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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2012 Annual Hydrology Report SP18 <br />Terror Creek - Pond Spring 18 <br />Elevation - 7280 <br />Initiated <br />Activated <br />Date <br />4/15/1983 <br />4/15/1983 <br />4/15/1983 <br />4/15/1983 <br />1 <br />1.88 <br />10/10/2012 <br />8/7/2012 <br />6/28/2012 <br />4/9/2012 <br />Summary Information <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Outflow <br />GPM <br />0.75 <br />1.23 <br />1.88 <br />1.25 <br />0.94 <br />1.25 <br />0.75 <br />Inflow <br />GPM <br />0.09 <br />3.33 <br />17.50 <br />2.50 <br />1.88 <br />2.50 <br />1.50 <br />Freeboard <br />Feet <br />0.00 <br />0.00 <br />0.00 <br />0 <br />1 <br />0 <br />0 <br />0 <br />Temperature <br />Celsius <br />3.0 <br />10.8 <br />21.3 <br />5.1 <br />10.8 <br />15.3 <br />4.8 <br />Conductivity <br />umhos /cm <br />290 <br />619 <br />832 <br />680 <br />710 <br />640 <br />580 <br />pH <br />su <br />7.71 <br />8.21 <br />8.9 <br />1 <br />1 <br />8.61 <br />8.41 <br />8.01 <br />8.1 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />133.0 <br />337.5 <br />408.7 <br />Chloride <br />mg /L <br />3.00 <br />8.67 <br />62.04 <br />Conductivity <br />umhos /cm <br />230 <br />611 <br />892 <br />Hardness <br />mg /L <br />86.00 <br />232.53 <br />277.00 <br />Nitrate - Nitrite <br />mg /L <br />0.3 <br />0.3 <br />0.3 <br />Oil and Grease <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />pH <br />su <br />7.2 <br />8.0 <br />8.3 <br />Phosphate <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br />ResidueFilterable -TDS <br />mg /L <br />110 <br />340 <br />678 <br />ResidueNonFilterable -TSS <br />mg /L <br />2 <br />35 <br />171 <br />SAR <br />0.89 <br />1.391 <br />1.84 <br />Sulfate <br />mg /L <br />10 <br />28 <br />53 <br />Aluminum (TREC) <br />mg /L <br />0.028 <br />0.028 <br />0.028 <br />Arsenic (TREC) <br />mg /L <br />0.04 <br />0.04 <br />0.04 <br />Cadmium (TREC) <br />mg /L <br />0.01 <br />0.01 <br />0.01 <br />Calcium (TREC) <br />mg /L <br />58.6 <br />58.6 <br />58.6 <br />Copper TREC) <br />mg /L <br />0.003 <br />0.0031 <br />0.003 <br />Iron (TREC) <br />mg /L <br />0.24 <br />1.36 <br />4.51 <br />Lead (TREC) <br />mg /L <br />0.03 <br />0.03 <br />0.03 <br />Magnesium (TREC) <br />mg /L <br />28.1 <br />28.1 <br />28.1 <br />Manganese (TREC) <br />mg /L <br />0.01 <br />0.02 <br />0.04 <br />Mercury (TREC) <br />mg /L <br />0.00007 <br />0.00007 <br />0.00007 <br />Molybdenum (TREC) <br />mg /L <br />0.009 <br />0.0091 <br />0.009 <br />Selenium (TREC) <br />mg /L <br />0.012 <br />0.0121 <br />0.012 <br />Sodium (TREC) <br />mg /L <br />1 69.7 <br />69.71 <br />69.7 <br />Zinc (TREC) <br />mg /L <br />1 0.004 <br />0.0041 <br />0.004 <br />The area of concern for monitoring point SP 18 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Baseline Information Collection initiated on 4/15/83 and not yet considered complete. <br />Point SP18 has not been influenced by mining. <br />Figure No. 9 <br />