Laserfiche WebLink
Well SOM-80 <br />Water Ouality and Field Parameter <br />• <br />0 <br /> <br />Mountain Coal West Elk Mine <br />Monitoring Location Well SOM-80 Baseline' 2007 Water Year <br /> <br />Description <br />Units <br />Minimum <br />Maximum <br />Mean <br />4/25/2007 <br />5/23/2007 <br />8/23/2007 <br />Q ° 8/23/2007 <br />(Duplicate) <br />Q ° <br />Field Parameters <br />Water Level Depth feet 93.6 93.5 93.9 93.9 <br />Electrical Conductivity µmhos/cm 733 1134 1283 1283 <br />H SU 6.95 7.45 7.10 7.10 <br />Temperature °F OF 58.6 49.3 53.8 53.8 <br />Temperature °C 9.6 12.1 <br /> <br /> <br />Comment Black water from <br />deeper in well. High <br />sediment content. <br />Laboratory Parameters 3 <br />Name of Certified Lab z ACZ ACZ <br />Lab Reference # L64613-08 L64613-09 <br />Sample Date 8/23/2007 8/23/2007 <br />Lab Test Date 8127-9/3 8/27-9/3 <br />Sampled B <br />Alkalinity (Total CaC03) mg/I <br />Aluminum, dissolved m /I <br />Ammonia m /I 0 1.73 0.51 <br />Anions me /1 <br />Arsenic, dissolved m /I 0 0 0 <br />Arsenic, total m /I <br />Bicarbonate m /I 213 641 443 <br />Boron, dissolved m /I <br />Cadmium, dissolved m /I 0 0 0 <br />Calcium, dissolved m /I 60.2 60.2 60.2 <br />Carbonate m /I <br />Cation - Anion Balance % <br />Cations me /I <br />Chloride m /I 3 17 7 <br />Conductivity µmhos/Cm 886 897 892 1150 1260 <br />Copper, dissolved m /I <br />Hardness m /I 45 754 389 <br />Hydroxide m /I <br />Iron, dissolved m /I 0 0.82 0.15 0.15 0.57 <br />Iron, total m /I 0 6.8 0.71 2.21 39.2' <br />Lead, dissolved m /I o 0 0 <br />Magnesium, dissolved m /I 17.6 17.6 17.6 <br />Manganese, dissolved m /I 0.005 0.01 0.008 <br />Manganese, total m /I 0 0.557 0.066 <br />Mercury, dissolved m /I 0 0 0 <br />Molybdenum, dissolved m /I <br />Nitrate/Nitrite as N m /I 0.24 0.49 0.33 <br />Nitrogen, ammonia m /I <br />H SU 6.7 8.1 7.4 8.1 H 8.2 H <br />Phosphate m /I <br />Phosphorus Ortho , dissolved m /I o 0.3 0.049 <br />Potassium, dissolved m /I <br />Selenium, dissolved m /I 0 0 0 <br />Selenium, total m /I <br />Sodium Absorption Ratio SAR calc. 1.94 5.22 2.91 <br />Sodium, dissolved m /I 129 129 129 <br />Sulfate m /I 70 984 515 <br />TDS Ratio calc. <br />TDS Calc. m /I <br />TDS m /I 26.8 1888 868 690 720 <br />TSS m /I 38 1990' <br />Zinc, dissolved mg/I 0.02 0.02 0.02 <br />Baseline andWY 2000 data adapted from WWE (2001). <br />2 ACZ Labs, Steamboat Springs, Colorado <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 />' Duplicate sample may have been contamnated by rust and sediment lining well casing <br />West Elk Mine <br />G-9 2007 Annual Hydrology Report HydroGeo, Inc. <br />11 - _ -