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• <br />Table G-10 <br />Well SOM-4SH-2 - Water Quality and Field Parameters <br /> Baseline Sample Dates <br />Field Parameter Units Minimum Maximum Mean 5/31/97 7!6/97 8/4/97 827/97 9/29/97 <br />Water Sudaw Elevation Teel 7585.53 7585.37 7554.8 7585.08 7584.93 <br />Condudiviry (Field) umhos/cm 1360 1360 1400 1360 1320 <br />pH (Field) SU B 1 8.1 8.2 B.1 7.9 <br />Temperature ' C 10.8 9.B 10.8 9.8 8.B <br />Total Dissolved Solitls (Fieltl) mg/L 680 680 700 680 660 <br />Cammenl <br />Laboratory Parameter <br />Alkalinity, total mg/L 900 799 766 746 <br />Ammonia mg/L 0.73 2.35 0.76 <br />Arsenic, dissolved mg/L 0.001 0.002 0.001 0.001 0.002 0.001 0.001 <br />aiUfbonate mryL 346 1156 652 682 799 766 746 <br />Catlmium, dissolved mg/L 0 0 0 < 0.003 < 0.003 < 0.003 < 0.003 <br />Calcium, tlissolved mglL 5.4 6.9 6.02 6.9 6.4 5.9 5.4 <br />Carbonate rtxyL 218 c 2 c 2 < 2 <br />CNOdde mgrL 2.4 10 7.3 9 7 8 8 <br />Hardness mg/L 20 882 267 26 25 23 21 <br />Hydroxide m9/L < 2 < 2 < 2 < 2 <br />Iron, dissolved m9/L 0 0.86 0.27 0.36 0.24 0.57 0.01 <br />Iron, total mg/L 0.53 6.15 2.42 <br />Magnesium, dissolved mglL 1.6 5 2.43 2.2 2.2 1.9 1.7 <br />Manganese, dissolved mgA. 0.05 0.064 0.056 0.064 0.057 0.056 0.052 <br />Manganese, total mg/L 0.014 0.39 0.166 <br />Mercury, dissoved mg/L 0 0 0.000 c 0.0002 < 0.0002 < 0.0002 < 0.0002 <br />Nitrate (as N), dissoved n52 0.04 0.03 < 0.02 < 0.02 <br />Ni12teMddte (as N) mg/L 0 0.04 0.014 0.04 0.03 < 0.02 < 0.02 <br />Nitdle (as N), di5501ved mg/L < 0.01 < 0 01 c 0.01 < 0.01 <br />Nitrogen, ammonia mg/L 0.49 0 52 0.65 0.8 <br />pH (Lab) SU 7 7.95 7.4 <br />Phosphate (Odho), tlissoNetl rtxyL 0 0.535 0.067 0.02 0.036 < 0.005 0.008 <br />Selenium, dissolved mg/L 0 0 0.0 < O.OOt < 0.001 < 0.001 < 0.001 <br />Sodium ADSOrbtion Ratio 14.9 35.8 30.4 31.3 33.9 33.2 35.8 <br />Sodium, dissolved mglL 338 385 363 365 385 358 368 <br />Sulfa7e mg/L 20 526 197 30 20 30 20 <br />Total Dissolved Solids(Wb) mg/L 670 1480 961 860 890 840 860 <br />Total Suspended Solids m9/L c 5 6 B < 5 <br />Turbidity (Lab) NTU 4.1 5.5 1.2 1.6 <br />Zinc, tlissolved m9/L 0 0.01 0.006 0.01 < 0.01 0.01 0.01 <br />weiis97.xis West Elk Mine <br />527x98 1997 Annual Hydrology Report Wngnt water Engineers <br />