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• <br />Table G-7 <br />Well SOM-13 -Water Quality and Field Parameters <br /> Baseline Sample Dates <br />Fleltl Parameter Units Minimum Maximum Mean 6/4/97 7/2197 9/20/97 <br />Water Sudace Elevation teal 6581.26 6580.25 6579.78 <br />Contludiviry (Field) umhoslrm 820 060 080 <br />pH (Fieltl) SU 7.4 7.5 7.2 <br />Temperature ' C 10 13.5 11.2 <br />Total Dissolved Solids (Field) mg/L 410 430 440 <br />Comment <br />Laboratory Parameter <br />Alkalinity, total mg/L 437 <br />Ammonia mg/L 0.375 0.407 0.42 < 0.01 <br />Arsenio tlissoNe0 rng2 < 0.007 <br />Bicarbonate mg/L 460 590 511 437 <br />Catlmium, tlissolved mg/L < 0.003 <br />Calcium, dissolved mg/L 76.1 <br />Carbonate mg/L < 2 <br />Chloritle mgA. 6 13 10 9 <br />Conductivity (Lab) umhos/cm BO6 <br />Hardness m9/L 249 292 264 297 <br />Hytlroxide mg/L < 2 <br />Iron, dissolved m9ti 0 0.027 0.009 0.11 <br />Imn, total n52 0.37 1.07 0.61 0.57 <br />Lead, dissolved m9ti < 0.04 <br />Magnesium, tlissolvetl mglL 26 <br />Manganese, tllssoNetl mg/L 0.006 0.026 0.013 0.006 <br />Manganese, total mgA. 0.019 <br />Merwry, dissolved mg/L < 0.0002 <br />Nihale (as N), dissolved mgA. 1.21 <br />NitrateMildte (as N) ngA. 1.21 <br />Nitdte (as N), dissoNetl mg/L < 0.01 <br />Nitrogen, ammonia m9/L < 0.05 <br />pH (Lab) SU 7.15 7.55 7.4 7.9 <br />Phosphate (Onho), Dssolved mg/L 0 0.065 0.012 < 0.005 <br />Selenium, dissolved r^B2 0.008 <br />Sodium Absorblion Ratio 2.94 <br />Sodium, dISSDNed m9IL 115 <br />SuMate mg/L 32.85 77.5 61.0 40 <br />Total Dissolved Solids (Lab) rtg/L 512 688 622 480 <br />Zinc, dissolved mg/L 0.03 <br />Wells97.x15 Wasf Elk Mine <br />5/27/98 1997 Annual Hydrology Report Wdght Water Engineers <br />