHESBAR (STATION 2) B-275 Plat* B-lj QDALITT CHARACTERISTICS 07 RUSSIAN RIVER AT QQERMETILLE (STATION 10) 1^. ^ u 1 w •^ -00 -- - __ _ _ _ _U .5 "^^ T ^ , :::. :::::m / -\/-t - K l--—t IJ. lu. / I ? u 1 . V t I :4 CO \ _J . 'iiillllillJiiJiljIllllJiilJIIIllliJijjiilJlll^Jiiiiillllllii 1953 IJS"* 1955 1956 1957 ODALITT CHARACTERISTICS or ROSS UN RIVER NEAR HEALOSBintt (STATION 9) B-2T6 Plat* B-5 M «no _ g"^ ^t MjB) __ _ _ it E ■< "•-00 ------ - _ __ ^200 -i- J _ ___ f''" i :::::::r::::::::::::::::::::::;::::;;A iu» ^A===.^::\=«v^^==^-^^:i^-— ''^ t.''\./ \\-.=-=. 1 y/ V \/ T 1 '^ A_ ' < J.n. F.b. M.r. Apr. M.y Juno July Aug. Sepl. Oct. Nov. Dec. J.n. F.b. M.r. Apr. M.y June July Aug. Ocl, Nov. Dec. J.n. Feb. M.r. Apr. M.y Jun. July Aug. Sept. Ocl. Nov. Dec. J.n. F.b. M.r. Apr. M.y Jun. July Aug. Sept, Oct. Nov. D.c, J.n. Feb. M.r. Apr. M>, June July Aug. S.pt. Oct. Nov. D.c. 1953 195^ 1955 1956 1957 aaiLITT CHARACTERISTICS Of RDSSIiN RI7ER NEAR HOPLAND (STATION 8a) 1 ^ a '" Z S ,cn - - __ _ - 0. 250 - - g g MO -t I '" : CA :"':::::;:!::]::::::::;::;:::::;z\:z, i ^ "VIZ-.. .- \-. H v_.:::^, ,,^.j^.L.,==^. a 1 50 - — - - - — - - — 1 c J.n. F.b. M.r. Apr. M.y Jun. July Aug. Sept. Ocl, Nov. D«. J.n. F.b. M.r. Apr. M.y Jun. July Aug. S.pt. Ocl. Nov. Dec. J.n. Feb. M.r. Apr. M.y June July Aug. Sept. Oct, Nov. Dec. J.n. F.b. M.r. Apr. M.y June July Aug. Sept. Oct. Nov. Dec. J.n. Feb. M.r. Apr. M.y Jun. July Aug. Sepl Oct. Nov. Dec. 1953 195'» 1955 1956 1957 QIIALITT CHARACTERISTICS OF RUSSIAN RIVER NEAR OKIAH (STATION lOB) B-2TT CL. 5 B c- o Plat« B-6 ^X) 100 - -,^4^^^ ^-'-^ ^^ u-^^^-'";^ / ;^ ^°° ,^ '^^ ^^^-^-^^ ^/^ V-^---^^-' -'c--'^- ^ ^ -- - - - — - c Jan. Feb. Mar. Apr. May June Jul, Aug. Sept. Oct. Nov. Dec. Jan. Fob. Mar. Apr. May June July Aug. Sopl. Oct. Nov. Dec. Jan. Fob. Mar. Apr. May June July Aug. Sopl. Oct. Nov. Doc. Ian. Feb. Mar. Apr. May Juno July Aug. Sopt. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. 1953 195'* 1955 1956 1957 QUALITY CHARACTERISTICS OP RUSSIAN RIVi3l, EAST FORK, NEAR CALPELLA (STATION 8) § S.250-- -- -- S5 ^ _ S "^ VI ^ 150 — -- 3 inn X— — — .av. cii ^^ _ ""^ _ U \ -,A - 1 ,--'- ^- --.'' \^' . ,i..i:^....^-z=i!_^. g t ^^y ^ ^^^ g 50 — - — « . . _ _ . 1 _____ £ Jan. Feb. Mar. Apr. May Juno July Aug. Sept. Oct. Nov. Dec. Jan. Fab. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct, Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Juno July Aug. Sept. Oct. Nov. Dec. 1953 195'« 1955 1956 1957 Q0ALITY CHARACTERISTICS OP RUSSIAN RI?ER, EAST POHC, AT POTTER VALLET POWERHOUSE (STATION IOA) B-278 as o PL. B in B i S o •< o Pl»*« B-7 ^ _ ^V A ,0 ,i\ , 7 \ r\ 7i" Z-5 ,c'.:\ __j : _:.r::::::^ : i: ^ ..—,;—A.-__ 7.... ,...__ ,__.t.,...X-i-t -,^ V .--i..___L,_ 7 -i__t....L?u 7 ^ t/ - 1 ho _ _ _ i:!iillllllJiiJ^|j||lliJli3illlllllJilijlilllllili2jlilllla^ 1953 195»* 1955 1956 1957 QIULITT CB/LRiCrKRISTICS OF SMITH RIVER NEiR CRESCEMT CITT (STATION 3A) T § -j- + ^300 s __ _ _ -. _ . g,^ T * 250 " - - - - |- - - -- - - a. a 200 — \ ________ __ _ lA _ s g 150 -- ~ A ~~ Q .__ _A c \ ^^.- A- - ij ,^ j_ _ ___ y V ,a^ ly —X '^^ / \ __ _^ Li ^ .. / ^^ ,^ ^.' ^v' vrzt / ^ i ^ :-_:::!::::::_:: ::::::::::t::::::tTt/:::::::::7:::::: 1 ^ c Jan. F.b. Mar. Ap^ Ma, June July Au,. Sept. Oct, Nov. Dec. Jan. Fab. Mar. Apr. May June July Au,. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Au,. SepI. Oct. Nov. Dec. Jan. Feb. Mar. Apr. Ma, June July Au,. SepI. Oct. Nov. Dec. Jan. Feb, Mar. Apr. Ma, June July Au,. Sept. Oct. Nov. Dec. 1953 195^ 1955 1956 1957 QIULITT CHARACTERISTICS OF TRIHITT RI7ER NEAR BOOPA (STATION I*) B-2T9 s g a. v> 2 (0 e s in M a t Pla-U B-8 300 - - 250 - - - — _ _ _ 200 ~ ~ - — "" ~- 150 ~ ____ - ___ ^nn - - - --,* /! k- » _ C S, _ .;i :!l L-^,^ -....^.4 ^ 'V.'--^ V c Jan. Fob. Mar. Apr. May Juno luly Aug. Sopt. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. May Juno luly Aug. Sopt. Oct. Nov, Doc. Ian. Fob. Mar. Apr. May Juno July Aug. Sopt. Oct, Nov, Doc. Ian. Fob. Mar. Apr. May Juno July Aug. SopI. Oct. Nov. Doc. Ian. Fob. Mar. Apr. May Juno luly Aug. Sopt. Oct, Nov. Doc. 1?53 195»» 1955 1956 1957 aUAlalTT CHARACTERISTICS Of TRINITY RIVER AT LEWISTON (STATIM) kk) B-28O 1200 a. 5' in a 000 8oo 600 Q §Noo V) ^200 Pla U B-9 n ■ H i / 1 •\ 1 i /" \ \ / k i r *■ ■* ^ ^ y A ( - J \ y 1 ^ r '^. y ^ N t r J \) \ ( A V - V A \ / ^ ^ f V 1 V y f \ \y / i / J \ 1 ¥ / \ I V r Feb. Mar. Apr. May June Jul, Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Oec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. 1953 l^"* 1955 1956 1957 aUALITY CHARACTERISTICS OP ALAMEDA CREEK NEAR NILES (STATION 73) r n - r "^ s^ J 600 - 1 0. 500 - to ^^' gMUU l/> — s ^ /- \ 8 300 - J z' " -s s. > r- / ^ \ J /\ _J H < - > ^ > ^ ^ y \ \ - - J. r ' 1^- *-«* ^ - pJ \ V r^ <■ > fA ^ a -^ 2 100 - -1 ~ Feb. Mar. Apr. May Juna July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Oec. Jan. Feb. Mar. Apr. Ma, June July Aug. Sept. Oct. Nov. Oec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept Oct. Nov. Dec. 1953 195't 1955 1956 1957 aOALITY CHARACTERISTICS OF COYOTE CREEK NEAR MADRONE (STATION 82) B-281 Put* PUIO § J 600 ~ " cnn - - - Ou 500 - - - W a 2 ^ __ ^'"^^ _ _ , ___^^^5_ s^ , „___/__X-± f-L—— g ^ ""ri: 17 1 4 L [. t t'" .,. r X-h — -^^- \ ^ — 1 r i^ ; r..!:^. „^:L__ :.,::^ ], ,r:._J 1"° '% / _..__' Lf....::!_ fc •A .,^ _ g 100 - -- Ian. F.b. Mar. Apr. May lune luly AuB. Sepl. Oct. No.. Dec. Jan. Feb. Mar. Apr. May June July AuB. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. May June July AuB. Sept. Oct. No.. Dec. Jan. F.b. Mar. Apr. Ma, lune luly AuB. Sept. Oct. No.. D.c. Ian. Feb. Mar. Apr. May June July AuB. Sept. Ocl. Nov. O.C. 1953 l^Sl* 1955 1956 1957 t i QUALITY CHARACTERISTICS OP LOS OATOS CREiX AT LOS QATOS (STATION 7^^ _ i ^ _ ^ "^ g -cft _ A _ / L ^ ^ — -I I-I^ J--] I ,Lv _],,.„ /_.. : .. 1 J_ T.__Z t A _.__]____7 i5__-/_-X i .,0 .Ali-X--i----i--y-- M ---S— 4- l "^ 1 i/ U/ J- 4/ 1 ; ' t ^ inn X __ — l " - - s 100 -^ -V a ^ _i •i ^ _ _ _ _ J» 50 _ _.J__ _ . _____ c Jan. F.b. Mar. Apr. May lun. loly AuB. Sepl. Oct. No.. Dec. Jan. Feb. Mar. Aor. May June July Aug. Sept. Ocl. No.. Dec. Jan. Feb. Mar. Aor. May June July AuB. Sept. Oct. Nov. Dec. Ian. Feb. Mar. Apr. May June luly Au,. Sept. Oct. No.. Dec. Ian. Feb. Mar. Apr. May lune lul, AuB. Sepl. Ocl. Dec. 1953 195'* 1955 1956 1957 QDALITY CHARACTERISTICS OF NAPA RIVER NEAR ST. HELENA (STATION 72) B-282 PUt« B-11 ° , T 1 2 600 d 1 1 e ^ .__ X o. 500 ^ y^rt _.,^t / _A_t.._.::N _____/ __L s ^ m\it .— - L.... ,— i— - ! *" ._„ J \ J Z— - - Z \ I - i ,, .f:.J. t....] 7 ,___ -___.__t_ / L^r i " / _! t y.:\t U: I T Q 7 "" ^ ^ -3 ,,^, ., ,. .,. „. , J. _ g 100 ___ _ _ _ « i c Jen. Feb. Mir. Apr. Ml, June Jul, Aug. Sept. Oct. Nov. Dec. Jin. Feb. Mir. Apr. Ml, June Jul, Aug. Sept. Oct. Nov. Dec. Jin. Feb. Mir. Apr, Ma, June Jul, Aug, Sept, Oct. Nov. Dec, Jin, Feb. Mir. Apr. Ma, June Jul, Aug. Sept, Oct. Nov, Dec, Jan. Feb. Mir. Apr. Ma, June Jul, Aug. Sept. Oct. Nov. Dec. 1953 195'* 1955 1956 1957 QtULITT CHARACTERISTICS or CABKO. RIVER NEAR CAmO. (STATION 63) A §.*« - - ^ j\ 1^ ^ h- 1"° A Ad t-sj. ,__ A L J-A t-^ 4- i - ,'-^'-'A -:--- r _ 7 ^ ; [ f _ t / \ '...... i^ .._::L-.-i..J uJ- -/ wU s - U — -u [ h-U I 1 - — a ,/ m ij_ I t I "" li S_: /_ 1 ^ T / T Uoo — - t a §200 - 1 c Jan. Feb. Mar, Apr. Ml, June Jul, Aug. Sept. Oct, Nov, D.c. Jan, Feb. Mar. Apr. May June Jul, Aug, Sept. Oct. Nov. O.c. Jin. F.b. Mar. Apr. Ml, Jun. Jul, Aug. S.pl. Oct. Nov. Dec. Jin. Feb. Mir. Apr. Ml, June July Aug. Sept. Oct. Nov. Dec. Jin. Feb. Mir. Apr. May June Jul, Aug. Sept. Oct. Nov. Dec. 1953 195't 1955 1956 1957 QUALITT CHARACTERISTICS OF PAJARO RIVER NEAR CHITTENDEN (STATION 77) B-283 Plat* B-12 ^200 & ■«< a. s a .000 800 ^too 8 'WO =3 200 A 1 I t_, :::::::::::::: X-UX 4 , ,__t_,___[j"^ /' ,^:.„-_.TI zi t___ ,^ W 7 V -- - -4 V Jan. Fab. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dae. Jan. Fab. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dae. Jan. Fab. Mar. Apr. May June July Aug. Sapl. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Del. Nov. Dec. Jan. Fair. Mar. Apr. May June July Aug. Sapt. Oct. Nov. Dae. 1953 195't 1955 1956 1957 QUALITY CHARACTERISTICS Of SALINAS RIVER AT PASO ROBLES (STATION U3A) »-'—.-_— __ — ^ Q 0^50 -- - in L -.,.„,-,.^:^-,i^,-^^ pi :^./L_ .::::;/: Lr.,=.>. T t--y-----H-----X--t----Xl 1-1 1 . ? . 1/ \1 gl50- ---,- Uf. 4 L :::::::::i:::::::i:::: ::"::::::r::::::::::::::::::::: ^00 Hi g 50 T T c Jan. Feb. Mar. Apr. M.y June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. M.y June July Aug. Sept. Oct. Nov. Dec. Ian. Fob. Mar. Apr. Ma, June July Aug. Sept. Ocl. Nov. Dec. Jan. Fab. Mar. Apr. Ma, June July Aug. Sept, Ocl. Nov. Dec, Jan. Fab. Mar Apr. M.y June July Aug. Sept. Oct, Nov. Dee. 1953 195'+ 1955 1956 1957 qOALITT CHARACTS3USTICS OP SAN LORENZO RIVER AT BIG TREES (STATION 75) B-28U Plat* B-13 1 1 1 1 r~| TT 1 1 rT~| I 1 1 1 rn l tt tt i t i i tt i i — i — l l l — i — l — l — i — l — l — l — l — l — l l i — r-i — i — i i i — i — i — r—r- as o '-^ trv\ — 1 32 ■ S -^ .r J- / \'- X - V* L'-\ 1,00 -~^--+ ti - % r ^"^ ^ t ±[1::: s^ + I it l^ \l giro- -^ - - .-2 i T + * r o _ __ ___ ' c Jan. Feb. Mar. Apr. Ma, June Jul, Aug. Sept. Oct. No.. Dec. Jan. Feb. Mar. Apr. May June Jul, Aug. SepI. Ocl. No.. Dec. Jan. Feb. Mar. Apr. May June July Aug. SepI. Ocl. No.. Dec. Ian. Feb. Mar. Apr. May June Jul, Aug. SepI. Oct. No.. Dec. Jan. Feb. M.r. Apr. Ma, June Jul, Aug. SepI. Ocl. No.. O.C. 1953 195't 1955 1956 1957 aOALITT CHARACTERISTICS OF SANTA 'TOEZ RIVER BELOV LOS LAURELES CANYON (STATION 1+5) BE O 1j1200 O.1000 a: 800 6oo Moo 200 *•>-• , A ^^y /\ i"^-1 , 1 1 ^M''"^ %; +^ ^v J /' 9 ^ ^ J j1~- .. -j|-------------;---:+;---:;-] t / t + r — -+- z_ t ^ Ian. Feb. Mar. Apr. May June July Aug. Sept. Oct. No.. Dec. Jan. Fab. M.r. Apr. Ma, June Jul, Aug. Sept. Ocl. No.. Dec. Jan. Feb. M.r. Apr. May June July Aug. Sept. Ocl, No.. Dec. Jan. Feb. Mar. Apr. Ma, June Jul, Aug. Sept. Oct. No.. Dec. Jan. Feb. M.r. Apr. Ma, June Jul, Aug. SepI. Ocl. No.. Dec. 1953 195't 1955 1956 1957 atJALITY CHARACTERISTICS OF SANTA YNEZ RIVER AT SOLVANG (STATION >i-^A} B-285 Plat* B-XU . 1 1 1 CC S«;oo -- y^ -^1 t3 y '\, r ^^A f -> «/ / /■ y -s-Tj .'^ -^ •< / I } t \ '\ i / \ / J, MOO ^ f / 1 1 y \ I \ 1 /" HI \/ \ 1 \ i / V r o 300 " - V 1_ 1 I J 1 M r |ioo - liSiz^iM^^i- lJJx4il:= - - - i u g200 7* V 1 - - - V -V I i a - 0100 - 5J CO - s 50 n c :fiilllimi- ■5IIIJIIJSII J J Jllilili J. °J.fi«ij3<.«o^olj;^-Jij3 .-1 / l --•'^ /\ Z.i, / , d-^ .^ __a__.aX: / I / t--^\/ __...£,_/ _____\:.^^.— \;:^:!-::::^ ;____' ^7 ^v "^ V Jen. Feb. Mir. Apr. Mi, June July Aug. Sept. Oct. Nov. Dec. Jin. Feb. Mir. Apr. Miy Juni July Aug. Sept. Oct. Nov. Dec. Jin. Feb. Mir. Apr. May June Jul, Aug. Sept. Oct. Nov. Dec. Iin. Feb. Mir. Apr. Ml, June July Aug. Sept. Oct. Nov. Dec. Jin. Feb. Mir. Apr. Miy June Jul, Aug. Sept. Oct. Nov. D.C. 1953 l??"* 1955 1956 1957 QDiLITT CHARACTERISTICS OF hatHjIJa CR£a above hatilija dam (STATION Itp) r r 1 1 1 1 - 1 n IB 31200 - S "HOOO -* 13 n s — ^000 --- ^ ^ — ^ g 800 - ■• " > \ ^^ - - <• a »3 ^ c ^ ^ L ^ _ _ - - ^ ■" - ■J - ^6oc - ^ § 5 Moo - M g200 - •- c Feb. Mar. Apr. May June Jul, Aug. Sept. Oct. Nov, Dec. Jen. Fab. Mir, Apr. May July Aug. Sept. Oct. Nov, Dec, Jan. Feb. Mar. Apr. Ma, June Jul, Aug. Sept. Oct, Nov, Dec, Jan. Feb. Mir. Apr. Ma, June Jul, Aug. Sept, Oct, Nov. Dec. 1953 1^5^ 1955 1956 1957 aUALITT CHARACTEIISTJCS OF MZTROPaiTAN UATER DISTRICT AQOEDOCT AT U YERNE (STATION 69) B-287 Plate B-1^ § a^ a: M t^iooo - is s •4 gOOO \ o •■J ^Ay\ S 600 - Ay \ , 1 r ■\ r V 8 Moo - .f'- > ^ -N '^ . J r*' ~i ^ r ^ «j / \ \t > > ^ / o -^ <: <^ Na- /^ <»^ /■ r V -V V ■** / ^. ^ >-«. -/ >v s. > P 200 - o • i ^ i II III 5 J i . ^wX^*^^' ^/ ^-- ^-^ U ** ^ k^ ' " 1 c Ian. Fob. Mar. Apr. May Juno July Aug. Sopl. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. May Juno July Aug. Sopl. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. Ma, Juno July Aug, Sopl, Ocl. Nov. Doc. Jan. Fob. Mir. Apr. May Juno July Aug. Sopl. Ocl. Nov. Doc, Jon. Fob. Mir. Apr. Miy Juno July Aug. Sopl. Ocl. Nov. Doc. 1953 195^ 1955 1956 1957 ODiLITT CHiRACTERISTICS OF RIO HONDO AT WHITTIER NARROWS (STATION k^) 1 ^ n n ■n 1 gl^ ""lOOO - V) •^ ««« _ « A 5 "^ -■\ 1 a \ s <^ /^ J / ' \ r ,1 a > r \ \ V \ V V V o HOO ~ 'S ^ ^ "\ /-> / \ \ [- > \ \ ,. 1 ^ V- r^ J '.. > 11 ^ ■•> f 1 g 200 V Fob. Mir. Apr. Miy Juno July Aug. Sopl. Ocl. Nov, Doc. Ian. iiiiWiitiii Fob. Mar. Apr. Ma, Juno July Aug. Sopl. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. Ma, Juno July Aug. Sopl. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. Ma, Juno July Aug. Sopl. Ocl. Nov. Doc. 1953 195^ 1955 1956 1957 aOALITT CHARACTERISTICS OP SAN QABRina RIVER AT WHITTIKR NARROWS (STATION 50) B-289 Plate B-18 § i^::::::::::::::::::::::::::::::::::::::::::::;:5::::::::N5"' Simi — <■. - '=-''^\ ^ iJ L i- r ^ b^-] i-—\ L- I i i5-t L— t±..\ t t-^- - f" / \t I ^- -P-J -\-t 1,00 : ::::^.:: jI.Z /^A iLij _.j g :::^::____ I ' _ __ c eiooo - -H V) O 5 SOW -- _ 1 « Jin. Feb. Mir. Apr. Miy Juno July Aug. Sept. Oct. Nov. Dec. Jin. fob. Mir. Apr. May Juno July AuB. Sept. Oct. Nov. Dec. Jin. Feb. Mir. Apr. Miy June July Aug. Sept. Ocl. Nov. Doc, Jin. Feb. Mir. Apr. Ml, June July Aug. Sept, Oct. Nov. Dec. Jm. Feb. Mir. Apr. May June July Aug. Sept. Oct. Nov. Dec. 1953 195'* 1955 1956 1957 QUALITY CHARACTERISTICS 0? SANTA CLARA RIVER AT LOS AN0QjESJ7ENTURA COUNTY LINE (IjTATIuW 46 ) - g j2M00 " - s«w, - A 0.2000 - >- 'V » 1^^ ,.__.,__^X^— /-^^5_— .^3 tV- ' i i A A K'-^ . ? _^^:^::^._'____L L_ ^-^ it, J \t^^n7Y' \\^ i ? rt/' "I ^-v— --^-^- ^200 V ^ - rJ „.. ._ _!_,..._ _„ ... . .... . . ... o 800 — — -■- ■ ■ ■)■- o 1^00 ___ _ _ __ _ ►> __ _ _ _ _ _ _ c Jin. Fob. Mir. Apr. Miy Jun. July Aug, Sept. Oct. Dec. Jen. Feb. Mir. Apr. Miy June July AuB. Sept. Oct. Nov. Doc. Jin. Fob. Mir. Apr. Miy Juno July AuB. S.pt. Oct. Nov. Doc. Jin. Feb. Mir. Apr. Miy Juno July Aug. Sept. Oct. Nov. Dec. Jin. Feb. Mir. Apr. Miy June July Aug. Sept. Oct. Nov. D«. 1953 195'* 1955 1956 1957 QDALITY CHARACTERISTICS or SANTA OiARA RIVER NEAR SANTA PADU (STATION 46 a) B-290 Plat« B-15 O, __- •"■1200 n s 4 L. M 1000 — , ^, A jT 1 .. oJ flftft - . .„ "iva... + -,^.^.^.. /V.\it__. ,v,,._. tj... S -''1 I^ .-' \'^-ZiL Vi /^_____5_c.^^____ §^ ^^ 7 7 I T I ' ^ J 600 - ' s ^ "^ — q 200 o 1 1 . ^ iUiinuiiii^ilitUiiiiiUUnuUi^UUUUuiiUUnUi 1953 195t 1955 1956 1957 ODALITY CHARACTKRISTICS 0? VENTURA RIVER HikR VENTURA (STATION 6l) B-291 I put* B.20 120 - - - 00 — ~ ~ "H" — . -- . — A 6 1. 60 p^^, 1- - EI-Z_A _ L::A----Ay---\'^-----r^'- . Im .' \ . ..- _..,._.. i .\....j :j.. _L.— *% _. . . . .!< -_• f\ -^. / \ i V ^ '^ / ^ ^-:.T ._. A . 4- ^ -^ 20 S^iiiiiiliiiiiiiiiiiliJiiiaiiiiliiiiJiiiiiiliJiiJiiiiiii^ 1953 195'* 1955 1956 1957 QUALITY CHARACTERISTICS OF AMIRICAM RIVKR AT SACSAMXNTO (STATION 22) g o._„ _ _ r i *...:: ft gieoo -- -- -f- w _ a rf, 81200 — a _ - _ i ^ : I 1"" f J* hnn ■■». , /\ A . ■! '*'. ' .._,±_::,,.=..^x J__M-.. ,7^.v..:.^.: c 'jan. Fab. Mar. Apr. May luna July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. Ma, June July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. Mat June July Aug. Sapl. Ocl. Nov. Dec. 1953 195't 1955 1956 1957 QUALITY CHARACTERISTICS OP BEAR CREEK NEAR STE7INS0N (STATION 111) B-293 Plat* B-21 *->ottn - — jZHO — SE _. I200 -r'^'t 1 s L\._.. ._M\L- fA A i.^ , ..X-t-4-\r-t— -I iJ" f __^':__L 1 J _..i_.._5 __ [" s L__/„.. L.....L..._L-___1.. ^ \ f - , 1__[..._.LC H — . i,.-— J t, . 1 .. L_ _t^- I i * ,_.__T Il_ ii t_J .^g_.._„_. 1 ; ^ ::.:.-_— ..J _.__i^l /^ £ °iiaii|lllJiiiiillillliiijailiilliijiilliilliiiiJaii|ll^ 1953 195»t 1955 1956 1957 aUALITY CHilUCTKRISTICS OF BUB RI7XR NEAR HHUTUHD (STATION 78) T T ~r 1 s '^200"" _ _ - fe - 2 f*::":"::;:":""":-\ v-'-'^i ;;"'i :^::" L /!:,-—. -J. "L::r:::: "::7.... f" / ...^i.__/ __..j,.,, .....L...i t.j i,pA_J..__.Lv- --^- t -J -i-- — -r 1 J V ;i 1/ ^7^ 1 ' y - -J, - - -_ ^ _ - J - - ^ % — " " — - — — c I.n. F.b. Mir. Apr. May Iun. luly Aug. s.pt. Ocl. Nov. D.c. I.n. F.b. M.r. Apr. M.y Iun. luly Aug. Sept. Oct. Nov. Dec. Ian. f.b. M.r. Apr. May Iun. luly Aug. S.pl. Ocl. Nov. D.C. I.n. F.b. M.r. Apr. May Iun. luly Aug. S.pt. Oct. Nov. D.c. Ian. Feb. Mar, Apr. May Iun. luly Aug. S.pl. Oct. Nov. Dec. 1953 195»» 1955 1956 1957 aOALITY CHARACTERISTICS OP BIG CaiCO CREEK NEAR CHICO (STATION 85) I B-29'+ — — Plit« B.22 o 1 1-1 ^120 - a ft-lnn A „ioo 7 ^ ^ / .!}i f ,..,r::i::i: ::? x^i- a / y W T_._Z_ __.. T...._ i ^ :::::;:::/::::[ I z...... g * ._,5_Z it vj t .^ 1 ^ -_.-V.. t. vi "_ ^ M a _ ^ ^ .__ . o 20 •- ° iiiilililiJiiJJIlililsJiiiaij: AUR. Sept. Oct. Nov. Dec. Ian. Feb. Mar. Apr. May June July Aug. Sept. Ocl, Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. SepI. Oct. Nov. Dec. 1953 195't 195 5 1956 1957 QUALmr CHIRACTKHISTICS or BOBMCT crue near busnct (STATION 17c) QUALITY CHARACTERISTICS or BOTTE CREEK NEAR CUICO (STATION 8U) B-295 as o ^600 0.500 in £ ziwo ^300 a u §200 :ioo Plat. B-23 _ n ^1 -J^- — vw-i- - iA^a Z-- Jl V _- T I J\ / I / T-4 i-Xl-—i t - ::.[::: til /_ ____L_,L,___l , ±1 tX-t—^-h+l- t^—-\-A vx...\ , \1i\aJ- U-\-. i-J—\ 1 ^Q Y/ t^ T'"* ^^^^ \y ^ __ I ___ __ T T _ Jin. Feb. Mir. Apr. Miy June July Aug. Sepl. Ocl. Nov. Dec. Jan. F.b. Mar. Apr. M.y June July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. Ml, June July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. S.pl. Ocl. Nov. D.c. Jan. Fab. Mar. Apr. May June July Aug. Sepl. Ocl. Nov. Dec. 1953 195'* 1955 1956 1957 QUALITY CHARACTERISTICS OP CACHE CRIiaC NEAR CAPAT (STATION 80J g ^^ £250 - - 7 1 , 4- - «" 7: / L + i ,'. .^: V -X s -^ ^;: /= ^v-A'^ \ii L. \a,.....^x,..,a.- ^150- --t- -.tV "- - ■■-'■\-^ - -"# <^^-"'= \' ~ 1 V v\ ITT ^ dlOC -.. . - ..... u a - a •A CK - B^ 1 ... c Jan. F.b. Mar. Apr. May June July Aug. S.pl. Ocl. Nov. Dec. Jan. F.b. Mar. Apr. May Jun. Jul, Aug. S.pl. Ocl. Nov. D.c. Jan. F.b. Mar. Apr. May Jun. July Aug. S.pl. Ocl. Nov, D.c. Jan. F.b. Mar. Apr. M.y June July Aug. Sept. Oct. Nov. Dec. Jan. F.b. Mir. Apr. May Jun. July Aug. S.pl, Ocl. Nov. Dec. 1953 195»» 1955 1956 1957 aDALITY CHARACTERISTICS or CACHE CREEIC NUR LOVER LAKE (STATION 1+2) B-296 put* i-ih T g T jbOO ■ xi j^ _ . ,_ „ .._... .... . . _ ,_ . . ,_. ,„.,., . .1 ^cnn - -L- - fi. r - t\ L ± J - T..... 2«K)0 - - - ^ — 7a L A V .^-^ ^- — -Z-_-i ?" /i u / ^ / r__\i---/-\.- L :a:;/::i:- e-^-— - ^^^^- .^- V-^y-----l |2oo -p ^^ -r- t^;7 7 V J-^^ -^ s -f-v V V t pioo - — (- — — ■ - . ~ »- . . _ a Jan. f.b. Mar. Apr. Ma, June Jul, Aug. Sopt. Ocl. Nov. Dec. Ian. f.b. Mar. Apr. M., Jun. Jul, Aug. S.pt. Oct. Nov. Dec. Jan. fob. Mar. Apr. Ma, June Jul, Aug. S.pt. Oct. Nov. D.c. Jan. f.b. Mar. Apr. Ma, Juno Jul, Aug. Sept. Oct. Nov. Doc. Jan. Feb. Mar. Apr. Ma, Jun. Jul, Aug. Sopt Oct. Nov. Dec. 1953 195'+ 1955 1956 1957 aOALITT CHARACTERISTICS Of CACHE CRUZ, NORTH FOSE, NEAR LOVER LAKE (STATION 79) W-- . _ _ _ _ ^ Q 0.250 t; •< Ol. f \ 4 __A __ _ ___. _ _ f^__ ^-. §,.„ Il ^ ^ ] J' r 1 /j J U / -- t"" -l-\—f-\"—- ^\J_x_J_!_J_x_J__\__J____ L J ^'^ T ^»=/ J - r!-. J-li. >y...... |,oo j \i \^ T ^ r« - - S50 — 1 Ian. fob. Mar. Apr. Ma, June Jul, Aug. S.pt. Oct. Nov. Dec. Ian. fob. Mir. Apr. Ma, lune lul, Aug. Sept. Ocl. Nov. Dec. Ian. fob. Mar. Apr. Ma, lune lul, Aug. Sept. Ocl. Nov. Doc. Ian. F.b. Mar. Apr. Ma, lun. Jul, Aug. S.pt. Oct. Nov. Doc. Ion. fob. Mar. Apr. Ma, June Jul, Aug. S.pt Oct. Nov. D.c. 1953 195«» 1955 1956 1957 aUALITY CHARACTERISTICS OF CAUTERAS RITER NEAR JENNT LIND (STATION 16 A) B-29T g "200 S! ^20 §80 c/i 00 Plate B.25 r \ ^^ 31 — -^ rf* ^ f .^ / ^ v^^^^y^' N u , y - v ^ \ r<" > r >/ «- = V \ / /" r' ^ ^ ^ L_ iisiiUiiiii Jin. Feb. Mir. Apr. May June July Aug. Sept. Oct. Nov. Dec. Feb. Mir. Apr. May June July Aug. Sept. Oct. Nov. Dec. lili«il5 r > ^ > gl(k) t" /- J « ^ V —^ y /' V s> ^ ^- — .. ,.'''-"^ a . u <^ k" 8120 ~ ^ /" 3 S 80 - i3 ^ lin - • Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Jun« July Auk. Sept. Oct. Nov. Dec. Feb. Mar. Apr. Miy June July Aug. Sept. Nov. Dec. Jan. Feb. Mar. Apr. May June -July Aug. Sept. Oct. Nov. Dec. 1953 I95»t 1955 1956 1957 aUALITT CHARACTERISTICS OF CLEAR UK£ AT LAKEPORT (STATION Itl) B-298 Plat* B-2t) — -— -- § 1 i-i ^^ __ _ __ _ _ _ s g _ .Ll. L. _ _ . 2 ^ I4JJ J-I *— I S*" ^±L U h 3«„ J IK /I ,.A 11 L I "" I _j_...X I- U\ I '-. 1^ L L ti Li_/ J.I] i'—-i- i tW^'J ^/ I -J--i-[ ..L_L____/t F V -•- t^~-^ I V ^ 7 \ /*■ -/ g 200 - -f-- - ^ - - \ o Jan. Feb. Mar. Apr. May Juno July Sept. Oct. Nov. Dec. Jon. Fob. Mor. Apr. Moy Juno luly Sept. Oct. Nov. Dec. Jan. Fob. Mor. Apr. May June July AuB. Sept. Oct. Nov. Dec. Jon. Fob. Mar. Apr. May Juno July Aug. Sept. Oct. Nov. Dec, Jan. Feb. Mar, Apr. May Juno luly Auk. Sept Oct. Nov. Doc. 1 1953 l??"* 1955 1956 1957 QUALITY CHARACTERISTICS or COLOSA TROCGH NEAR COLUSi (STATION 87J ouALiry cRiRAcnaisTics OP COSUW£S RIVER NEAR MICHIOAN BAR (STATION 94) B-299 ■ 1 1 1 1 1 1 1 , 1 1 1 ■ 1 1 1 1 ,. 1 1 ......... 1 1 . 1 ............... . PY ^ I \,— f^. r /..,-.-j- j"ij- -J-,.-— /-^.^ .J ^:\=./ 1,00 ...!_-._:__A[ :__i t'^.Li-L.-:.„: -„ i " w T ^ CO -- _ |50 c Jan. Feb. Mar. Apr. May June July Aug. Sapt. Oct. Nov. Dec. Ian. Fab. Mar. Apr. May luna July Aug. Sept. Oct. Nov. Dae. Jan. Feb. Mir. Apr. May June July Aug. Sapt. Oct. Nov. Dec; Ian. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Juna July Aug. Sapt. Oct. Nov. Dm. 1953 195'* 1955 1956 1957 QUALITY CHARACTERISTICS Of COTTOtfWOOD CREEK NEAR COTTONWOOD (STATION 12B) § .3^__ X S250 i \ ,- 200 * 5 /\ 4\ L /I— . 7-":::::" tl L\ .-4- «"° ^-J- [-^ I ...t LI -4- S, ^ ^ (S I \ l'^ _„\ llz=,...l-X. ^ J \,cL^..\ g -^ = =; — f- \ — y- ^ ^ ::::::i^:x^ d 50 --^^- _i_ _ .1 1 i Jan. Feb. Mar. Apr. May Juna July Aug. Sept. Oct. Nov. Dec. Jan. Fab. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sapt. Oct. Nov. Dec. Jan. Fab. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dae. Ian. Feb. Mar. Apr. May Juna July Aug. Sapt Oct. Nov. Dae. 1953 195'* 1 ?55 1956 1957 aUALITT CHARACTERISTICS OF DEER CREEK NEAR VINA (STATION 95) B-300 o 1/1 gj i Plate B-28 ■JfMI 2C0 - \ _L _,4. .50 ^\-_^-___2l — ft A...l..-_ . i L\i(\X_. X-./Lv ,_. r .« .[\-__ _t^...._ ^ x^i^/— I-.— -^^\ /'i >'r _\., .Ia,[}J \l-^,i. ' ^i' 'f J ^-.7 \J ^* T \ 50 - — - ^ ,^ _ _L . _ .. C Ian. Fob. Mar. Apr. Ma, June July Aug. Sepl. Ocl. Nov. Dec. Ian. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Ian. Feb. Mar. Apr. May June July Aug. Sept. Ocl. Nov. Dec. Ian. Feb. Mar. Apr. Ma, lune lul, Aug. Sept. Oct. Nov. Dec. Ian. Feb. Mar. Apr. Ma, lune lul, Aug. Sept. Oct. Nov. Dec. 1953 195'* 1955 1956 1957 Q0ilLITT CHARACTERISTICS 07 DELTA CROSS CHANNIL NEAR VALNlTr GROVE (STATION 98) 21200 - - ~ 3 ... X ollOOO — — 2 A 1 -A 55 800 --' - - M 1^ _J ^ 600 — - --1^ 1 L A ,-" y^"^ i ^ "I Z= A _...^ ..__L lL.X ,t,^-—t- i ^ -V-— 7- ^t 1 \._/ L___r:::L .___,th \ ^ "T""7i— 4-^ \^- -^--4- t-J-— 1 "° Z^J t-.7 ' ^ \^r' C Ian. Feb. Mar. Apr. Ma, luna July Aug. Sepl. Oct. Nov. Dec. Ian. Feb. Mar. Apr. May lune luly Aug. Sept. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. Ma, June lul, Aug. Sept Ocl. Nov. Dec. 1953 195'* 1955 1956 1957 aUALITY CHARACTERISTICS OF OELTAWIENDOTA CANAL NEAR MEHDOTA (STATION 92) B-301 Plata B-29 2 i-i - ri- - - — Sknn _ _ _ _ ...P 0500 — - — 6 - - , ti- - /^ - - __t_L 4 l« .-,.._-L^-5, J-\—J ../__ ._ A - U r.^— -5^-1— -,j-+^v- _,.J t ,.Z4___± " s -^T \ f^ ^ ./..., /yA.4.\.. &300 1 V - I -- -4- t\4- I . .___L_____/__ __Aa I ^■ L...LJ Lfj L J !X— i— - J i ^ 1 _ii: X z {1 i_-t ;,.....^:. 3 ^ \/ J JJIOO ~ ^ c Jan. Fab. Mar. Apr. May Juna July Aug. Oct. Nov. Dae. Jan. Fab. Mar. Apr. May Juna July Aug. Sapl. Oct. Nov. Dae. Jan. Fab. Mar. Apr. May Juna 1J53 l»ll 1S55 195« 1?57 aOALITT CHJIRACTERISTICS Of DS:.TA.MCNDOTA CANAL NEAR TRACT (STATION 93) n 1 -^ 1 g —\ s a-100 ■ «l i\ r N \ r\ PS •4 *■ 80 1 \ / s \ r* j 1 ^ r > / f\ \ ^ ^ > 5 * y \ ^ \ / \ 1 ( ^ 'N J f 1 \ j li \ *t I y \ ; M / > I / \ 1 / \ \ / J \ B llA . V > < N / / \^ \ V J I ;?■ ^J ^ ,n 0" iiisiuna. iiiisiliiUu iJillillJlJl iiiilWiliii iiiklittltii 1953 195'* 1955 1956 1957 QDALITY CHARACTERISTICS or RATHER RIVER AT NICOADS (STATION 20) B-302 Plate B-30 J120 ~ ~ n s 2 / ^\ y\ -o +-- 7-'N"7r"7":: III :::!__!:::: J. r i ^ : ::!A:_.[ ::____.„ _,4_-^ ; I " , 1./ \_ J __._ V Z-i.j ,u 1 * t—V- t t - ! S HO -- - U in y Q P 20 - - ^iiisiliiUniiiUUiUUiiiUliiiiiiiisUlsittUiiiUUUiii 1953 195'» 1955 1956 1957 QUALITT CHARACTERISTICS OF FEATHER RIVER NEAR OROVaLE (STATION 19) 8 " " " • T M 1 ^300- - - -- & .,5. ' r g200 -- -^ r M _J_^ _iL i i,„. . ...z.^/i .4 U— V" f\ , ,__A ,\ iX- i.« Lli.—J I /__ -X- i'~ 2 / Ij- -/ I— /— A- i ,...-Z Z 1 . ./ f & Jan. F.b. Mar. Apr. Ma, Juna Jul, Aug. Sapl. Ocl. Nov. Oat. Jan. F.b. Mar. Apr. Ma, Juna Jul, Aug. Sapl. Ocl. Nov. Jan. F.b. Mar. Apr. Ma, Juna Jul, Aug. Sapl. Ocl. Nov. D.c. Jan. F.b. Mar. Apr. Ma, Jun. July Aug. S.pl. Ocl. Nov. Doc. Jan. F.b. Mar. Apr. Ma, June Jul, Aug. Sept. Oct. Nov. Dec. 1953 195'* 1955 1956 1957 ODALITT CHARACTERISTICS OF INDIAN CREEK NEAR CRESCENT MILLS (STATION 17D) B-303 Plate B-31 -, ^ - - 1 1 1 1 1 I ■ s M •J1500 i i s ••looo L V) - 800 - ... - r 5 ^ J3 "\ -k f^^^ -tX- ::::::::: ' i^J 1^-' /l.\ t-' I H^ J C" ; -1 L.__i /\- __H- V"""^ f' l~«o-\--—t—-—4'- .,cL. \ t r S — ^ -J — - H- L . 1 "" ] gaoo— ---^I LJ L_. A J \^—jd— i w ^> -^--. ,j..... iJiilllll^iJjJiilllllljiiJ-lli; Aug. Sept. Oct. Nov. Dae. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Fab. Mar. Apr. May Juna July Aug. Sept. Oct. Nov. Dae. 1953 I95»t 1955 1956 1957 COALITT CHARACTEfilSTICS 07 IHDIAN SLODOH NEAR BRENTWOOD (STATION 107) M Cftrt - - — » U _ - i '" 5 ^ ^ -. 1 h«n-- _ _ _^_l _ _^^« _l - I \ i*° rj}\ kW\ I I //] ^^r. L... .„i^r..j ::::±-:::::-:::t iii: :: : »"",! t J. ...... L._iN...^. J I....,^i i JA.J t- 1 - - v -i- -' I— i—- V C-— p....^,./ \ I \i \_ I SI . rf ,rto - ^L L^J _ g 100 V ^ w d . i . _ ___ TOT c Ian. Fab. Mar. Apr. May June July Aug. Sapl. Ocl. Nov. Dae. Jan. Feb. Mar. Apr. May Juna July Aug. Sopl. Ocl. No.. Dae. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Juno July Aug. Sept. Oct. No.. 0.e. Ian. Fob. Mar. Apr. May Jufi« July Aug. Sopl. Ocl. Nov. Dae. 1953 195'* 1955 1956 1957 OUALITT CHARACTERISTICS OF ITALIAN SLOUGH NEAR MOUTH (STATION 106) B-30h Plate B-32 I ' I ' ION 1 1 1 n X P5 ^ i - _ y'jl J I, _ . i I. ^/^^ 2 ^ tiT Ll\,tj .,. _ ::: ^^ = _ J .. r ±L ^ \ Z-t-1- —- L.... .J..L i ^ .^ i___ii_ ..— \— /— U— -— - v-t- - f * L\l \ . /_ L__/ Va L — ^ V I 3 w, — ^- IT ._ L L ... X ___ .. L._j [ ] ' 1 * .JJ il ] J ^J :i::t::t ; , ....y. lZ H y_ ^ g20- b-- . _ o Jan. Fob. Mar. Apr. May J una July AuB. Sopl. Ocl. Nov. Doc. Jon. Fob. Mar. Apr. May Juoo July AuB. Sopl. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. May Juno July Auk. Sopl. Oct. Nov. Doc. Jan. Fob. Mar. Apr. May Juno July AuB. Sopl, Ocl. Nov. Doc. Jan. Fob. Mor. Apr. May Juno July AuB. Sopl. Ocl. Nov. Doc. 1953 195't 1955 1956 1957 aiULITT CHARACTERISTICS OF UWAH RIT£R NUR THREE RIYERS (STATION 35) 300 -" _ _ _ 1 250 -■ — - ICft _. . ±. A - C- ^^ --L - i. IJU -- .!___ _ 1 ^' - ^. i. . U> T J - - \..J..\..^ li '\ / 100 -" " I ^ / 7 ..XJ-----^-y-A---i-y-----\-/---- Cft — - J {/. \i \.y ^- 50 -■ y - --■ . Mar. Apr. May Juno July Au,. Sopl. Ocl. Doc. Jan. Fob. Mar. Apr. May Juno July AuB. Sopl. Ocl. No.. Doc. Jan. Fob. Mar. Apr. May Juno July Auk. Sopl. Ocl. Nov. Doc. Jan. Feb. Mar. Apr. Ma, Juno July AuB. Sopl. Ocl. N„. Doc. Jan. Fob. Mar. Apr. May June July AuB. Sept. Ocl. Nov. Ooc 1953 195»» 1955 1956 1957 QUALITY CHARACTERISTICS OF KERN RIVER NEAR BAKERSflELD (STATION 36) B-305 Plate B-33 aUALITY CHARACTERISTICS OF KINGS RIVER ABOVE NORTH FORK (STATION 33, 3/53-8/55) AND KINGS RIVER BELOW NORTH PORK (STATION 330, 9/55-12/57) 11 1 II II NOI ^'^ ct in ec '^ ooo__ _ _ __ _ __ _ ;^ __ JL . 3lC0_ JS - ll fl A tr- l"^ 1, _ t\ t\ - lU I. i., tt-\ 1--A— -i-t .1^ /- 1 .,-....L_.zv,.....L..i4 1.1 utv-r—-— 5 ,„.!l._,L— . A.„/ M t L^ / ! V\..i-. i ^- 3 ^ Kj [-J ^ ^., 1 U n — _ _ _. _ iiJilllli^Jij^illiSll^Jil^iilliilsJJi^JillflllJiiiilllllllJJ 1953 195»» 1955 1956 1957 QUALITY CHARiCTERISTICS or KINGS RIVER BELOW PEOPLES WEIR (STATION 3I4) B-306 pu-t« 8-31+ aUALITT CHARACTIRISTICS Of LINDSET SLOUGH NEAR RIO VISTA (STATION no) 300 _ Z50 — 200 - A A 4. A ^ .^:::: t^:: 1M-A-4 (!A ,v— ^X-t 1 5"-^ -/ .in I -^ . ,.-, 7 L / Lj. inn / I / lj \ i i.{..i:.\i..\ it /$, t ^yJ — -- ^ J_._______^V_.. t w ^ U ' 50 \f - - "iiiiilllllJii:!iilllllliii2illl July Auk. S.pl. Oct. Nov. Dec. Jin. Fib. Mir. Apr. Miy Juni July Aug. Sepl. Ocl. Nov. Dec. Jin. F.b. Mir. Apr. Miy June July Aug. Sepl. Oct. Nov. D.C. 1953 195** 15 155 X956 1957 QOALITT CHARACTERISTICS or LITTLE POTATO SLODGH AT TEHMNO0S (STATIOJJ 99) B-3OT Plate B-35 1 i,.n 3120 ■ (4 OjIOO" i ■^ o«_ ^ . (^ ^ •> ^ J t-- S '^ «: ?' /' <«. J V) ~ a / B 60- i^ 53 i . Feb. Mar. Apr. Ma, Juna Jol, Aug. Sapl. Ocl. Nov. Dec. Feb. Mar. Apr. Ma, Juna Jul, Aug. SepI. Ocl. Nov. Dec. Fab. Mar. Apr. Ma, Juna Jul, Aug. Sapl. Oct. Nov. Dec. Jan. Feb. Mar. Apr. Ma, June Jul, Aug. SepI. Ocl. E -^ AM -- P, ^l20 M ac — ' ^00 -■ -A I - l\ j "to- ^''\ g r \ __/_ ^60 -■ J \ z . 8 "0 S, / T \ §H0- ^ / \ t\ — ^ - 1 \ '-'N __ \ / \ \ 7 V""tT d 9n -- ) / \ \i'^. \ \/ 2 20 ^ ^., 7 ^? Mar. Apr. Ma, Juna Jul, Aug. Sept. Ocl. Nov. Dec. Feb. Mar. Apr. Ma, June July Aug. SepI. Nov. Dec. Jan. Feb. Mar. Apr. Ma, June Jul, Aug. SepI. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June Jul, Aug. Sept. Oct. Nov. Dec. Jan. Fab. Mar. Apr. May June July Aug. SepI. Oct. Nov. Dec. 1953 195't 1955 1956 1957 ODALITT CHARACTERISTICS or MERCED RIVER BELOW EXCHEOOER DAM (STATION 32A) B-308 Plat* B-36 . g ^300- --- - - ____ P X .....a..- _ _- & O.25O-- __- t - 2 ^ ..-„_\_,^:^, ]^.L.,.iJ.iIi fi^ L i^.,zw-j...x J---iMy-st-i .'-—\ pJ- tfi5o-P'^ T ^ ^ /^ ^ T r V ^ tT 1,0,1 _ __i--\ [ - - - -- 4 -t U^ 1" \_t . iJjt int— - r si U-j :__ 1 5C ^ + - H y _ _ — _ — » _ _ _-, ^_^ c Jon. Fob. Mar. Apr. May Juna Jul, Aug. Sapl. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. Ma, June July Aug. Sapl. Ocl. Nov. Doc. Jan. Fab. Mar. Apr. Ma, Juna Jul, Aug. Sopt. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. Ma, June July Aug. Sopt. Ocl. Nov. Dae. Jan. Fob. Mar. Apr. May Juna July Aug. SopI. Ocl. Nov. 1953 195'* 1955 1956 1957 QDALITY CHiRACTEHISTICS OF MERCED RITER NEAR STCVINSON (STATION 32) 9 Q, _ _ __ _ S 200 _____ t2 -f\ §,^_ _ _ _i _ ^ Ia^_ _ a ^- ^ , 5 „ - M-t——'^'---v—--^\- §,„. ::::z.!l. tJu-l-t--\ J - j ^'".f.,___Z_____ __ fZ_'__ -\J ,.—/- r'J [ i ^'\2,t---^--J----------W- ^l-\J V ^ 1*7° [r" ^ r ^^ T ' V g to- - - _ _ ^ S - - c Jan. Fab. Mar. Apr. Ma, Juna Jul, Aug. SopI. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. Ma, Juna Jul, Aug. SopI. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. May Juna July Aug. SopI. Ocl. Nov. Doc. Jan. Fab. Mar. Apr. May Juno Jul, Aug. Sapl. Ocl. Nov. Doc. Jan. Fab. Mar. Apr. Ma, Juna Jul, Aug. SopI. Ocl. Nov. Doc. 1953 ijs"* 1955 1956 1957 OnALITT CHARACTERISTICS OF MILL CR£IK NEAR LOS MXINOS (STATION 88) B-309 § Q a. B a m a i Plats B-37 JL fy... ______ 1 fl r - -- --- - - *" _.__j ^ ,__j^ . '" j_._tr a...^,,:! I IcLL ^ i ____± ___^.___ j !::!_ \ iTl T"" K.y' ^-^' \ , / ^,.-^ t^_. 20 ~ ~ — o Jan. Feb. Mar. Apr. May. June Jul, Aug. Sept. Ocl. Nov. Dec. Jan. F.b. Mar. Apr. May June July Aug. Sepl. Ocl. Nov. Doc. Jan. Fob. Mor. Apr. May June July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sepl. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sapt. Oct. Nov. Dae. 1953 195'* 1955 195^ 1957 atULITT CR/IRACTERISTICS 0? MOKHUMNE RIVER NKiR LANCHi PUNA (STATION 23A) A 1 ^ .1 / \ i ^ A ,[ t i „ .TT « R-J-i - i^tL. t\L-\— - I ^ : ---^-p-j(^t^ izL-.^v : x: : B * i ^^-^^j " ^^. i \ ^-^ lu^-,— 1, ::::^::-jl:_.:i: I ^^ 5 i .,r'\K. I '" \jw ' ?? JO - _. -— , jj zo _ _ _ __ ■i 10 -— - - g 10 c Jan. Fob. Mar. Apr. Ma, Juna July Aug. Sept. Oct. Nov, Doc. Jan. Fob. Mor. Apr. May Juno July Aug. Sept. Ocl, Nov, Doc. Jan. Fob. Mar. Apr. Ma, Juno July Aug. Sepl. Ocl. Nov. Doc, Jan, Fob. Mar. Apr. May Juna July Aug, Sepl, Oct. Nov. Dec, Jan. Fab. Mar. Apr. May Juno July Aug. Sepl. Ocl. Nov. Dec. 1953 195'* 1955 1956 1957 QOALITT CHARACTERISTICS OF MOULIMNE RITER AT WOODBRIOOE (STATION 23) B-310 Plate B-38 _ _ n Senrt _ _ __ _ __ _ _ a. 900 - — — — Sj™ . ,1 ^ I \ _ . . _. . ^ . . ^ .n.....,d.h..../\ ll.— ^- i^ L....t7_]1_.Xl'\ /-- hl-J—^ ^- l"^ t ,__.! L..-,Ll___L__ __. hU\l\. 1^1. 4 1 _-h-l L..n \4—- i'^l^i L.J d. LiLl hf. i^.....y. \J....t V-iJ- — - *' A _ _ _ _ < Jan. Fab. Mar. Apr. May. luna July Aug. Sept. Oel. Nav. Dae. Jan. Feb. Mar. Apr. May Juna July Aug. Sapl. Ocl. Nav. Dae. Jan. Feb. Mar. Apr. May June luly Aug. Sepl. Ocl. Nav. Dae. Jan. F.b. Mar. Apr. May Juna July Aug. Sapl. Ocl. Nov. Dec. Ian, fab. Mar. Apr. Ma, luna July Aug. Sapt. Oct. Nov. Dae. 1953 195«» 1955 1956 1957 QOALITT CHARACTERISTICS Of OLD RIVER AT aiFTON COURT FERRT (STATION 104) 600-- -1- 500 - -- _m_ _ _ _ 4oo__ 1_ J_\__ _E t^^a^ 1 [ rLt ,__L/:!4 ,__4— V ,.0-.— -IL- -_..L _„ K, ^ -\ A J ^J____i...jt"-----i~t--"r""'r' 200^ i J i In - A -1 \ hi :4 U- ^.J A ^ -\-N— .« ^ la _.. \:7 r—- iw - t7 ~~ r> _ _ < Jan. F.b. Mar. Apr. May luna luly Aug. Sapl. Ocl. Oat. Ian. Fab. Mar. Apr. May luna July Aug. Sapt. Ocl. Nav. Dee. Jan. Fab. Mar. Apr. May June July Aug. Sepl. Ocl, Nav, Dec. Ian. Feb. Mar. Apr. May June July Aug. Sepl. Ocl. Nav. Dec, Jan. Feb. Mar. Apr. May luna luly Aug. Sapl. Oel, Nov. Dec. 1953 195t 1955 1956 1957 aUALITT CHABACTERISTICS or OLD RIVER AT ORVOOD BRIDGE (STATION lOfi) B-311 a M to M a Plate B-39 jOv> _ ^ _ _ 600 - _- _ _.^ L t^A A ^.„i r:_] L ,.! t t -A—.^ , _4_____Ii__J , Mf\ i^.X— -L-i— -1 L— -J--— J \—.liX ] 7-^1 I V ...I.-... .j:-,,X-.j- - t-i- joo- -,— - -+\- — -Ui-— - :„_-i.-.L '^_..4., ]„ .....I .J. L_. ... ± '• ^i—U-t-^-Xn - t-l-r i t-ll I tt-\ - t J.....I: i L.-LJ 100 ^ t^ n < Jin. Fib. Mir. Apr. Miy Juni July Aug. Sipl. Ocl. Nov. Doc. Jin. Fib. Mir. Apr. Ml, Juni July Aug. Sopl. Oct. Nov. Die. Jin. Fib. Mir. Apr. Miy Juni July Aug. Sopl. Ocl. Nov. Die. Jin. Fob. Mir. Apr. Miy Juni July Aug. Sipt. Ocl. Nov. Doc. Jin. Fib. Mir. Apr. Miy Juni July Aug. Sopl. Ocl. Nov. Doc. 1953 195»» 1955 1956 1957 Oa&LITT CHARACTERISTICS 0? aO RIVER HEAR TRACT (STATION 103) M a X s a. a M i i o 300 250 200 V/- 2: r-^-A rs 150 t:.2 J.. 10c 50 ^>rzi « _ — — _ - l<0 __ ,. ., , n 1 i ( Iin. Fib. Mir. Apr. M.y Juni July Au». Sipl. Ocl. Nov. Die. Jin. Fob. Mir. Apr. M.y Juni July AUB. Sipl. Ocl. Nov. Die. Iin. Fib. Mir. Apr. M.y Juno luly AuB. Sipl. Oct, Nov. Doe. lin. Fib. Mir. Apr. M.y luno luly AuB. Sipl. Oct. Nov, Die, Jin. Fob. Mir. Apr. Ml, Juni luly AuB. Sipt. Oct. Nov. Die. 1953 195'* 1955 1956 1957 QUALITY CHARACTiMSTICS or SACRAMENTO RIVER AT K£SVICK (STATION 12) B-315 Plate B-1+3 1 \ 2 oW " ri £ a. 500 ~ A s /' A 1 j I } A A to \\ i / ' S > 1 / \/ \ s 200 - w \ ^ / / |r > v/ ^\ A I /* a / V r s ^ / ■^ ^ V y \ ' i / '^ i \ s. -^ J /V ^ -^ r ^ V \ J ■ ^ h/" ^ V / V l'^ \ J »/ ^/ -^ -^ -^ . iiiiiitiliii .5iis a o o u > v> Ul a o Plate B-U4 300 - 1 lyj - X A . ^ _ 150 I'S- 4-1 /-Vl h A— H - „,____U n\\AX--4v----. ^- ,oo,^\-j-A,-At— ---^-y— -vm-/^ ^^\ ^ ^ ^ "°^ ^^J ^^7 Si ^ \r\/ ^" ^-^y T __ _ w_ 1 _ _ _ ^^ _^^___ _ — _ _- 50 -- ~f— — ■ - — — — ' -■'- . -_ « ._. . 1 _ ^ c Jan. Fob. Mar. Apr. Ma, Juno Jul, Aug. Sept. Oct. Nov. Doc. Jan. Fob. Mar. Apr. Ma, Juno Jul, Aug. Sopl. Ocl. Nov. Dec. Jan. Fob. Mar. Apr. Ma, June Jul, Aug. Sept. Oct. Nov. Dec. Jan. Fob. Mar. Apr. Ma, June Jul, Aug. Sept. Oct. Nov. Doc. Jan. Fob. Mar. Apr. Ma, June Jul, Aug. Sopl. Ocl. Nov. Doc. 1953 I95>t 1955 1956 1957 QUALITY CHARACTERISTICS OP sacramento river at rio vista (station 16) S ■0. I- a: 9bn - . _ »o -- .A .fc. A i i\ ._ n . "° [t fL4___,___/_i .„ J .L. .. t...L/:^X-.^— t I— A— - Ktt i r J __jj...U.— !i A^-^-A-.y-^--^- .0,-^-4— --4-.--——-^ t-^\uyy.\j , tyj_ u tl-j- ho __ _ 1' __ __ _ 1 c Jan. Fab. Mar. Apr. Ma, Juno Jul, Aug. Sopl. Oct. Nov. Dec. Jan. Fob. Mar. Apr. Ma, Juno Jul, Aug. Sept. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. Ma, Juno Jul, Aug. Sept. Ocl. Nov. Dec. Ian. Fob. Mar. Apr. Ma, Juno Jul, Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. Ma, June Jul, Aug. Sopl. Oct. Nov. Doc. 1953 195'» 1955 1956 1957 aUALITY CHARACTERISTICS OP SACRAMENTO RIVER AT SACRAMENTO (STATION 15) B-317 Plate B-U5 aOALITY CHiRACTERISTICS OP SACMMENTO RIVER AT SNODGRASS SLOUGH (STATION 'i^) aUALITY CHARACTERISTICS OP SACRAMENTO SLOUCH NEAR KNIGHTS LANDING (STATION 14a) B-318 Plat* B-k6 . _ . . . , , .. 1 ^3000 2 s. 2500 M E 2 ...... t T -_._L.__t .._. i ...... s 1500 -- t 4 K. si irwt ^ \ . ... 1000 to M (i , 1+ _lt it \ r> I :l.i /...L_J___,,.._., ... s 500--- , L > \ ...I...^V-,^— -X / ^,-..' -_,—[- ' L' / > i ^ >>'^- -./ \'~^ ^ I ^-"^j ^^ ^\it t/ ■- E ^ H A V 4 j:^. e. ^.LL/UZ-I tt^LlLVJ. ^'i. / . Ji__-lr_ 1 _ / t-V /v^ it\F/ ^ 1 X-U-t — ti. : ^J \"rr "" t t^v ^ yj it T ^. .:...: :\ 1 :::t:::::::::::::rr - y 1 V \i ^ * T T iifiillllllJliiJllllllsJiiirilllllllillifiilillllJljIilllllllil 1953 195't 1955 1956 1957 QUALITY CHARACTraiSTICS OP SAN JOAQUIN RIVER NEAR GRATSON (STATION 26) Q V) s ___!___ _ _ ___ _ _ _ Rnn , . 1 , , 600 S __ !_ _£S A .,t^ 1 J ,^:: V— -L^::!a K ^ .1. j At U-M-J- \ K A- V--~A- fy..l-1-x.i .sZ \ -^^_H-L_— ,. ,„„I._ ._.... 1 ]..^v^-— -- -4— i: : [4 [/A L. v"^ \t c Jan. Feb. Mir. Apr. May Juna July Aug. Sept. Oct. Nov. Doe. Jan. Feb. Mir. Apr. M.y Juno July Aug. Sept. Oct. Nov. Doc. Jan. Fob. Mar. Apr. May June Jul, Aug. S.pt. Ocl. Nov. Dec. Jan. Fob. Mar. Apr. May Juno July Aug. Sopt. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sopt. Oct. Nov. Doc. 1953 195'* 1955 1956 1957 QUALITY CHARACTERISTICS OF SAN JOAQUIN RIVER AT MAZE ROAO BRIDGE (STATION 26a) B-321 t i f] i J K rl Plate BJ19 K^ \ F r, h \ b=.zj »o - 250 - A. _Ci . . .^ 7._ : ^UU - - — ; -^ -V- :!l^, .-' ^ f / ,^. I v/ ..Ill ::_:::::_:_ i^:^:::::!]':.:: 150 y loo — -^ h -f 50 "~ . 1 jJilllflo Oct. Nov. Doc. Jan. Fob. Mar. Apr. Ma, Juno Jul, AuB. Sopt. Oct, Nov. Dec. Jan. Fob. Mar. Apr. Ma, June lul. Auk. Sopt. Oct. Nov. Doc. Jan. Feb. Mar. Apr. Ma, June Jul, Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. Ma, Juno Jul, AuB. Sept. Oct. Nov. Doc. 1953 l??'* 1955 1956 1957 aUALITT CHAHICTERISTICS or STOKT CREEK NEAR iUMILTON CITT (STATICS) 13A) a. Ou 3 s o a > 5!'- - ;»■ _ A .. . I ''":::::::::::::::::::::::: :::::::::::::::':::::::::rr"'" ^ .J ,^ 1 I., -~- ..-^ .. I ,. . I A J , .T ^,L.i~.:\ V _N„.^_._.l\j J 5°' f \. ^-^ -^^ f -SJ- e Ian. fob. Mar. Apr. Ma, luno lul, Aug. SopI. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. Ma, Juno Jul, Aug. Sopt. Ocl. Nov. Doc. Jan. Feb. Mar. Apr. Ma, June Jul, Aug. Sept. Ocl. Nov. Doc. Jan. Fob. Mar. Apr. Ma, Juno Jul, Aug. Sopt. Oct. Nov. Dec, Jan. Feb. Mar. Apr. Ma, lune lul, Aug. SepI, Oct, Nov, Doc. 1953 195'* 1955 1956 1957 QinALITT CHARACTERISTICS OP TUOLIMNE RIVER AT HICKKAN.WATERFORD BRIDGE (STA.T1CN JP ) B-326 a a PUte B-54 1 ^.—+ Jr- \— T^ ',^ j^ *" V \ 15 V J — — " 'T 1 1— , IL ^—-\—-\ ^+ rv J ],___..tL___J_._ t— - . _A^ J J ...__L_v,..f J__ "^"■"TI^ + - ____t \_L+ \__ .J""\ 4...I ,c^J L. -^1 i H- r ^ ^^ 1 _____ _ __ _1_ C lin. Feb. Mir. Apr. Miy June Jul, AuB. Sept. Oct. Nov. O.c. J.n. F.b. Mir. Apr. Ml, June July AuB. Sept. Oct, Nov, Dec. Jan. F.b. Mar. Apr. May June July AuB. Sept. Oct, Nov. Dec. Jan. Feb. Mar. Apr. May June July AuB. Sept. Ocl. Nov. Dec. Jan. Feb. Mir. Apr. Ml, Jun. July AuB. S.pt Ocl. Nov. Dec. 1 1953 195'+ 1955 1956 1957 aOALITY CHARACTERISTICS OF TUOLDMirc RIVER AT TUOHMIE CITT (station 31) ^ u > _ 120 -- - 100 n. '\ fln L y V \ / K*-"^ - -^-t \ _+ y ,_._/____+____/_' _V—-^—^ « itx t ^i-i.— LI— ,--——-— - ;r"7i i:::ii L-- -4.-^-/ i„i— - J ^::t %J ^^ -V-Xt v-\ Mo y =^:t ^ ' v7 ' 1 o Ian. Feb. Mir. Apr. Miy Juni July S.pl. Oct. Nov. D.c, Jin, Feb. Mir, Apr. Miy Juni Jul, AuB. SepI, Ocl. Nov, Dec. Jin. Feb. Mir. Apr. Ml, June Jul, AuB. SepI. Ocl. Nov, Dec, Jin. Feb. Mir. Apr. Ml, June Jul, AuB. S.pt. Oct, Nov, Dec, Jen, F.b. Mir, Apr, Me, Jun. July SepI Ocl, Nov, Dec, 1953 195'* 1955 1956 1957 QDALITY CHARACTERISTICS . OP TUBA RIVER AT MARTSVILLI (STATION 21) B-32T Plate B-55 aUALITT CHARACTERISTICS 0? YUBA RIVER NEAR S'lA^TVILLE (STATION 2U) I B-328 z o 1-4 a. o o e- o p] at e B- -56 120 _ -^ 100 _ 8o _ A 60 f ^ ^ __ — . "S r* ' "v- -< ^N ^ ^ ^ . r> As - ^ S ^ y "■ ■^ A 1 Un V 7(\ — J Feb. Mar. Apr. May June July Aug. SepI. Oct. Nov. Dec. Jan. Feb. Mar. Apr. M.y June luly Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Ian. F.b. Mar. Apr. May lun. luly Aug. Sept. Oct. Nov. Dec. J.n. Feb. Mar. Apr. May June July Aug. S.pl. Oct, Nov. Dec. aUALITT CHJlRACTERISTICS or LAKE TAHOE AT BIJOU (STATION 39) z o OS u a i o .J o 90-- _ _ _ - - _ __ „ ....,__-......^ 45 30 15 - _ __ _ 9 Jan. Feb. Mar. Apr. Ma, June July Aug. Sept. Oct. Nov. Dec. Ian. Feb. Mar. Apr. May lune luly Aug. SepI. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. J.n. F.b. M.r. Apr. M.y June July Aug. S.pl. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May lune July Aug. SepI Oct. Nov. Dec. 1953 195'* 1955 1956 1957 aOALITY cauucTiiasTics oy LAKE TAHOE AT TAHOC CITY (STATION 38) Plate B-57 60 & •< s 1K> e I ^ 20 M a ^ 10 / "Trl j4 M rnnnrln r> ■>Lf|1 i-j U J^ 7^ ^r- ^-^'- - ^^c^ <;.^ - Jan. Feb. Mar. Apr. May June July AuB. Sept. Oct. Nov. Dec. Jin. Feb. Mar. Apr. May June July AuB. S.pl. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July AuB. SepI. Oct. Nov. Dec. Jen. Feb. Mar. Apr. May June July AuB. Sept. Oct. Nov. Dec, Jan. Feb. Mar. Apr. May June July AuB. Sept. Oct. Nov. Dec. 1953 195»t 1955 1956 1957 OCiLITT CaUUCTCtlSTICS OF LAKE TAHOE AT TAHOE VISTA (STATION 37) A ° -TO A ^1. A i\ r>» y ^^^s r"^»^ T ^^ _ i'^ i-__,_„__ L^,f:5.5 . .___^ _ A i,^...-.-.f,,c>4j.L/:::Nj----- v. a. 250 "■■" T ^J 11 1 .J 1 5 "° T "" " " " "" " i ,_.. - — ] . ... 1"° 1 3 T 3 100-- -- - _ _ _ _ _ V) w ^ CO i '^ 1 c Jen. Feb. Mir. Apr. Miy luna July AuB. Sept. Oct. Nov. Dec. Jin. Feb. Mer. Apr. M.y June July Aug. Sept. Oct. Doc. Jin. Feb. Mir. Apr. Miy June July AuB. Sept. Oct. Nov. Dec, Jin. Feb. Mir. Apr. May Juno Jul, AuB. SepI, Oct. Nov. Doc, Ian. Feb. Mar. Apr. May June July AuB. Sept. Oct. Nov. Dec. 1953 195»* 1955 1956 1957 aOALITY CHARACTERISTICS OF MOJAVE RITER NEAR YICTORVILLS (STATION 67) B-330 Plat* B-58 T 1 20c - - "^ 160 1.. . . ^ - - X ^ -L z:\_4_ ,_ S 120-- Xis^ -^ X"' / _4_ _L _ L 1 L!- f / L±.. i\ 1 ,„ , t t / t / ^ i ■> .^I - , A J ^ 1— - -^ --J ; ^..-J^J^-_.I:L^ /:L-_. V ... lin. F.b. Mar. Apr. Ma, Juna lul, AuB. Snpl. Ocl. No,. D.c. Ian. Fab. Mar. Apr. Ma, luna lul, AuB. S.pl. Ocl. Nov. Dae. Ian. Fab. Mar. Apr. Ma, luna lul, AuB. S.pl. Ocl. Nov. D.c. Ian. Fab. Mar. Apr. Ma, luna lul, AuB. S.pl. Ocl. Nov. D.c, Ian. Fab. Mar. Apr. Ma, luna lul, AuB. SepI. Ocl. Nev. D.c. 1953 195»» 1955 1956 1957 OOiLITY CHJIIUCTERISTICS OF snSiJi RI7ER AT SUSANVILLE (STATION 17B) o X Q Oa a; M m a s (/> 120 — - ~~ ______ 100 -- — — — ~ " r — ifEA:::::::::^:^:::::::::;: f- JO, s A ^.^ L - L - L f L — 177 .J \ / ^Ji.... ..__y_^ — ^-^ ■K) _ _ - ^ 20 - --^ - - 1 Ian. Fab. Mar. Apr. Ma, luna lul, AuB. SepI. Ocl. Nov. Dae. Ian. Feb. Mar. Apr. Ma, luna lul, AuB. SepI. Ocl. Nov. Dec. Ian. F.b. Mar. Apr. Ml, lun. lul, AuB. SepI, Ocl, Nov. Ian. F.b. Mar. Apr. Ma, luna lul, AuB. S.pl. Ocl, Nov. D.c, Ian, F.b. Mar. Apr. Ma, luna lul, AuB. SepI Ocl. Nov. Dec. 1953 195't 1955 1956 1957 1 1 1 ' ' aUALITY CHARACTiMSTICS OF TRDCiC££ RIVER NEAR FARiU) (STATION 53) B-331 Plate B-59 g g 120 s a. , -„ 100 ■< 1 'V ^ s " 7 ^ ^~^-- ^•"•^"sl -;'*>,--^ r ^ -1 "=-• - ^ 60—^-^- - , , . A i _ . ... . ._ _. . . . . _ . , . ... . »h \] \ / ^J U5 HO -- t-i 7 "^ T g „ ._ g 20 -- — — — 1 . ^ ^ . ; • > » i . 1953 IJS't 1955 1956 1957 aUALITY CHiEUCTCRISTlCS or TRUCKEE RIVER NEAR TRUCKEE (STATION 52) B-332 as o M a X s Plate B-60 ... .....,,. .._ ..._., _ . , ,..._.. . ., ._, ... 3000 j ,500 H^ -.- ^. — ^.. JOOO .^ — — — — «■ ^a* -.^ - 1- U ^ -A -,— -— -- >S..'^„L. _ , ., _,.. \ y\/t^^^\ 7t V ^.7 t N r"' ^^ 1000 , ..,_._ ._ _ 500 — — — - — ~ ~ Fab. Mar. Apr. May Juna luly Aug. Sapl. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. May Juna July Aug. Sapl. Oct, Nov. Doc. Ian. Fab. Mar. Apr. Miy Juni luly Aug. Sapl. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. May Juna July Aug. Sapl. Ocl. Nov. Dae. Jan. Fib. Mir. Apr, Miy Juna July Aug. Sapl. Ocl. Nov. Oac. X953 195'* 1955 1956 1957 aUALITT CHiRiCTCRISTICS Of lUHO RITER NEilR CAUPATRU (STATION 60) S 6oo< - S 500(- - - - - _ ____,. l\ I ^ ^ J J f.-/ tA t t^ . 1 VJ. 1 ««-L- - _ - -^:s e^^J. ^ W J v^^^'^^^-y— ^ '^.L.._._f, 4:.....,....^ .?_! — - y -V - y— - % ^h.r.j}J..y__lAczl TOTi _ __ _ Jan. fab. Mar. Apr. Miy luna loly Aug. Sapl. Ocl. Nov. Dae. Ian. Fab. Mir. Apr. May Juna July Aug. Sapl. Ocl. Nov. Doe. Ian. Fab. Mar. Apr. May Juno July Aug. Sapl. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. May luno luly Aug. Sapl. Ocl. Nov. Dae. Jan. Fob. Mar. Apr. May Juna Jul, Aug. Sapl. Ocl. Nov. Doc. 1953 195'* 19 55 1956 1957 QQiLITT CH4IUCTERISTICS OF ALAMO RITER AT INTERNATIONAL BODMDART (STATION 59) B-333 Plate B-61 "i ir^^ — - -^^.- gtoOO-- - - ^ T I 1 "•5000 -- _ __ _ J- - ■* 1 \- T ^\ - •^UAon -- -t A h- ^ZZCI^Z^'^- ^L --- ^^ ^X— -U -_.:::!—_ ^ a h \j t^ \f §3000-- --^ 7 ~ ~" ~ ~ ~~ i^T'r A__. _^_L_A_L i , \7 ^^, ^^^ Li? ._^^_V ^ A;j g 1000 - -- 1 c Jan. Fob. Mar. Apr. May Juna July Aug. Sept. Oct. Nov. Dae. Ian. Fab. Mar. Apr. May Juna July Aug. Sopt Oct. Nov. Dae. Jan. Fab. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dee. Jan. Fob. Mar. Apr. May June July Aug. Sept Oct. Nov. Dec. Jan. Feb. Mar. Apr. Ma, June lul, Aug. Sept. Oct. Nov. Doe. 1953 IJS** 1955 1956 1957 atULITT CHiPACTSRISTICS Of MKV RIVER AT INTERNATIONAL BOONIURT (STATION 57) ]____. : :::: A 5 J .1] , u ^ i I 3 ^ , -.iri5:rj^-''"V^'\7' &25OO - _ -alic*^ / \t ^ ft. •'^ . ^ y \ 7 ^ \- r I - -J 7 - — u -J— - » __Ia_., vZ__!:v:! S1500 - \lyy-4 _- J __ s «-3 000 e -- c Jan. Feb. Mar. Apr. Ma, June July Aug. Sept. Oct. Nov. Dec. Jan. Fob. Mar. Apr. Ma, June Jul, Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. Ma, lune July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. Ma, Juno July Aug. Sept. Oct. Nov. Dec. Jan. Fob. Mar. Apr. Ma, June lul, Aug. Sept. Oct. Nov. Dec. 1953 I95H 1' >55 1956 1957 i aUALITY CHARACTERISTICS OF NEW RIVER AT WESTMORLAND (STATION 58) B-334 6 in Q V) Plate B-62 UAn _ MOO J " '"""" '"t""""":"::::::: _ ^5* ^«-^ — .»- 1 ^-.^1 .._tv^„^l^^-::=.^ ^.^i — '^.l 2U0 -^A---. = ^^--j ^-;;^'= ^^ = .^- ,^ J r loO IT — ftn _ J ^ ii i ^ ili iU ^ i ii i k i li lU i i ii i i i I: Auit. Sepl. Oct Nov. Dec. Ian. Fab. Mar. Apr. Ma, luna Auj. Sepl. Del. Nov. Dec. Ian. Feb. Mar. Apr. Ma, luna July Sepl. Del. Nov. Dec. 1953 195^ 1955 1956 1957 QQiLITY CHARACTERISTICS OP HHITEIUTra RIVER AT VHITEVATER (STATION 68) B-335 'I r Plate B-63 1200 - 1000 - 800 - _|_ (V ^/\M t _ / :, 600 - ^ "« r^' :^__ _._ .^ct:....j:y.L\..z^Z.i...l v^'^ "-A \ r ^ J T ^ ^ V Moo - \ J 1 ~ ^ - - i i t : l^ ? u. Z < S ^ ^ < c Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Doc. Jan. Feb. Mar. Apr. May June July Aug. SepI. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Juna July AuB. SepI. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July AuB. Sept Oct. Nov. Dec. 1953 195"+ 1955 1956 1957 QUALrrr cbiracteristics OP CHOiO CREHC NEiR CHINO (STATION 86) a. as M V> B t S i -^ s 2»I0-- -- 200 .2:1 ,'-J\ A 6 - ^"r = .,. ,, ^-''^^^'"v^ _ S,,^i -. r^'" ,, ""3"' = ' }i\l.\'-. .:y!Y. l.yi 120- -*-rr '^^ t 80 1 ... Jan. Feb. Mar. Apr. May Juno July AuB. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Juno July Aug. SepI. Oct. Nov. Dec. Feb. Mar. Apr. Ma, June July AuB. SepI. Oct. Nov. Dec. Jan. F.b. Mar. Apr. May June July AuB. SepI. Ocl. Nov. Dec. Jan. Feb. Mar. Apr. Ma, June July Aug. SepI Oct. Nov. Doc. 1953 195"+ 1955 1956 195/ t aUALITT CHARACTEFasTICS OF SiNTA ANA RIVER NEAR MENTONE (STATION 5IB) B-33T Plate B-6U 1200 - 1000 - 000 - t 'S /■ ■^ ^ 'y A. /-- -N \^ , )A1 \ •b/ r ^- s -.' >v 600 ^ "■"^ -y r ^ - -/ V/ I' y-^ V V s/ r MOO - 200 ~ Fab. Mar. Apr. May June luly Aug. Sapt. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May lone luly Aug. Sept. Oct. Nov. Doc. Feb. Mar. Apr. May lune luly Aug. Sept. Oct. Nov. Dec. iiikiliiltki 1953 195»t 1955 1956 1957 aOALITT CHARACTKRISTICS 0? SANTA ANA RIVER NEAR PRAOO DiM (STATION 5U) I ---"--; i g Wl *^800"-"-- -- - - - - I 1 _._ A_- a _ /"-- 'N ^ /.^-^'■- - --'■-,^ / V' 8 ^^^^^^^ v- X^" vT^ ^^7 ^ ^^ ^=' ./ u > Q - — - - 2 c Ian. Feb. Mar. Apr. May June luly Aug. Sept. Oct. Nov. Dae. Ian. Feb. Mar. Apr. May luna luly Aug. Sept. Oct. Nov. Dec. Ian. Feb. Mar. Apr. May luna luly Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May luna luly Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May luna luly Aug. Sapt. Oct. Nov. Dec. 1953 1951* 1955 1956 1957 QUAlalTT CHARACTERISTICS Of SANTA ANA RIVER AT RIVERSOK (5TATIC9J 51D) B-338 Plata B-65 QOALITT CHARACTERISTICS Of Vim CREOC AT COLTON (STATION 5OB) z m u a. 5 a B oOO 500 [- ts^ f - 7 „._,.^.!u=^ E.t .. *" "7 f\/'\'^ ^-./ 5 _.___J «, / ^^■-- '^.U ^7 300 y "-o — ^"'"n 1 200 - - 100 - iiiiiiiiiikiiiikiliittiiiii^ii July AuB. Sapt. Ocl. Nov. Dae. Ian. Fab. Mar. Apr. May Juna July AuB. Sapl. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. May Juna July Aug. Sapl Ocl. Nov. Dae. 1953 195'* 1' ?55 1956 1957 QUALITY CHARACTHUSTICS OF VAEH CR£II AT SAN BEBHARDDK) (STAlIOJi 50c) B-339 ^ Q a put* B-66 2>I00 "- -- "" :::::::::::::::::::::::::::::::::::::::::::t:: ":iii""" T T -L- r.^ ''^ tfioOt ± /'t '\ t' t-.:::- Y:l\i.l-A-l .«o -------------7 ^_^,_. jj »^ _"■ ____!_ SI 000 ^ vt ■ «W0 "~ ~ — ~ ~~ --- c Jin. Fib. Mir. Apr. Miy Juni July Aug. Sipt. Oct. Nov. Doc. Iin. Fib. Mir. Apr. Miy Juni July Aug. Sipt. Oct. Nov. Die. Jin. Fib. Mir. Apr. M.y Juni July Aug. Sopt. Oct. Nov. Die. Jin. Fib. Mir. Apr. Miy July Aug. Sipt. Oct. Nov. Die. Jin. Fib. Mir. Apr. Miy Juni July Aug. Sipt. Oct. Nov. Dm. 1953 ^^ 1955 1956 1957 QDALITT CH/IRACTERISTICS OP IKCONDIOO CREK HUR HjUHONT GROTE (station 63) I s"" .., / . \..U—\ u^ , j..:m-1 -U-l-—. I ^/l^vd A-,/.^-— ^V- \4 l.^ /..1\[ c'A-hy. 5 ^:.:.... a ^1^^- _ _ ^-^-^^-: 4J - - - _ __ _ _ 1 V ' ? Ann -_ L! _ _- ^ 5 "WO _ __ _ _ _ __ _ _ c Jin. fib. Mir. Apr. M.y luni July Aug. Sipt. Oct. Nov. Die. Iin. Fib. Mir. Apr. Ma, Jun. July Aug. Sipt. Oct. Nov. Die. Jin. Fib. Mir. Apr. Miy Jun. July Aug. Sipt. Oct. Nov. Die. Jin. Fib. Mir. Apr. Miy Juni July Aug. Sipt. Oct. Nov. Dee. Jin. Fib. Mir. Apr. Miy Juni July Aug. Sipt. Oct. Nov. Die. 1953 I95H 1555 1956 1957 onALITT CHASUCTCRISTICS Of SAN 01X00 RCTER AT COiD MISSION DAH (STATION 65) B-3I1I Plata B-67 i •J ftio 1 g i *" ::::::::::::::: /\ . \ \ 2 \ r.. /\ r^v^* ^ ^^ _...,..,__,^__S^^. 1 ^ ..Zv:^-IL[_V-^ -____. --y -- - i ^ p....! a - - 1 .200 gioo -- „ __ __ c Ian. F.b. Mar. Apr. May June July Sapt. Ocl. Nov. Dae. Jan. Fab. Mar. Apr. May Juna July Aug. Sept. Oct. Nov. Dec. Jan. F.b. Mar. Apr. May June 1953 l??"* 1955 195<> 1957 IF wurtr CHiiucnRisTics Of SAN LOIS RET RIVER NEAR PALA (STATION 62) 1200 S oi'lOOO 5 *» «^ 600 a ca 53 •too 200 .^ ^ < M O Z O 1953 V -^z. r -==.:,,i^ -^ < M O Z O 195^ ^:=^;? 1955 ^?=^ ^l£z^Z^^<