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Chemical Parameters-Data and Statistical Information <br />Harvey Gap Outlet - Above Mine <br />Parameters June Dec Avg Std Units <br />Physical Properties <br />pH (lab) 8.1 7.5 7.8 0.3 units <br />Conductivity @25 C 578 761 669.5 91.5 mhos/c <br /> m <br />Alkalinity-CaCO3 Totals 185 228 206.5 21.5 mg/1 <br />Hardness - CaCO3 301 383 342 41 mg/1 <br />Solids, dissolved 362 470 416 54 mg/1 <br />SAR in water 0.2 0.27 0.235 0.035 <br />Cations-sum meq/1 <br />Boron, dissolved 0.03 0.03 0.03 0 mg/1 <br />Calcium, dissolved 73 89 81 8 mg/1 <br />Magnesium, dissolved 29 39 34 5 mg/1 <br />Potassium, dissolved 2 1.7 1.85 0.15 mq/1 <br />Sodium, dissolved 8 12 10 2 mg/1 <br />Anions <br />Bicarbonate-CaCO3 185 228 206.5 21.5 mg/1 <br />Carbonate-CaCO3 0 0 0 0 mg/1 <br />Fluoride 0.2 2 1.1 0.9 mg/1 <br />Hydroxide-CaCO3 0 0 0 mg/1 <br />Sulfate 132 190 161 29 mg/1 <br />Harvey Gap Outlet - Below Mine <br />Parameters June Dec Avq Std Units <br />Physical Properties <br />pH (lab) 8.3 7.6 7.95 0.35 units <br />Conductivity @25 C 573 859 716 143 mhos/cm <br />Alkalinity-CaCO3 Totals 275 228 251.5 23.5 mq/1 <br />Hardness - CaCO3 299 373 336 37 mg/1 <br />Solids, dissolved 362 490 426 64 mg/1 <br />SAR in water 0.2 0.47 0.335 0.135 <br />Cations-sum meq/1 <br />Boron, dissolved 0.03 0.04 0.035 0.005 mg/1 <br />Calcium, dissolved 72 80 76 4 mg/1 <br />Magnesium, dissolved 29 42 35.5 6.5 mg/1 <br />Potassium, dissolved 2 1.8 1.9 0.1 mg/1 <br />Sodium, dissolved 8 21 14.5 6.5 mg/1 <br />Anions <br />Bicarbonate-CaCO3 275 228 251.5 23.5 mg/1 <br />Carbonate-CaCO3 0 0 0 0 mg/1 <br />Fluoride 0.3 0.2 0.25 0.05 mg/1 <br />Hydroxide-CaCO3 0 0 0 mg/1 <br />Sulfate 136 230 183 47 mg/1 <br />9 <br />