2009-02-19_REPORT - C1981038 ‎(5)‎

• Permit No: C1981038
• IBM Index Class Name: REPORT
• Doc Date: 2/19/2009
• Doc Name: 2008 Annual Hydrology Report
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Annual Report Year: 2008
• Permit Index Doc Type: Hydrology Report
• Email Name: MLT
• Media Type: D
• Archive: No

Bowie Resources, LLC
Bowie No. 1 Mine
• 2008 Annual Hydrology Report
P8800
East Roatcap Creek - Pond 88
Depth - 5'
Elevation -7790
Surface Water
Initiated 6/14/1983 6/14/1983 6/14/1983 611411983
Activated 10/1/1997 10/1/1997 10/1/1997 10/1/1997
Date 11/30/2008 8/19/2008 6/24/2008 5/15/2008
Summary Information
Baseline Operation
RA- fin:.. A.- nnw
Flow 1.2 30 0.0 0.0 0.75 0 0 0 0
Freeboard Feet 3.3 4.6 5 2.1 4.6 5.8 5 5 2.73 2.28
Temperature N 17.2 28.9 0.8 18.7 29.8
Conductivity r 307.1 449 90.0 258.8 380
pH 8.5 10.3 7.6 8.1 8.8
Field Comments Empty Dry , No Inflow No Inflow
r r s UNITS
Bicarbonate 61.0 146.1 320 133.0 133.0 133
Carbonate <MDL 7.9 108 <MDL <MDL <MDL
Chloride <MDL 5.6 12 1.0 1.0 1
Conductivity 106.0 263.0 404 267.0 267.0 267
Hardness 37.0 108.4 197 128.0 128.0 128
H fl 6.9 7.7 9.3 7.7 7.7 7.7
ResidueFilterable-TDS 40.0 177.2 318 150.0 150.0 150
ResidueNonFilterable-TSS 2.0 40.2 212 8.0 8.0 8
• SAR 0.2 0.6 1.01 0.4 0.4 0.37
Sulfate <MDL 12.5 25 20.0 20.0 20
Calcium (Dissolved) mg/L 10.0 26.7 49 36.7 36.7 36.7
Magnesium (Dissolved) mg/L 3.0 9.2 15 8.8 8.8 8.8
Sodium (Dissolved) mg/L 3.0 13.6 22 9.7 9.7 9.7
Potassium mg/L <MDL 2.1 6.2
TDS Ratio (grav./calc.) 0.9 1.0 1.04
This large pond is approximately 75'x 75'. (Hanna, 99)

Baseline Information for Point P8800 is derived from events beginning on 6/14/83 through 10/1/97.
Point influenced by mining on 10/1/97.
Figure No. 36