REP19655

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 5/8/2006
• Doc Name: 2005 Annual Hydrology Report Part 2
• From: J.E. Stover & Associates Inc
• To: DMG
• Annual Report Year: 2005
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Bowie Resources, LLC
Bowie No. 2 Mine
2005 Annual Hydrology Report
DH-67abv
Hubbard Creek -Monitoring Well
Elevation - 6450.5
Depth - 193'
Ground Water
Initiatetl 10!12/2000 10/12/2000 10/12/2000 10/12/2000
Activated
Date 12/21/2005 9/9/2005 6/26/2005 3/10/2005
Summary Information
F1eld ,;
Paramete ,: ~ ,~_:
~ ~~ Baseline Operation
UNITS Min Ave Max Min Ave Max
Static Water Level Feet 0 31.977 77.7 33 36.3 29.5 32
Water Elevation Feet 6372.8 6418.5 6450.5 8417.5 8414.2 8421 6418.5
FieldCamment
ph su 6.9 7.963 9.2 7.17 7.59 8.9
Conductivity umhos/run 2.92 2491.7 3210 2750 2510 2560
Temperature Celsius 5.6 12.336 19 5.6 11.9 12.3 11.4
',
UNITS
Bicarbonate mg/L 1332 2210.9 2723 2532 2364 2723 1876
Carbonate mg/L <MDL 13.69 92.8 92.8 18.72 0 0
Chloride mg/L <MDL 42.646 94.65 75.51 47.59 11.79 <MDL
Conductivity umhos/cm 2120.4 3131.9 3968 2120.4 3530 3351 3968
Hartlness m /L 21.8 39.738 82.7 39.52 43.19 31.77 23.21
Nitrate-Nitrite m /L <MDL 5.5925 32.3 32.3 4.73 1.62 1.12
Ammonia mg/L <MDL 1.7378 2.72 1.27 1.99 0.3 2.35
pH 5u 7.37 7.88 8.88 8.66 8.14 7.83 7.97
Phosphate mg/L <MDL 0.4373 1.55 0.026 0.83 <MDL <MDL
ResidueFilterable-TDS m /L 246.9 2059.3 2600 2516 2491 2222 2232
Sulfate m /L <MDL 17.854 85.82 3.704 18.93 17.08 12.35
Arsenic mglL <MDL 0.0908 0.415 0.154 0.059 0.415 0.032
Catlmium mg/L <MDL 0.0091 0.022 0.022 0.011 0.01 0.002
Calcium mg/L 3.77 8.7782 12.4 9.38 12.4 8.6 5.47
Imn Dissolved mg/L <MDL 0.2418 1.038 0.01 0.26 0.087 0.025
Imn otal m /L 0.219 1.8764 13.5 0.82 1.4 1.532 0.219
Magnesium mg/L 2.22 4.3864 14.8 3.91 2.97 2.5 2.32
Manganese (Dissolved) mg/L <MDL 0.0228 0.042 0.01 0.02 0.042 <MDL
Manganese (Total) mg/L 0.007 0.0724 0.51 0.03 0.03 0.048 <MDL
Mercu m /L <MDL 0.0033 0.022 0.00036 0.00036 0.000018 0.00035
Selenium m /L <MDL 0.6403 5.47 0.011 0.017 0.088 5.47
Sotlium mg/L 654 695 1180 981 669 844 936
Zinc mg/L 0.005 0.0639 0.195 0.02 0.067 0.062 0.012
The area of concern for monitoring point OH-67abv has not been aHecfed by the mining operation. Therefore, all recorded
monitoring events are considered Baseline.
•
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Baseline Imormation Collection initiated on 10/12/00 and not yet consitleretl complete.
Point DH-67a6v has not been influenced by mining. F19Ur8 NO. 143