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<br />Table G-19 <br />Well SOM-2-H -Water Quality and Field Parameters <br /> Baseline Sample Dates <br />Field Parameter Units Minimum Maximum Mean 6/3M137 7/6/97 9/29/97 <br />Water Sudace Eleratbn leer 7231.8 7230.66 7229.22 <br />Conduciviry (Field) umhos/cm 3100 3200 3000 <br />pH (Field) SU 8.2 8.3 8.1 <br />Temperalum ° C 14.6 14.6 14.4 <br />Total Dissolved Solids (Field) mg/L 1550 1590 1500 <br />Comment <br />Laboratory Parsrtreten <br />Alkalinity, total mgh 1150 <br />Amnnnia mg/L 0.14 0.19 0.2 0.19 <br />Arsenic, dissolved mg/L 0.001 0.001 0.001 0.001 <br />Bicarbonate mg/L 989 1140 1065 1140 <br />Cadmium, tlissoNeO mg/L 0 0 0 < 0.006 <br />Calcium, dissolved mglL 4.6 4.6 4.6 4.6 <br />Carbonate rrgrL 7 <br />Chloride mg/L 310 450 390 310 <br />Conductivity (Lab) umhos/cm 2880 3060 2970 2880 <br />Hardness mg/L 21 37 29 21 <br />Hydroxide mg/L c 2 <br />Iron, dissolved mg/L 0 0.1 0.05 c 0.02 <br />Imn, total rrg/t. 1.76 19.4 7.56 4.56 <br />Lead, dissolved mg/L 0 0 0 < 0.08 <br />Magnesium, tlissdved mg/L 2.4 2.d 2.d 2.4 <br />Manganese. tlissolvetl m9/L 0.015 0.02 0.018 0.02 <br />Manganese, total mg/I. 0.037 0.27 0.11 0.06 <br />Mercury, dissolved m9ti 0 0 0 < 0.0002 <br />Nitrate (as N), dissolved mgt < 0.02 <br />Ni121eM~tnle (as N) mg/L 0 0.04 0.02 < 0.02 <br />NitrNe (as N), dissoNetl mg/L < 0.01 <br />Nitrogen, amrtgnia mg/L 1.87 <br />pH (Lab) SU 8.1 8.9 8.6 8.5 <br />Phosphate (OAho), dissolved mg/L 0 0.007 0.004 0.007 <br />Selenium, dissolved mg/L 0 0 0 c 0.001 <br />Sodium Absorblion Ratio 46.8 70.4 56.6 70.4 <br />Sodium, tlissolved mg/L 739 739 739 739 <br />Suttate mg/L 0 10 5.0 < 10 <br />Total Dissolved Solids (Lab) mg/L 1656 7760 1718 1720 <br />Zinc, dissolved nxyL 0 0 0 < 0.02 <br />wellss7.xls West Elk Mine <br />527/9a 1997 Annual Hydrology Report Wdght Water Engineers <br />