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Spring 27-1 <br />Water Quality and Field Parameters <br /> <br />r1 <br />L_J <br /> <br />Mountain Coal West Elk Mine <br />Monitoring Location Spring 27-1 Baseline 2005 Water Year <br />Descd lion Units Minimum Maximum Mean 5/5/2005 6/10/2005 9/20/2005 <br />Field Parsmeters <br />Flow m 8.32 5.22 1.36 <br />Electrical Contludivily µmho5/Cnl 290 4fi0 364 593 872 730 <br />H SU 7.9 8.6 8.2 8.75 6.78 7.74 <br />Tem erature C) °C 3s ia.2 s.fi <br />Tem erature (°F) °F 46.6 44.2 57.0 <br />Comment <br />Laborato Parameters <br />Name of Certified Lab ACZ <br />Lab Refefence t! L51623-04 <br />Sam le Date sno/zoos <br />Lab Test Date 6/73-7/1 <br />Sam led B <br />Alkalinity (Total CaCO,) mg/I 138 290 169 <br />Aluminum, dissolved m A <br />Anions me fl 3.9 4.5 4.2 <br />Arsenic, dissolved m /I <br />Arsenic, total m !I <br />Bicarbonate m /I 138 290 168 <br />Boron, dissolved m /l <br />Cadmium, dissolved m /I <br />Calcium, dissolved m /I 19.9 29.4 24.4 <br />Carbonate m A 7 0.9 <br />Callon -Anion Balance % 1.3 4.3 2.8 <br />Ca600S me /I 4 4.9 4.45 <br />Chloritle m !I 2 6 3 <br />Conductivity µmh05/cm 368 437 403 577 <br />Co er, dissolved <br />Hardness m /l <br />m /I <br />64 <br />122 <br />85 <br />H droxide m /I <br />Iron, dissolved <br />Iron, total m /I <br />m /I <br />0.78 0.02 <br />9.15 0.01 <br />1.68 -0.01 <br />0.06 <br />Lead, dissolved m !I <br />Ma nesium, dissolved m /I 4.5 7.8 5.77 <br />Man anese, dissolved m 8 <br />Man anese, total m 11 0.1s2 0.037 <br />Mercu ,total m /I <br />Mol bdenum, dissolved m /l <br />Nitrate as N m /I 0.4 0.09 <br />Nitrate/Nitrite as N m /I O.a 0.08 <br />Nitrite as N m /I <br />H SU 7.6 8.2 7.9 7.3 <br />Phos hate m /I <br />Phos horns Ortho , dissolved m /l 0.022 0.003 <br />Potassium, dissolved m /I 1 1.2 1.1 <br />Selenium, dissolved m /1 <br />Selenium, total m ~ <br />Sodium Abso lion Ratio SAR talc. 2.91 4.s6 3.4 <br />Sodium, dissolved m /I 57.2 74.5 66.1 <br />Sul(ale m /I 30 80 57 <br />TDS Ratio talc. <br />TDS Calc. <br />TDS m ~ <br />m /I <br />210 <br />300 <br />252 <br />350 <br />TSS m 4 98 42 10 <br />Zinc, dissolved mg/I <br /> <br />ACZ Laborato , Steamboat S rin s, Colorado <br />Ne ative values denote readin s below lab detection levels <br />NA - not a licable NM -not measured NR -not re orled <br /> <br />West Elk Mine <br />E-8 2005 Annual Hydrology Report HydroGeo, lnc. <br />