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Lick Creek Flume <br />Surface Water Quality and Field Parameters <br /> <br />• <br /> <br />Mountain Coal West Elk Mine <br />Monitoring Location: Lick Creek Flume Baseline 2 009 Water Year <br />Description Units Minimum Maximum Mean 5/8/2009 613/2009 Q 8/11/2009 <br />Field Parameters <br />Flow Staff Gauge 0.46' 0.33' Dry <br />Electrical Conductivity umhos/cm 154.4 182 <br />H SU 8.23 8.21 <br />Temperature (°C) °C 10.7 8.6 <br />Comment <br />Laboratory Parameters 3 <br />Name of Certified Lab ACZ <br />Lab Reference # L76236-06 <br />Sample Date 6/3/2009 <br />Lab Test Date 6/5-6/15 <br />Sampled B PH <br />Alkalinity (Total CaC03) m /l <br />Aluminum, dissolved m /l 0.12 0.12 0.12 <br />Anions me /1 <br />Arsenic, dissolved m /l 0.001 0.001 0.001 <br />Arsenic, total m /l <br />Bicarbonate m /I 56 229 111 <br />Boron, dissolved m /I <br />Cadmium, dissolved m /I <br />Calcium, dissolved m /I 25.5 25.5 25.5 <br />Carbonate m /l <br />Cation -Anion Balance % <br />Cations me /I <br />Chloride m /I 8 4 <br />Conductivity umhos/cm 118 481 238 151 <br />Copper, dissolved m /I <br />Hardness m /I 45 169 87 <br />Hydroxide m /I <br />Iron, dissolved m /l 0.56 0.13 0.04 B <br />Iron, total m /1 0.49 11.3 4.06 1.53 <br />Lead, dissolved m /I <br />Lead, total m /I <br />Magnesium, dissolved m /I 5.3 6.9 6.1 <br />Manganese, dissolved m /l 0.007 0.015 0.012 <br />Manganese, total m /l 0.003 0.39 0.11 <br />Mercury, total m /I <br />Molybdenum, dissolved m /l 0.01 0.005 <br />Nitrate as N), dissolved m /l <br />Nitrate/Nitrite (as N m /I 0.13 0.04 <br />Nitrite as N), dissolved <br />H lab m /I <br />SU <br />7.1 <br />8.75 <br />7.85 <br />8.3 <br />H <br />Phosphate m /I <br />Phosphorus Ortho), dissolved m /l 1.67 0.19 <br />Potassium, dissolved m /l <br />Selenium, dissolved m /I <br />Selenium, total m /l <br />Sodium Absorption Ratio (SAR calc. 0.59 1.08 0.86 <br />Sodium, dissolved m /I 23.6 23.6 23.6 <br />Sulfate m /I 8.5 47.2 21.03 <br />TDS Ratio calc. <br />TDS (Calc.) m /I <br />TDS m /I 90 552 169 100 <br />TSS m /I 4 614 157 41 <br />Zinc, dissolved m9/I <br />Baseline and WY 2000 data adapted from WINE (2001). <br />2 ACZ Laboratory, Steamboat Springs, CO <br />3 Negative values denote readings below lab detection levels. <br />4 ACZ Lab Qualifiers: U - Analyte was analyzed for but not detected at the indicated MDL. <br />H - Holding time exceeded; pH is a field test with an immediate hold time. <br />B - Analyte conc detected at a value bet method detection limit (MDL) and practical quantitation limit (PQL). <br />West Elk Mine <br />HydroGeo, Inc. <br />C-11 2009 Annual Hydrology Report