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Upper North Fork (USGS) <br />Surface Water Quality and Field Parameters <br />F- I <br />L <br />• <br />• <br />Mountain Coal West Elk Mine <br />Monitoring Location: N. Fork Upp er (USGS) Baseline 2 008 Water Ye ar <br /> 8/5/2008 8/20/2008 Enviro- <br /> i Mean 5/9/2008 6/6/2008 8/5/2008 (Duplicate) 8/2012008 (Duplicate) Chem MDL <br />Descri lion Units Minimum mum <br />Max <br />Field Parameters <br />staff <br />auge <br />No Staff <br />4.22 <br />No Staff <br />No Staff <br />No Staff <br />No Staff <br />Flow <br />Electrical Conductivit g <br />umhos/cm 162 121 150 150 153 153 <br />H SU 7.90 8.37 8.60 8.60 8.51 8.51 <br />Temperature °C °C 5.9 11.6 16.6 16.6 192 192 <br /> <br />Comment <br />Laboratory Parameters 3 <br />Enviro-Chem <br />Enviro-Chem <br />Enviro-Chem <br />Enviro-C hem <br />Enviro-Chem <br />Name of Certified Lab 08/925 08/1413 08/1414 08/1509 08/15812 <br />Lab Reference # <br />6/6/2008 <br />8/5/2008 <br />8/5/2008 <br />8/20/2008 <br />8/20/2008 <br />Sample Date 6/16-7/31 8/5-9/20 8/5-9/20 8/22-9125 8/22-9/25 <br />Lab Test Date Holder <br />P P. Holder P. Holder P. Holder P. Holder <br />Sampled B <br />Alkalinity Total CaC03 mail . <br />129.02 54.63 54.63 54.63 58.92 2 <br />dissolved <br />Aluminum m /I 0.449 0.374 0.376 0.052 0.043 0.01 <br />, 4 <br />533 1.432 1.381 1.36 1.62 calc <br />Anions me /1 . <br />Arsenic, dissolved m g/1 <br />0 <br />001 <br />001 <br />0 <br />0005 <br />0 <br />00077 <br />0 <br />0.00082 <br />0.004 <br />0.0038 <br />0.001 <br />Arsenic, total m /I 0.001 . . . . <br />Bicarbonate m /I 40.9 167 81.3 <br />0 <br />47 <br />0 <br />34 <br />0.34 <br />-0.01 <br />0.016 <br />0.01 <br />Boron, dissolved m /I . . 0 0 0 0.001 <br />Cadmium, dissolved m g/1 0.005 <br />91 <br />78 0 <br />20 <br />8 20 19.07 21.42 0.1 <br />Calcium, dissolved m /l . . <br />Carbonate m /I <br />% <br />-2.63 <br />2.92 <br />3.09 <br />4.90 <br />-1.25 <br />calc <br />Cation - Anion Balance 417 <br />4 475 <br />1 1.425 1.43 1.6 calc <br />Cations me /1 10 3 . <br />32 <br />1 . <br />1.43 1.43 2.55 2.76 0.1 <br />Chloride m /I . <br />006 <br />0 0 0 0 0 0.005 <br />Chromium, total mail <br />umhos/cm 76 241 169 . <br />86.25 141.03 141.42 139.85 141.75 1 <br />Conductivity <br />dissolved <br />Copper m g/1 0.01 0.01 0.01 0.016 0.018 0.02 0.011 0.009 0.002 <br />, <br />Cyanide, total m g11 <br />107 <br />70 0 <br />13351 <br />210 0 <br />03838 <br />61 0 <br />58.54662 0 <br />55.23609 0 <br />61.43348 0.02 <br />calc <br />Hardness m /I 40 . . <br />Hydroxide mail <br />m <br />il <br />0 <br />38 <br />09 <br />0 <br />0.16 <br />0.14 <br />0.141 <br />0.081 <br />0.082 <br />0.01 <br />Iron, dissolved a <br />/1 . . <br />0.79 <br />0.172 <br />0.186 <br />0.082 <br />.088 <br />0 <br />0.01 <br />Iron, potentially dissolved m 0 <br />9 208 <br />0 0.206 0.111 0.11 0.01 <br />Iron, total recoverable m /I <br />m /I 26 <br />3 1.6 . <br />1.92 . <br />0.319 0.316 0.131 0.549 0.01 <br />Iron, total <br />Lead, dissolved m g/1 . <br />0.02 0.01 0.008 0 0 0 0 0.005 <br />Lead, total <br />dissolved <br />Ma nesium m /I <br />m /I <br />2 <br />3.4 <br />2.9 <br />3.18 <br />2.21 <br />2.09 <br />1.85 <br />1.93 <br />0.1 <br />, <br />dissolved <br />Manganese m /I 0.009 0.006 0.003 0.002 0.003 0.009 0.010 0.005 <br />, <br />total <br />Manganese mail 0.19 0.04 0.058 0.017 0.017 0.016 0.018 0.005 <br />, <br />total <br />Mercury mail 0.00009 0.000018 0.000015 0.00003 0.00003 0.000025 <br />, <br />dissolved <br />Molybdenum m /I 0.00336 0.0025 0.0023 0 0 0.01 <br />, <br />Nickel, dissolved m /I 0 0.028 0.025 0 0 0.01 <br />13 <br />0 <br />Nitrate as N, dissolved m /I 0 0 0 0 0 <br />0 . <br />13 <br />0 <br />Nitrate/Nitrite as N m /I 0.19 0.05 0 0 0 0 <br />0 0 . <br />01 <br />0 <br />Nitrite as N, dissolved m g/1 0.01 <br />338 <br />7 0 <br />61 <br />8 0 <br />8 <br />62 7.83 7.41 . <br />0.1 <br />H lab SU 63 9 7.8 . <br />08 <br />0 . <br />087 <br />0 . <br />0.11 0 0 0.01 <br />Phosphate <br />dissolved <br />Phosphorus Ortho m /I <br />mail 1.61 0.12 . <br />0.03 . <br />0.083 00098 0 0 0.01 <br />, <br />Potassium, dissolved m /I 0.57 0.57 0.57 0.56 0.64 0.1 <br />Selenium, dissolved mail <br />403 <br />0 <br />00075 <br />0 <br />0.00091 <br />0.0012 <br />0.003 <br />0.001 <br />Selenium, total m /I . <br />0 . <br />0 <br />002 0.004 0.0008 0.0076 0.00002 <br />Silver, total <br />Sodium Absorption Ratio SAR m g/1 <br />calc. 1.62 0.5 0.137 . <br />0.296 0.301 0.40 0.44 talc <br />Sodium, dissolved m /I V3.4 5.7 4.6 4.59 5.38 5.37 6.84 7.96 0.1 <br />2 <br />Sulfate m /I 70 10 9.47 11.94 9.47 7 7 l <br />TDS Ratio m /I 105.95 4.57 6.94 6.25 4.51 ta <br />c <br />TDS Calc calc. 230.66 98.30 94.92 92.82 101.38 2 <br />. <br />TDS m /l 650 109 112 103 102 99 97 2 <br />TSS M /I 636 55 84 <br />018 <br />0 10 <br />007 <br />0 5 <br />006 <br />0 0 <br />0.012 0 <br />0.015 2 <br />0.005 <br />Zinc, dissolved mg/1 . . . <br /> <br />Baseline and WY 2000 data adapted from WWE (2001). <br />2 Enviro-Chem Analytical, Grand Junction, CO <br />3 Zero values denote readings below lab detection levels (MDL). <br />5 Enviro-Chem TDS Ratio calculation is [(TDS -TDS (Galt.)) / TDS)] - 100 <br />C-1 <br />West Elk Mine <br />2008 Annual Hydrology Report <br />Hydrogeo, Inc.