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Upper North Fork ~USGS) <br />Surtace Water Ouallty and Fieltl Paremeters <br />• <br />• <br />• <br />C-7 <br />Mountain Coal West Elk Mine <br />Monitoring Location N. Fork Upper (USGS) Baseline 20 05 Water Vear <br />Desch lion Units Minimum Maximum Mean 5/2!2005 fi/5/2005 9/12/2005 <br />Field Parameters <br />Flow stag au e <br />EIeClncal Contluctivi umhos/Cm 214 139 177 <br />H SU 7.37 7.48 7.41 <br />Tem rature °C °C <br />Tem emture °F °F W.3 52 56 <br />Comment <br />Laborato Parameters' <br />Name of Certifetl Lab ACz <br />Lab Reference # L53208-03 <br />Sam le Date 9/12/2005 <br />Lab Test Date 9/1410/23 <br />Sam led B SL <br />Alkalini otal CaCO3 m /1 e7 <br />Aluminum dissolved m !I -0.03 <br />Anions me /I t.8 <br />Arsenic dissolved m /I <br />Arsenic total m /I 0.001 0.001 0.001 00007 <br />Bicarbonate m /I 409 787 81.3 87 <br />Boron dissolved m /1 0.07 <br />Cadmium, dissolved m /I -0005 <br />Calcium, dissolved m /I 25.7 <br />Carbonate m /l -2 <br />Cation -Anion Balance °.6 2.7 <br />Cations me ll t.s <br />Chloride m /I 70 3 2 <br />Chromium total m /I -0.02 <br />Contluctivi umhos/om 76 241 169 177 <br />Co er, dissolved m /I 0.07 0.Ot d.ot -o.ot <br />C snide total m /I -o.ot <br />Hartlness m /I a0 107 70 81 <br />H draxide m /I -2 <br />Iron tlI5501ved m /I 0.38 0.09 0.02 <br />Iron total m A 28.3 1.6 1.77 <br />Lead, dissolved m !I 0.02 0.01 0.0003 <br />Lead total m /I <br />Ma nesium tlissolvetl <br />Man anese, dissolved <br />Man anese, total <br />Mercu ,total <br />Mol btlenum dissolved m M <br />m /l <br />m /I <br />m /I <br />m /l 2 3.4 <br />0.009 <br />0.19 2.9 <br />O.OOS <br />0.04 4.1 <br />-0.005 <br />0.05 <br />-0.0002 <br />-0.01 <br />Nickel, dissolved m /I -O.ot <br />Nitrate as N ,dissolved m A 0.03 <br />Nitrate/Nitrite as N m 11 0.19 0.06 0.03 <br />Nitrite as N dissolved m /I -0.07 <br />H lab SU 8.7 9 7.8 6.3 <br />Phos hate m /I 0.06 <br />Phos horns Ortho dissolved m A 7.67 0.12 002 <br />Potassium, dissolved m /I 1.0 <br />Selenium dissolved m I <br />Selenium total <br />Silver total <br />Sodium Absor tion Ratio SAR m /I <br />m /I <br />talc. <br /> <br />0.2 <br /> <br />7.62 <br /> <br />0.5 -0.01 <br />-0.00005 <br />0.33 <br />Sodium dissolved m /1 3.4 5.7 d.6 6.9 <br />Sulfate m /1 70 10 -10 <br />TDS Ratio m /I 120 <br />TDS Calc. talc. 92 <br />TDS m /l 30 650 109 110 <br />TSS m /I 638 55 26 <br />Zinc, dissolved mg/l -0.07 <br />'Baseline WY 2000 and WY 2001 data ads Ie0 from LARNE. <br />CZ -ACZ Laboratories, Inc. Steamboat S rin s CO <br />Ne alive values denote readin s below lab detection levels <br />NM -Not Measuretl <br /> <br />West Elk Mlne <br />2005 Annual Hytlrology Report <br />Hydrogen, Inc. <br />