Laserfiche WebLink
Well SOM-45-H-2 <br />Water Qualitv and Field Parameters <br />• <br />• <br />• <br />Mountain Coal West Elk Mine <br />Monitoring Location Well SOM-45-H-2 Baseline' 2007 Water Year <br />Description Units Minimum Maximum Mean 4/29/2007 5/25/2007 8/22/2007 Q 4 <br />Field Parameters <br />Water Level Depth feet 190.83 190.7 191.7 <br />Electrical Conductivity µmhos/cm 1073 1626 1285 1240 1240 1260 <br />H SU 6.4 8.6 7.7 8.31 8.12 7.95 <br />Temperature °F OF 50.7 52.3 54.3 <br />Temperature oe °C 10.4 11.3 12.4 <br />Comment <br />Laboratory Parameters 3 <br />Name of Certified Lab 2 ACZ <br />Lab Reference # L64626-10 <br />Sample Date 8/22/2007 <br />Lab Test Date 8/28-9/6 <br />Sampled B <br />Alkalinity (Total CaCO3) mg/I 286 955 635 <br />Aluminum, dissolved m /I <br />Ammonia m /I 0.03 2.35 0.69 <br />Anions me /I 15 15.5 15.3 <br />Arsenic, dissolved m /I o 0.002 0.001 <br />Arsenic, total m /I <br />Bicarbonate m /I 0 1156 455 <br />Boron, dissolved m /I <br />Cadmium, dissolved m /I 0 0 0 <br />Calcium, dissolved m /I 4 6.9 5.6 <br />Carbonate m /I 0 218 17 <br />Cation - Anion Balance % -5.4 3.8 -0.2 <br />Cations me /I 13.9 16.4 15.3 <br />Chloride m /I 2 10 8 <br />Conductivity µmhos/cm 1310 1390 1350 1220 <br />Copper, dissolved m /I <br />Hardness m /I 15 882 215 <br />Hydroxide m /I 0 0 0 <br />Iron, dissolved m /I 0 0.86 0.25 0.07 <br />Iron, total m /I 0.35 6.15 1.96 0.46 <br />Lead, dissolved m /I o 0 0 <br />Magnesium, dissolved m /I 1.3 5 2.1 <br />Manganese, dissolved m /I 0.034 0.064 0.048 <br />Manganese, total m /I 0.014 0.39 0.131 <br />Mercury, dissolved m /I 0 0 0 <br />Molybdenum, dissolved m /I <br />Nitrate/Nitrite as N m /I 0 0.04 0.01 <br />Nitrogen, ammonia m /I 0.1 1.04 0.61 <br />H lab SU 7 8.2 7.6 8.6 H <br />Phosphate m /I 0.39 0.42 0.41 <br />Phosphorus Ortho , dissolved m /I 0 0.535 0.074 <br />Potassium, dissolved m /I 2 2.5 2.3 <br />Selenium, dissolved m /I 0 0 0 <br />Selenium, total m /I <br />Sodium Absorption Ratio SAR talc. 14.9 37.9 32 <br />Sodium, dissolved m /I 308 385 352 <br />Sulfate m /I 20 526 161 , <br />TDS Ratio calc. <br />TDS Cale. m /I <br />TDS m /I 720 <br />TSS m /I 84 <br />Zinc, dissolved mg/I 0 0.02 0.01 <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 />West Elk Mine <br />G-12 2007 Annual Hydrology Report HydroGeo, Inc.