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• GROUND WATER MONITORING <br />Monitoring Well SC-1 SC-1 SC-4 SC-4 <br />Date 11/29/90 4/30/91 03/18/91 04/30/91 <br />Depth to Water 149 99 147 147 Ft. <br />Water Elevation 5957 6007 5993 5993 Ft. <br />pH (field) 8.1 7.6 9.4 8.5 units <br />Conductivity (field) 750 9000 1100 10000 umhos/cm <br />Alkalinity as CaCO3 1767 2728 332 3448 mg/1 <br />Bicarbonate as CaCO3 1767 2592 332 2952 mg/1 <br />Carbonate as CaC03 0 136 0 496 mg/1 <br />Boron, dissolved 1 1.5 0.23 1.5 mg/1 <br />Calcium, dissolved 20 30 31 20 mg/1 <br />Chloride 2150 2600 150 2600 mg/1 <br />Conductivity @ 25C (lab) 10400 12700 1240 13850 umhos/cm <br />pH (lab) 8.9 8.0 8.7 8.5 units <br />Fluoride 1.6 1.7 0.3 1.4 mg/1 <br />Hardness as CaCO3 75 116 119 91 mg/1 <br />Magnesium, dissolved 6.0 10 10.0 10 mg/1 <br />Nitrogen, ammonia 2.07 2.96 0.55 3.55 mg/1 <br />Nitrate as N, dissolved -0.02 -0.02 0.19 mg/1 <br />Nitrate/Nitrite as ?1 -0.02 -0.02 0.25 mg/1 <br />Nitrite as N, dissolved -0.01 -0.01 0.06 mg/1 <br />Potassium, dissolved 18 30 3 50 mg/1 <br />Phosphorus, ortho diss 0.038 0.04 0.360 0.04 mg/1 <br />hosphorus, total -0.005 0.05 0.66 0.12 mg/1 <br />~AR in water 113.1 109.5 8.5 146.2 <br />Silica, dissolved 8.3 15 20.8 22 mg/1 <br />Sodium, dissolved 2220 2680 209 3170 mg/1 <br />Sulfate 41 14 48 27 mg/1 <br />Sulfide as S 6.57 - - 0.26 <br />Solids, total suspended 22 14 202 20 mg/1 <br />Solids, total dissolved 6032 7316 720 8306 mg/1 <br />Turbidity 28 18.9 200 8.5 ntu <br />Anions (sum) 96.40 - - 11.85 meq/1 <br />Cations (sum) 99.64 - - 11.64 meq/1 <br />Cation-Anion Balance 1.65 -2.67 -0.89 0.09 % <br />Aluminum, dissolved -0.05 -0.5 0.12 -0.5 mg/1 <br />Arsenic, dissolved 0.008 0.004 0.003 mg/1 <br />Barium,dissolved 4.98 7.5 0.52 5 mg/1 <br />Cadmium, dissolved -0.005 -0.05 -0.005 -0.05 mg/1 <br />Chromium, dissolved -0.01 -0.1 -0.01 -0.1 mg/1 <br />Copper, dissolved -0.01 -0.1 0.02 0.1 mg/1 <br />Iron, dissolved 0.03 -0.2 0.04 -0.2 mg/1 <br />Iron, total 3.43 1.24 8.86 4.31 mg/1 <br />Lead, dissoved -0.02 -0.2 -0.02 -0.2 mg/1 <br />Mercury, dissolved -0.0001 -0.0001 -0.0001 -0.0001 mg/1 <br />Manganese, dissolved 0.09 0.2 -0.01 -0.1 mg/1 <br />Molybdenum, dissolved - - -0.5 -0.05 -0.5 mg/1 <br />Nickel, dissolved -0.02 -0.2 -0.02 -0.2 mg/1 <br />elenium, dissolved - - -0.01 -0.001 -0.01 mg/1 <br />~ilver, dissolved -0.01 -0.1 -0.01 -0.1 mg/1 <br />Zinc, dissolved -0.01 -0.1 0.01 -0.1 mg/1 <br />Water.Wkl 2.04-30hh New 6-11-91 <br />