2008-05-01_REPORT - C1996083 (4)

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Bowie Resources, LLC Surface Water Bowie No. 2 Mine 2007 Annual Hydrology Report S34-22 Hubbard Creek -Spring 34-22 Elevation - 6700 Initiated 6/9/1998 6/9/1998 6/9/1998 6/9/1998 Activated 11/20/2003 11/20/2003 11/20/2003 11/20/2003 Date 11/2/2007 8/31/2007 6/22/2007 5/28/2007 Summary Information • Field Baseline Operauon Parameters UNITS Min Ave Max Min Ave Max Flow GPM 0.0 1.5 35.0 0.0 0.0 0.0 0 0 0 0 pry Dry Dry Dry FieldComment ph su 7.2 7.3 7.4 Conductivity umhos/cm 230 230 230 Temperature Celsius 17.2 17.2 17.2 Lab Parameters UNITS Bicarbonate mg/L 302 302 302 Chloride mg/L 4 4 4 Conductivity umhos/cm 602 602 602 Hardness mg/L 171 171 171 Nitrate-Nitrite mg/L <MDL <MDL <MDL Oil and Grease mg/L <MDL <MDL <MDL pH su 8.2 8.2 8.2 Phosphate mg/L <MDL <MDL <MDL ResidueFilterable-TDS mg/L 380 380 380 ResidueNonFilterable-TSS mg/L <MDL <MDL <MDL SAR <MDL <MDL <MDL Sulfate mg/L 50 50 50 Aluminum mg/L 0.31 0.31 0.31 Arsenic mg/L <MDL <MDL <MDL Cadmium mg/L <MDL <MDL <MDL Calcium mg/L 38.3 38.3 38.3 Co per mg/L <MDL <MDL <MDL Iron (Total) mg/L 0.27 0.27 0.27 Lead mg/L <MDL <MDL <MDL Magnesium mg/L 18.3 18.3 18.3 Man anese (Total) mg/L <MDL <MDL <MDL Mercury mg/L <MDL <MDL <MDL Molyebdenum mg/L <MDL <MDL <MDL Selenium mg/L <MDL <MDL <MDL Sodium mg/L 74.4 74.4 74.4 Zinc mg/L <MDL <MDL <MDL The monitoring point for S34-22 is located high on the northern facing slopes that forms the Dove Gulch Canyon. It is accessed on foot from the remnants of an old coal exploration road in the mouth of Dove Gulch. It is one of three springs found in this location, originating in the sandstone outcrop and discharges via sheet flow into Dove Gulch. Baseline Information for Point S34-22 is derived from events beginning on 6/9/98 through 11/20/03. Point influenced by mining on 11120103. Figure No. 78