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TABLE 3 <br /> General Minerals and Anions in Ground Water <br /> Site Characterization Study <br /> Banner Island,Stockton,California <br /> Sample ID <br /> Parameter MW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 Channel <br /> pH(field) 6.5 7.8 7.4 7.4 7.0 6.7 7.3 7.0 6.6 _ 6.6 9.2 <br /> pH(laboratory) 6.8 7.6 _7.4 7.0 6.9 7.3 7.0 6.8 6.8 _ 9.0 <br /> EC(field) 1,650 452 367 978 1,250 1,050 2,080 2,820 1,740 476 <br /> EC(laboratory) 1,700 520 230 1,200 1,200 1,100 1,100 2,600 _1,600 470 <br /> Chloride 170 26 34 130 150 140 150 200 200 52 <br /> Nitrate as NO] 94 0.60 0.21 0.38 40 3.1 100 270 60 1.3 <br /> Phosphate 0.58 0.60 5.9 0.61 <0.50 0.81 <0.50 <0.50 <0.50 <0.50 <br /> Sulfate _ 140 57 29 140 97 130 410 560 85 _ 88 <br /> Alkalinity 470 210 160 300 300 240 440 440 440 86 <br /> TDS 470 210 160 300 300 240 440 440 440 86 <br /> Hardness 470 __130 70 350 360_ 300 740 1,000 550 __100 <br /> Calcium 140 140 _ 17 69 170 70 190 280 110 _23 <br /> Copper <0.01 <0:01 _<0.01 <0.01 <0.01 <0.01 <0.01 <0.01 _<0.01 <0.01 <br /> Iron 0.1 0.6 0.3 0.1 0.2 <0.1 <0.1 <0.1 <0.1 <0.1 <br /> Magnesium 32 11 _ 6.4_ 32 73 23 57 84 _ 41__ 11 <br /> Manganese 0.63 <0.02 0.55 2.8 0.30 1.3 4.7 1.5 0.33_ <0.02 <br /> Potassium 1.8 0.9_v _ 3.0 1.9 1.5 1.7 2.7 1.9 2.3 _ 3.1 <br /> Sodium 190 71 64 120 260 120_ 190 210_ _130 46 <br /> Zinc <0.01 <0.01 I <0.01 I <0.01 <0.01 <0.0 I <0.01 <0.0 I <0.0I <0.01 <br /> NOTES <br /> EC: Electrical conductivity <br /> i TDS: Total dissolved solids <br /> All concentrations in parts per million(milligrams per liter)except pl4(standard units) <br /> and EC(micromhos per centimeter) <br /> L N6HXLS.030 <br /> 11/21/95 <br />