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1 <br />• <br />( <br />i <br />Table No. 1 - Purgatoire River <br />i <br />i <br />Date of Sampling: April 19, 1979 <br />Concentration in mg/l <br />East. <br />Parameter <br />of Allen <br />Boron, ug/1 <br /><30 <br />Calcium <br />35 <br />Iron <br /><0.07. <br />Magnesium <br />6.3 <br />Manganese <br /><0.01 <br />Potassium <br />1.2 <br />Silica, Si02 <br />6.4 <br />Sodium <br />49 <br />Total Alkalinity <br />161 <br />/ <br />Bicarbonate, HCO3 <br />190 _. <br />Chloride <br />3.0 <br />Specific Conductance, <br />umhos/cm <br />397 <br />Fluoride <br />0.4 <br />Hardness (EDTA) <br />95 <br />Noncarbonate Hardness <br />0 <br />Nitrate nitrogen <br />0.60 <br />pH value <br />8.5 <br />Total dissolved <br />Solids @ 1800C <br />236 <br />Sulfate, 504 <br />44 <br />Sodium absorption ratio <br />2.0 <br />i <br />I <br />i <br />i <br />COMMERCIAL TESTING & ENGINEERING CO. <br />COD, W ... 11a,Lld A <br />F0, Yaw Pr000VOn � aq <br />I •66 AI <br />