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NORTHERN CALIFORNIA POWER AGENCY <br /> STIG PROJECT -- EVALUATION FOR INJECTION/DISPOSAL <br /> TABLE 1: FLUID COMPOSITIONS <br /> [mg/kg] <br /> ---------WHITE SOUGH--------- WASTE MIXTURESI <br /> 1 2 3 4 5 6 <br /> Bicarbonate 131 135 153 123 244 265 <br /> Sodium 63.3 63 72.2 63 118 128 <br /> Silica 59.5 58 80.8 54 111 120 <br /> Chloride 54.8 53 65.8 56 102 111 <br /> Nitrate 39.2 45 72.9 40 73 79 <br /> Sulfate 25.8 26 31.6 25 48 52 <br /> Potassium 13.2 13 15.0 12 25 27 <br /> Calcium 11.1 11 17.2 8 21 22 <br /> Magnesium 10.3 11 12.6 10 19 21 <br /> Phosphate 1.92 1.7 2.62 1.7 3.57 3.88 <br /> Fluoride 0.59 0.52 0.97 0.52 1.10 1.19 <br /> Barium 0.50 0.050 1.63 0.054 <br /> Iron 0.28 <0.1 0.63 0.03 <br /> Zinc 0.050 <0.05 0.1 0.09 <br /> Copper - <0.05 - 0.01 <br /> SUM 411.5 417.3 527. 393.4 765 831 <br /> pH 6.93 6.92 7.44 7.0 6.2 6.2 <br /> BOD 6.0 4.7 12.0 4.7 <br /> COD 27.3 21 62 <br /> TSS 13.4 15 <br /> Sp. Cond. 587 590 732 <br /> Turbidity 1.22 2.56 <br /> 1. Average, weighted (260 days) <br /> 2. Median, Russell Associates <br /> 3. Column 1 plus 2 standard deviations <br /> 4. Design composition, Russell Associates <br /> 5. Nominal mid-range (col 1 x 1.86) <br /> 6. Nominal high-range (col 1 x 2.02) <br /> 1Weighted average concentrations <br /> based on collective discharge rates <br /> mixed in the waste receiver tank. <br /> DON MICHELS ASSOCIATES -Missoula,Montana USA <br /> 5 <br />