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Bowie Resources, LLC Surtace Water <br />Bowie No. 2 Mine <br />2006 Annual Hydrology Report Free-low <br />• Freeman Gulch -Drainage System <br /> Elevation - 7560 <br />Initiated 6112/1995 6/12/1995 6/12/1995 6/12/1995 <br />Activatetl 8/2311999 6/23/1999 6/23/1999 6/23/1999 <br />Date 11/28/2006 9/14/2006 6/14/2006 3/29/2006 <br />Summary Information <br /> Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.00 0.24 3.75 0.00 0.13 3.80 0 0 0 0 <br />FieldComment No Flow No Flow No Flow No Flow <br />h su 8,3 8.5 8.6 8.4 8.5 8.6 <br />Conductivity umhos/cm 1240 1250 1260 90 410 730 <br />Temperature Celsius 184 19.8 21.2 14.9 15.3 15.8 <br /> UNITS <br />Bicarbonate m /L 594 604 614 <br />Chlodde mg/L 16 16 19 <br />Conductivity umhos/cm 1170 1190 1210 <br />Hardness mglL 404 430 456 <br />Nitrate-Nitrite mg/L <MDL <MDL <MDL <br />Oil and Grease m /L <MDL <MDL <MDL <br />H su 8.3 8.3 8.4 <br />Phosphate mg/L <MDL <MDL <MDL <br />ResidueFilterable-TDS mglL 730 765 800 <br />ResidueNonFilterable-TSS mg/L <MDL 3 6 <br />SAR 2.48 2.63 2.78 <br />Sulta[e m /L 130 130 130 <br />Aluminum mg/L 0.13 0.21 0.29 <br />Arsenic mg/L <MDL <MDL <MDL <br />Cadmium mg/L <MDL <MDL <MDL <br />Calcium mglL 56.4 61.2 65.9 <br />Co er m /L <MDL 0.005 0.01 <br />Iron (Total) mg/L 0.11 0.15 0.19 <br />Lead mg/L <MDL <MDL <MDL <br />Ma nesium mglL 64.1 67.5 70.8 <br />Man anese oral m /L 0.010 0.013 0.018 <br />Mercu m /L <MDL <MDL <MDL <br />Molyebdenum mg/L <MDL <MDL <MDL <br />Selenium mglL <MDL <MDL <MDL <br />Sodium mg/L 120 124 127 <br />Zinc mg/L <MDL 0.01 0.03 <br />i• <br />Baseline Information for Paint Free-low is derived from events beginning 6/12/95 through 6/23/99. <br />Point inFlUencetl by mining on 6/23/99. <br />Figure No. 113 <br />