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Upper Dry Fork Flume <br />Siirfare Water Qualitv and Field Parameters <br />• <br />• <br />0- <br />Mountain Coal West Elk Mine <br />Monitoring Location: Upper Dry Fork Flume Baseline' 2008 Water Year <br />Enviro- <br />Descri tion Units Minimum Maximum Mean 5/11/2008 6/8/2008 Chem MDL 8/21/2008 <br />Field Parameters <br />o. <br />0 <br />18 <br />. <br />0.38 <br />Staff Gua a <br />Flow 168 177 <br />177 66 <br />Electrical Conductivity umhos/cm 5 <br />7 <br />57 87 <br />7 7.94 <br />H SU . <br />. . <br />Temperature (°C) °C 2.5 14.6 15.6 <br />ment <br />C <br />om <br />Laboratory Parameters s <br />Name of Certified Labe Enviro-Chem <br /> <br /> 08/947 <br />Lab Reference # x18/2008 <br />Sample Date 6/s-7/31 <br />Lab Test Date <br />P. Holder <br />Sampled B 94 <br />56 2 <br />Alkalinity Total CaC03 m /I <br />m /I 16 <br />0 0.16 0.16 . <br />0.544 0.01 <br />Aluminum, dissolved . 152 <br />2 talc <br />Anions me /I . <br />Arsenic, dissolved m /I <br />m /I <br />002 <br />0 <br />0.002 <br />0.002 <br />0.015 <br />0.001 <br />Arsenic, total . <br />Bicarbonate m /I 22 140 64 <br />0 <br />76 <br />0.01 <br />Boron, dissolved m /I . <br />002 <br />0 0.0 <br />1 <br />Cadmium, dissolved m /I . <br />16 <br />7 0 <br />1 <br />Calcium, dissolved m /I 8.8 8.8 8.8 . . <br />. <br />Carbonate m g/11 <br />sa <br />s <br />talc <br />Cation - Anion Balance % . <br />018 <br />2 talc <br />Cations <br />id <br />Chl me /I <br />m /I 49 7.3 . <br />2.51 0.1 <br />or <br />e <br />Conductivity umhos/cm 43 877 176 164.96 1 <br />dissolved <br />Copper m /I a.o34 0.002 <br />, <br />Hardness m /I 19 98.5 48.7 56.44234 talc <br />Hydroxide m /I <br />m /I <br />0.3 <br />0.1 <br />0.3 <br />0.01 <br />Iron, dissolved <br />l <br />t <br />t m /I 0.17 27.2 3.9 2.49 0.01 <br />a <br />Iron, <br />o m /I 0.007 0.005 <br />Lead, dissolved <br />Lead, total m /I <br /> <br />m /I <br /> <br />1 <br />2 <br />. <br />17 <br /> <br />145 <br />. <br /> <br />.58 <br />3 <br />0.1 <br />Magnesium, dissolved m /I . <br />014 <br />0 024 <br />0 0.018 0.006 0.005 <br />Manganese, dissolved /I . <br />004 <br />0 . <br />45 <br />0 0.078 0.062 0.005 <br />Manganese, total m . . <br />Mercury, dissolved m /I <br />oooo5 <br />O <br />0.000025 <br />Mercu ,total m /I . <br />0011 <br />0 0.001 <br />Molybdenum, dissolved m ll . <br />0 0.13 <br />Nitrate as N), dissolved m /I 0 <br />Nitrate/Nitrite as N m /I 0.02 0.13 0.08 - <br />dissolved <br />Nitrite Nitrite as N) m /I 0 0.01 <br />, <br />H l <br />b SU 6.1 8.2 7.4 7.47 0.1 <br />a <br />Phosphate m /I 0 0.01 <br />0 <br />01 <br />dissolved <br />Phosphorus Ortho m /I 3.19 0.27 . <br />, <br />Potassium, dissolved m /I 1.07 0.1 <br />Selenium, dissolved m /I <br />002 <br />0 <br />0.001 <br />Selenium, total <br />Sodium Absorption Ratio SAR m /I <br />talc. <br />0.26 <br />1.18 <br />0.66 . <br />0.962 <br />talc <br />dissolved <br />Sodium m /I 6.5 6.5 6.5 16.61 0.1 <br />, m /I 36 11 33.23 2 <br />Sulfate 63 <br />7 talc <br />i talc. . <br />o <br />TDS Rat 134 <br />86 2 <br />l m /I . <br />c. <br />TDS Ca m /I 30 454 106 146 2 <br />TDS <br />TSS m /I 1.8 568 97 38 2 <br />o 0.005 <br />?] <br />- <br />- <br />Zinc, dissolved mg/I <br />' Baseline and WY 2000 data adapted from WWE (2001). Shaded cells indicate value different <br />from AHR 2000 baseline value due to rounding. <br />2 Enviro-Chem Analytical, Grand Junction, CO <br />3 Zero values denote readings below lab detection levels (MDL). <br />5 Enviro-Chem TDS Ratio calculation is [(TDS - TDS (Calc.)) / TDS)] * 100 <br />West Elk Mine <br />HydroGeo, Inc. <br />C-10 2008 Annual Hydrology Report