2008-10-06_HYDROLOGY - C1981041 (4)

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Snowcap Coal Company, Inc. NPDES POINT 016 Chemical Analysis SU-3 Field Parameters 8/12/2004 8/12/2005 8/31/2006 8/15/2007 8/7/2008 pH SU 7.1 6.9 7.4 7.1 7.1 Conductivity umhos/cm 1800 2000 2280 2280 2290 Temperature (C) 23.4 23.2 23.3 23.5 23 Laboratory Results 8/12/2004 8/12/2005 8/31/2006 8/15/2007 8/7/2008 Carbonate (C03-2) mg/I 0 36.7 0 0 15.61 Aluminum, Dissolved mg/I <0.2 <0.2 0.077 <0.01 0.126 Arsenic, Dissolved mg/I 0.0053 0.011 0.0014 0.062 0.008 Barium, Dissolved mg/I 0.65 0.82 0.41 0.77 0.47 Boron, Dissolved mg/I 2.46 0.53 0.56 1.23 1.09 Cadmium, Dissolved mg/I 0.003 <0.0002 0.0004 0.0003 0.004 Calcium, Dissolved mg/I 4.88 4.25 5.99 4.84 14.5 Chloride, Dissolved mg/I 15.78 <0.5 0 11.34 10.9 Chromium, Dissolved mg/I <0.001 <0.001 <0.001 <0.001 <0.01 Copper, Dissolved mg/I <0.01 <0.01 <0.01 <0.01 0.024 Fluoride, Dissolved mg/I 0.79 1.68 1.04 0.68 0.23 Hardness, (as Ca Co3) mg/I 21.48 28.9 39.17 34.41 52.43 Iron, Dissolved mg/I <0.01 <0.01 0.06 0.06 0.234 Lead, Dissolved mg/I <0.01 <0.01 0.0077 <0.01 0.01 Magnesium, Dissolved mg/I 4.7 4.44 5.88 5.42 3.94 Manganese, Dissolved mg/I 0.025 <0.01 0.023 0.06 0.047 Mercury, Dissolved mg/I 0.00012 0.00278 0.00029 0.00005 0.000272 Molybdenum, Dissolved mg/I <0.02 <0.02 <0.02 <0.02 <0.02 Nickel, Dissolved mg/I <0.01 0.03 <0.01 0.038 0.033 Nitrate (N03-1) mg/I 1.4 0.37 0.48 1.06 <0.1 Phosphate (P04 3, as P) mg/I <0.02 0.13 0.115 0.106 0.163 Potassium, Dissolved mg/I 4.96 4.48 3.4 5.71 4.73 Selenium, Dissolved mg/I 0.012 0.068 0.0025 0.066 0.005 Sodium, Dissolved mg/I 528.8 300.8 453 631.5 389.5 Solids, Total Dissolved mg/I 1337.5 1340 1509 1268 1174 Solids, Total Suspended mg/I <0.5 30 7 0 0 Sulfate, S04 mg/I 20.4 99.2 48.16 20.16 18.52 Zinc, Dissolved mg/I 0.025 <0.005 <0.005 0.022 0.033 Ammonia, Nitrogen, NH3 mg/I 0.89 <0.1 0.14 0.564 0.93 Bicarbonate (HC031) mg/I 1049 1209.3 1142.49 931.8 1027.49 SAR Ratio 40.97 24.32 31.49 46.85 23.09