2011-04-18_REPORT - C1996083 ‎(5)‎

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 4/18/2011
• Doc Name: 2010 AHR Part 2
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Annual Report Year: 2010
• Permit Index Doc Type: Hydrology Report
• Email Name: JJD
• Email Name: SB1
• Media Type: D
• Archive: No

Bowie Resources, LLC
Bowie No. 2 Mine
2010 Annual Hydrology Report
TC-03-01 Upper (B)
Terror Creek - Monitoring Well
Elevation - 7118'
Depth - 713'
Ground Water
Initiated 9/30/2003 9/30/2003 9/30/2003 9/30/2003
Activated : + I I
Date 11/21/2010 9/3/2010 6/16/2010 4/21/2010
Summary Information
Baseline Operation
UNITS Min Ave Max Min Ave Max
Static Water Level Feet 577.85 587.775 640.7 640.7 636.07 614.39 588.17
Water Elevation Feet 6477.3 6530.2 6540.2 6477.3 6481.93 6503.61 6529.83
FieldComment
ph su 9.2 11.8 13.1 12.3 12.1 12.2 12.7
Conductivity umhos/cm 4580 6007.92 7400 6100 5500 5500 5400
Temperature Celsius 12.2 21.0 25.6 22.1 23.6 23.3 18.5
UNITS
Bicarbonate 17 364.382 1740 191.65 783.34
Carbonate <MDL 889.151 1823 996.5 80.94
Chloride N 10.56 801.412 1530 476.45 10.56
Conductivity umhos/cm 3693.4 6159.39 10741 7500 5380
Hardness 0.46 589.69 2439 191.14 34.34
Acidity mg/L 2.88 5.075 7.27 2.88 7.27
Nitrate-Nitrite mg/L <MDL 8.96 36.5 2.13 <MDL
Ammonia mg/L 0.227 10.2059 20.51 11.75 4.234
pH su 10.0 11.8 12.3 11.79 11.676
Phosphate mg/L <MDL 0.163 0.51
ResidueFilterable-TDS mg/L 2024 2784.88 4471 4471 2061
Sulfate mg/L 1.23 20.5741 137.4 23.04 6.17
Arsenic mg/L 0.002 0.08911 0.583 0.185 0.0028
Cadmium mg/L <MDL 0.01744 0.041 0.01 0.02
Calcium mg/L 0.15 235.834 977 76.4 13.57
Iron Dissolved mg/L <MDL 0.089 0.25 0.03 0.008
Iron (Total) mg/L 0.05 1.97447 21.5 0.29 0.05
Magnesium mg/L <MDL 0.27893 2.605 0.09 0.11
Manganese (Dissolved) mg/L <MDL 0.01338 0.04 0.004 0.001
Manganese (Total) mg/L <MDL 0.05631 0.403 0.012 0.004
Mercury mg/L DL
M 0.00192 0.02500 0.00013 0.00013
Selenium mg/L 06 0.13082 0.726 0.103 0.047
Sodium mg/L 5.6
T 662.674 1252.5 202.6 769
Zinc mg/L MIDI-
< 0.07287
1 0.31 0.03 0.03
The area of concern for monitoring point TC-03-01 Upper (B) has not been affected by the mining operation. Therefore, all recorded
monitoring events are considered Baseline.
Monitoring Well TC-03-01 Upper (B) is located in the southeast comer of Section 5, T13S, R91 W.
Located in UpperB Seam

•
•
Baseline Information Collection initiated on 9130/03 and not yet considered complete.
Point TC-03-01 Upper (B) has not been influenced by mining.
Figure No. 148