2010-06-30_REPORT - C1980007 (6)

Home Browse Search

East Gulch, East of Horse Gulch Surface Water Quality and Field Parameters • • C-14 Mountain Coal West Elk Mine Monitoring Location E. Gulch, E. of Horse Gulch Baseline 2009 Water Year Description Units Minimum Maximum Mean 5/8/2009 6/2/2009 8/11/2009 Field Parameters Flow m D D D Electrical Conductivity umhos/cm 260 480 402 H SU 7.7 8.4 8.0 Temperature (°C) °C 4.8 14.8 10.0 Temperature (°F) OF 40.6 58.6 50.0 Comment Laboratory Parameters 3 Name of Certified Lab Lab Reference # Sample Date Lab Test Date Sampled B Alkalinity Total CaC03 m /I 135 245 202 Aluminum, dissolved m /I 0.03 0.03 0.03 Anions me /I 4.9 4.9 4.9 Arsenic, dissolved m /I Arsenic, total m /I Bicarbonate m /I 135 245 202 Boron, dissolved m /I Cadmium, dissolved m /I Calcium, dissolved m /I 26.8 53.6 42.6 Carbonate m /I 6 0.5 Cation - Anion Balance % Cations me /I 4.9 4.9 4.9 Chloride m /I 1 4 2 Conductive umhos/cm 453 453 453 Copper, dissolved mg/1 Hardness m /I 95 190 156 Hydroxide m /I Iron, dissolved m /I 0.05 0.05 0.05 Iron, total m /I 0.41 3.59 1.07 Lead, dissolved m /I Lead, total m /I Magnesium, dissolved m /I 6.9 13.7 11.6 Manganese, dissolved m /I 0.012 0.012 0.012 Manganese, total m /I 0.01 0.094 0.068 Mercury, total mg/1 Molybdenum, dissolved m /I Nitrate as N), dissolved m /I Nitrate/Nitrite as N m /l 0.04 0.23 0.13 Nitrite as N), dissolved m /I H lab SU 8 8 8 Phosphate m /I 0.2 0.2 0.2 Phosphorus Ortho , dissolved m /I 0.066 0.018 Potassium, dissolved m /I 1.8 1.8 1.8 Selenium, dissolved m /I Selenium, total m /I Sodium Absorption Ratio SAR caic. 0.94 1.65 1.5 Sodium, dissolved m /I 20.9 47.8 40.2 Sulfate m /I TDS Ratio caic. TDS Calc. m /I TDS m /I 170 290 252 TSS m /I 50 17 Zinc, dissolved mg/I Baseline and WY 2000 data adapted from WW E (2001). West Elk Mine 2009 Annual Hydrology Report HydroGeo, Inc.