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<br />r <br /> <br />,- "" {'." <br />"~'..i... <br />OPERATION AND MA1NTENANCE <br /> <br />..1 <br /> <br />l <br /> <br />the universities, junior colleges and high schools in the southland <br />area. <br />The educational program to assist both commercial and ama- <br />teur growers in solving their cultural problems was continued by <br />lectures before groups and by personal interviews. Assistance wa" <br />al.so given where questions were raised relative to the condition- <br />ing of Colorado River water for specific industrial purposes. <br /> <br />ljllolily of Colorado Hirer -wata <br /> <br />An average anal~'sis of Colorado River water a:i received at and <br />delivered from the softening and filtration plant during the fiscal <br />year 1951-52 is given in table 6. The quality of the natural water <br />by months is given in table 7 and the quality of the softened water <br />by months in table 8. With the present designed capacity of the <br />plant, which was exceeded by the demand for softened water for <br />part of one day only during the year, it was possible to maintain <br /> <br />TABLE 6 <br /> <br />ANALYSIS Ot" !:OLORADO RIVER WATEII <br /> <br />AH:'r"UgC "or Yeur EndinG June 30, 1952 <br /> <br />COr\C;,T1TUENTS <br /> <br />SrMIlOL <br /> <br />C()LOHADO RI\"EH W"TE.1l <br />N.nuAA[' SOFTEN EO <br /> <br />Silica ................................. SiO~ <br />Irt.ln .................. ............... . Fe. <br />Calciulll ............................... Ca <br />l\fagne.silJlll .................. ........ .M~ <br />I ~~~~~;~\l;'~':::::::.....:::::::::::::::: :~3 <br />- ------C8rbon!lte~~ :7..:-;-;-;,~.--:-;-:-;-:-.-f~O" <br />RicarLr.'l13tc ...... . ......... ............ HC03 <br />Sulfale .,.............................. SO. <br />Chloride............... .... .. .......... CI <br />Nilrate ................................N03 <br />Boron................................. R <br />FllluricJe ............................... r <br /> <br />6...J. pplll. <br />TL <br />77 <br />29 <br />98 <br />.. <br />]--~ <br />1.19 <br />286 <br />80 <br />0.3 <br />0.1 <br />0.:] <br />6S2 <br /> <br />8.6 pprn. <br />T,. <br />30 <br />12.S <br />180 <br />3 <br />6-~ <br />116 <br />286 <br />83 <br />0.3 .. <br />0.1 <br />0..' <br />668 <br /> <br />Tvlal dissolved .',uJi,!<; ............... <br /> <br />\ <br />, <br />" <br /> <br />lIardlwss as CaCO~ <br /> <br />Tulal......................... ..... <br />Carhonate ......................... <br />Noncarbonate .............. <br /> <br />JI2 12S <br />116 105 <br />196 20 <br />0 0 <br />8A 8.8 <br />1025 1080 <br /> <br />free Carhl)1I dioxiJe .............. <br /> <br />Hydrogen ion c('lIcelllration ........ <br />l-:lcclrical cunductivity .................. <br /> <br />I <br />, <br />I <br />.' <br />, <br />\ <br />