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Lower Deep Creek <br />Surtace Water Quality and Field Parameters <br />f~ J <br />J <br />~J <br />C•16 <br />Mountain Coal West Elk Mine <br />Monitoring Location L. Deep Creek Baseline 2005 Water Year <br />Descri lion Units Minimum Maximum Mean 5/5/2005 6/10/2005 10/2/2005 <br />Field Parameters <br />Flow Staff Gau e oss 0.88 below stag <br />Electrical ConduMivit umh05lcm 120 380 246 300 245 3fi0 <br />H SU 8.t 6.8 8.5 7.66 7.57 8.06 <br />Tem erature °C °C o.t 1s.a 10 <br />Tem erature °F °F 4a.2 4a.o so <br />Comment <br />Laborato Parameters' <br />Name of Certified Lab AC2 <br />Lab Reference # L51623-OB <br />Sam le Date 6 /1 012 0 0 5 <br />Lab Test Date 6/13-7/t <br />Sam led B <br />Alkalini otal CaCO3 m /l 61 163 126 <br />Aluminum, dissolved m /I 0.03 0.02 <br />Anions me /I 1.8 3.2 2.5 <br />Arsenic, Dissolved m /l <br />Arsenic, total m /I <br />Bicarbonate m /I 65 173 132 <br />Boron, dissolved m /I <br />Cadmium, dissolved m /I <br />Calcium, dissolved m /I 18.6 46.6 31.9 <br />Carbonate m /I 12 2 <br />Cation -Anion Balance % -6.7 -2.9 -0.8 <br />Cations me /I 1.7 2.8 2.25 <br />Chloride m /I 2 1 <br />ConduMivi umhos/cm 162 270 216 141 <br />Co er, dissolved m /I <br />Hardness m /I 59 tss 110 <br />H droxide m /I <br />Iron, dissolved m /1 0.03 0.43 0.23 0.04 <br />Iron, total m /1 0.11 5.83 1.68 9.06 <br />Lead, dissolved m /I <br />Lead, total m /I <br />Ma nesium, dissolved m /I 3.1 7.5 s.4 <br />Man anese, dissolved m !I o.oos 0.005 <br />Man anese, total m /I o.1s o.oa <br />Mercu ,total m /l <br />Mol bdenum, dissolved m /I <br />Nitrate as N ,dissolved m /I <br />NitratelNitrite as N m /I 0.10 0.03 <br />Nitrite as N ,dissolved m /I <br />H lab SU 6.5 8.20 7.4 7.8 <br />Phos hate m /l 0.06 o.9s o.os <br />Phos horns Orlho ,dissolved m /l 0.32 0.007 <br />Potassium, dissolved m /I 0.8 Li t0 <br />Selenium, dissolved m /I <br />Selenium, total m /l <br />Sodium Abso lion Ratio SAR talc. 0.59 7.32 0.94 <br />Sodium, dissolved m /I 12.3 31.4 21.6 <br />Sulfate m /I 30 19 <br />TDS Ratio talc. <br />TDS Calc. m /I <br />TDS m /I 90 250 165 110 <br />T$$ m /I 448 93 342 <br />Zinc, dissolved mg/t <br />'Baseline, WY 2000, and WY 2001 data atla ted from WWE. <br />ACZ -ACZ Laboratories, Inc., Steamboat S rin s, CO <br />Ne alive values denote readin s below lab detection levels <br />NM -Not Measured <br /> <br />West Elk Mine <br />2005 Annual Hydrology Report HydroGeo, Inc. <br />