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Upper Minnesota Creek Flume (USFS) <br />Surface Water Quality and Field Parameters <br />• <br /> <br />Mountain Coal West Elk Mine <br />Minnesota Ck (USFS) Flume Baseline 2008 Water Year <br />U <br />. <br />Monitoring Location <br />Units Minimum Maximum Mean 5/5/2008 6/7/2008 8/23/2008 <br />Description <br />Field Parameters <br />Staff Gau a or cfs <br />Flooding <br />Flooding <br />1.44 <br />Flow <br />Electrical Conductivity umhos/cm 383 185 <br />8 <br />31 156 <br />8 <br />24 <br />H SU 8.00 . . <br />Temperature °C °C 133 12.0 17.5 <br />Comment <br />Laboratory Parameters 3 <br />Name of Certified Lab 2 Enviro-Chem <br /> 08/934 <br />Lab Reference # 6/7/2008 <br />Sample Date 6/9-7/3 <br />Lab Test Date P. Holder <br />Sampled B <br />Alkalinity Total CaCO3 m /I <br />Aluminum, dissolved m /I <br />Anions me /I <br />Arsenic, dissolved m g/1 <br />Arsenic, total m /I <br />Bicarbonate m /l <br />Boron, dissolved m /I <br />Cadmium, dissolved moll <br />Calcium, dissolved m /I <br />Carbonate m /I <br />Cation - Anion Balance % <br />Cations me /I <br />Chloride m /l <br />46 <br />156 <br />Conductivity <br />umhos/cm <br />. <br />Copper, dissolved m /I <br />Hardness m /I <br />Hydroxide m /I <br />16 <br />0 <br />Iron, dissolved m /I . <br />48 <br />4 <br />Iron, total m /I . <br />Lead, dissolved m /I <br />Lead, total m /I <br />Magnesium, dissolved m /l <br />Manganese, dissolved m /I <br />Manganese, total m /I <br />Mercury, total m /I <br />Molybdenum, dissolved m /I <br />Nitrate as N), dissolved m /I <br />Nitrate/Nitrite as N m /I <br />Nitrite as N), dissolved m /l <br />5 <br />7 <br />pH lab SU . <br />Phosphate m /I <br />Phosphorus Ortho , dissolved m /I <br />Potassium, dissolved m /I <br />Selenium, dissolved m /I <br />Selenium, total m /I <br />Sodium Absorption Ratio SAR calc. <br />Sodium, dissolved m /I <br />Sulfate m /I <br />TDS Ratio talc. <br />TDS Calc. m /I <br />123 <br />TDS m /l <br />134 <br />TSS m /I <br />Zinc, dissolved mg/I <br />' Baseline and WY 2000 data adapted from WWE (2001). <br />z Enviro-Chem Analytical, Grand Junction, CO <br />3 Zero values denote readings below lab detection levels (MDL). <br />C-7 <br />West Elk Mine <br />2008 Annual Hydrology Report <br />HydroGeo, Inc.