2008-05-01_REPORT - C1996083 ‎(7)‎

• Permit No: C1996083
• IBM Index Class Name: REPORT
• Doc Date: 5/1/2008
• Doc Name: 2007 Annual Hydrology Report
• From: J.E. Stover & Associates Inc
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: MLT
• Media Type: D
• Archive: No

•
Bowie Resources, LLC
Bowie No. 2 Mine
2007 Annual Hydrology Report
S-4
Terror Creek -Spring 4
Elevation - 7880
Surface Water
Initiated 6/12/1995 6/12/1995 6/12/1995 6/12/1995
Activated 1/15/2001 1/15/2001 1/15/2001 1/15/2001
Date 11/21/2007 9/26/2007 6/27/2007 3/27/2007

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Summary Information
Field
Parameters Baseline Operation
UNITS Min Ave Max Min Ave Max
Flow GPM 0.00 0.24 3.75 0.00 0.22 1.90 0 0.18 0.25 0.21
FieldComment Seep
ph su 6.4 7.4 9.0 7.1 7.4 7.7 7.3 7.3 7.5
Conductivity umhos/cm 80 268 433 300 363 430 420 420 340
Temperature Celsius 1.2 10.0 24.0 1.8 6.8 10.7 7.2 7.4 5.2
Lab
Parameters
UNITS
Bicarbonate mg/L 56 56 56
Chloride mg/L 2 2 2
Conductivity umhos/cm 99 99 99
Hardness mg/L 44 44 44
Nitrate-Nitrite mg/L 0.62 0.62 0.62
Oil and Grease mg/L <MDL <MDL <MDL
H su 6.7 6.7 6.7
Phosphate mg/L <MDL <MDL <MDL
ResidueFilterable-TDS mg/L 60 60 60
ResidueNonFilterable-TSS mg/L 16 16 16
SAR 029 029 0.29
Sulfate mg/L <MDL <MDL <MDL
Aluminum mg1L 0.98 0.98 0.98
Arsenic mg/L <MDL <MDL <MDL
Cadmium mg/L <MDL <MDL <MDL
Calcium mg/L 13.6 13.6 13.6
Co er mg/L <MDL <MDL <MDL
Iron (Total) mg/L 0.88 0.88 0.88
Lead mg/L <MDL <MDL <MDL
Magnesium mg/L 2.4 2.4 2.4
Manganese (Total) mg/L 0.03 0.03 0.03
Mercu mg/L 0.0002 0.0002 0.0002
Molyebdenum mg/L <MDL <MDL <MDL
Selenium mg/L <MDL <MDL <MDL
Sodium mg/L 4.5 4.5 4.5
Zinc mg/L <MDL <MDL <MDL
The monitoring point for S-4 is located along an unmarked road in an un-named gulch leading down from the broad ridge that
separates Sheep Corral and Freeman Gulches from Terror Creek. This spring feeds P-4.
Baseline Information for Point S-4 is derived from events beginning on 6/12/95 through 1 /15/01.
Point influenced by mining on 1/15/01.
Figure No. 13