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<br />• Table No. 1 - Purgatoire River <br />i <br />Date of Sampling: April 19, 1979 <br />Concentration in mg/1 <br /> East <br />Parameter of Allen <br />Boron, ug/1 <30 <br />Calcium 35 <br />Iron <0.02 <br />Magnesium 6.3 <br />14anganese <0.01 <br />Potassium 1.2 <br />Silica, Si02 6.4 <br />Sodium 49 <br />7ota1 Alkalinity 161 <br />Bicarbonate, HC03 190 <br />• _ <br />Chloride 3.0 <br />Specific Conductance, <br />umhos/cm 397 <br />Fluoride 0.4 <br />Hardness (EDTA) 95 <br />lloncarbonate Hardness 0 <br />Nitrate nitrogen 0.60 <br />pH value 8.5 <br />Total dissolved <br />solids @ 180°C 236 <br />Sulfate, 304 44 <br />Sodium absorption ratio 2.0 <br />i <br />~' <br />•,_ <br />i <br />COMMERCIAL TESTING b EN GINEERIN~ CO. <br />rAOV ~''~+r erm+r 4etl <br />YCY/ Pro UCL On <br />r..es <br />