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Spring G-28A (20) <br />Water Quality and Field Parameters <br /> <br />• <br />~. <br /> <br />Mountain Coal West Elk Mine <br />Monitorin Location S rin G-28A Baseline 200t Water Year <br />Descrt tion Units Minimum Maximum Mean 4/27/2001 6/26/2001 9/28/2001 <br />Field Parameters <br />FIOW ~ m 0.83 0.27 0.06 <br />Electrical Conductivi timhos/Cm 840 910 950 <br />H SU 7.4 7.4 7.6 <br />Tem erature oC 6.4 9.1 14.9 <br />Comment <br />Laborato Parameters <br />Name of Certified Lab ACZ <br />Lab Reference N L32685-03 <br />Sam {e Date 6!26/2001 <br />Lab Test Date 6/29-7/t2 <br />Sam led B R.H. <br />Alkalini otal CaCO3 m <br />Aluminum dissolved m <br />Anions me <br />Arsenic, dissolved m <br />Arsenic, total m <br />Bicarbonate m 338 400 367.4 <br />Boron, dissolved m <br />Cadmium, dissolved m <br />Calcium, dissolved m <br />Carbonate m <br />Cation -Anion Balance m <br />Cations me <br />Chloride m 5 to 6 <br />Conducts umhos/cm i600 1600 1600 940 <br />Co er, dissolved m <br />Hardness ~ m 162 654 336 <br />H droxide m <br />Iron dissolved m -0.O1 <br />Ifon total m 0.06 1.12 0.526 0.47 <br />Lead, dissolved m <br />Ma nesium dissolved m <br />Man anese dissolved m <br />Man anese, total m 0.02 0 <br />Mercu ,total m <br />Mol bdenum dissolved m <br />Nitrate as N ,dissolved m <br />Nitrate/Nitrite as N m 0.21 0.132 <br />Nitrite as N ,dissolved m <br />H SU 7.9 7.9 7.9 7.5 <br />Phos hate m <br />Phos horns Ortho ,dissolved m <br />Potassium, dissolved m <br />Selenium, total rrm <br />Sodium Absor tion Ratio SAR talc. <br />Sodium dissolved m I <br />Sulfate m 64 550 168.8 <br />TDS Ratio talc. <br />TDS Calc. m <br />TDS - m 420 1100 561 510 <br />TSS m 28 <br />Zinc, dissolved ~ m <br /> <br />AAL. Inc -American Assa Laboratories, I nc., S arks, Nevada <br />' Standard Is for reference u oses onl <br />NA - not a licable NM -not measured NR -not re orted <br /> <br />West Elk Mine <br />E-7 2001 Annual Hydrology Report HydroGeo, Ina. <br />