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Well96.27-7 <br />Water Guality and Field Parameters <br />i <br />• <br /> <br />Mountain Coal West Elk Mine <br />Monitorin Location We1196-27-7 Baseline 2001 Water Year <br />Descri lion Units Minimum Maximum Mean 5/9/2001 8/2312001 9/27/2001 <br />Field Parameters <br />Water Level De th leaf 1243.92 1245.02 1248.8 <br />Electrical Conductivi umhos/cm 2400 2600 2510 2400 2400 2400 <br />H SU 8.2 8.9 8.5 8A 8.4 8.3 <br />Tem erature ~ oC 18 19.2 77.9 19.1 19 19.7 <br />Comment <br />Laborato Parameters <br />Name of Certified Lab ~ ACZ <br />Lab Reference q ~ L34147.04 <br />Sam le Date 9/27/2001 <br />Lab Test Date ~ 10/1-10/22 <br />Sam letl B R.H. <br />Alkafin' otal CaCO3 m 1310 1480 1400 1260 <br />Aluminum, dissolved m <br />Ammonia m 0.1 0.1 0.1 0.06 <br />Anions <br />Arsenk: dissolved <br />Arsenio, total me <br />m ~ <br />m ' 26.6 <br />0 27.6 <br />0.001 27.1 <br />0 25.6 <br />-0.003 <br />Bicarbonate - m 1310 1470 1369 1240 <br />Boron, dissolved m 1.03 <br />Cadmium dissolved rri 0 0 0 -0.0005 <br />Calcium dissolved m 4.7 7.2 5.7 3.9 <br />Carbonate m 0 73 31 21 <br />Cation -Anion Balance % -1.9 4.1 0.8 -1.4 <br />Cations me 25.6 29.5 27.6 24.9 <br />Chlodde in 10 29 14 7 <br />Conducti ' ' ~ umhos/cm 2290 2350 2323 2210 <br />Co er, dissolved m <br />Hardness m 16 24 20 14 <br />H droxide ~ <br />Iron, dissolved <br />Iron, total m <br />m <br />m " 0 <br />0 <br />0.97 0 <br />1.32 <br />2.54 0 <br />0.24 <br />1.61 -2 <br />0.05 <br />1.11 <br />Lead dissolved ~ m - 0 0 0 0.0036 <br />Ma nesium, dissoNetl ~ m I t 2.1 vas t <br />Man anese, dissolved <br />Man anese total ~ <br />Mercu dissolved m <br />m <br />m - 0 <br />0.031 <br />0 0.355 <br />0.059 <br />- 0 0.062 <br />0.0413 <br />0 0.009 <br />0.023 <br />-0.0002 <br />Mol denum, dissolved m <br />NitrateMitrite as N <br />Nitro en ammonia <br />H m <br />m - <br />SU - 0 <br />0.84 <br />6.9 0.36 <br />1.08 <br />8.4 0.05 <br />0.95 <br />7.9 <br />~ -0.04 <br />0.59 <br />8.3 <br />Phos hate m 0 0 0 0.08 <br />Phds horns Oriho ,dissolved m 0 0.385 0.071 0.027 <br />Potassium dissolved m 3.4 3.6 3.5 3.5 <br />Selenium,~dissolved m 0 0 o -0.001 <br />Selenium, total' m <br />Sodium Absor lion Ratio SAR - talc. ~ 58.5 67.3 63.7 65.9 <br />Sodium dissolved m I 571 884 ~ 649 557 <br />Sulfate m 0 ~ 10 3 10 <br />TDS Ratio ~ talc. - Loa <br />TDS Calc. m 1350 <br />TDS m 1090 1650 14(17 1400 <br />TSS - m 66 104 81 <br />Zinc, dissolved m 0 0.37 0.06 ~ 0.02 <br /> <br />AAL. Inc -American Assa Laboratories Inc., S arks Nevada <br />' Standard is for reference u ores on <br />NA - not a licable NM -not measured NR -not re rted <br /> <br />West Elk Mlne <br />G-15 2001 Annual Hydrology Report HydroGeo, Inc. <br />