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
AW-12
Alluvial Well
Elevation - 5878
Depth - 45.38'
Ground Water
Initiated 12120/2000 12/20/2000 12/20/2000 12/20/2000
Activated 2!28!2002 2!28!2002 2!28/2002 2126!2002
Date 12/28/2005 9/28/2005 6/27/2005 3/18/2005
Summary Infomlalion
i •
I •
Field
Parameters Baseline Operation
UNITS Min Ave Max Min Ave Max
Static Water Leval Feet 8.49 26.717 37.03 8.22 24.91 38.23 31.77 20.74 19.92 29.58
Water Elevation Feet 5841.0 5851.3 5871.5 5639.8 5853.1 5889.8 5846.23 5857.28 5858.08 5848.42
FieltlCommen[
ph su 7.1 7.5 7.7 7.2 7.5 7.8 7.8 7.7 7.6 7.8
Conductivity umhos/cm 490 587 610 485 593 690 690 510 490 820
Temperature Celsius 10.4 13.0 16.1 11.2 12.9 15.7 11.5 145 13.2 12.4
Lab
Parameters
UNITS
Bicarbonate mglL 297 336.33 371 266 359 401 407 266
Carbonate mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Chloride mg/L 2 2 2 1 2 3 2 3
Contludivity umhoslcm 548 571 609 546 841 727 727 560
Hardness mg/L 316 318 318 237 301 352 350 268
Nitrete-Nitrite mg/L 0.45 0.4733 0.51 <MDL 0.49 0.81 <MDL 0.27
Ammonia mglL <MDL 0.09 0.27 <MDL 0.04 0.07 <MDL <MDL
pH su 7.4 7.8333 7.9 7.4 7.9 8.2 8.2 8.1
Phosphate mg/L <MDL 0.0167 0.05 0.00 0.05 0.09 0.08 0.06
ResidueFilterable-TDS m /L 310 330 340 310 350 360 330 310
Sulfate m /L 10 13.333 20 <MDL 18 40 10 40
Arsenic mg/L <MDL <MDL <MDL <MDL 0.0003 0.0008 <MDL <MDL
Catlmium mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Calcium mg/L 51.9 54.8 57.4 36.6 55.0 885 83.4 50.9
Iron (Dissolvetl) m /L 0.02 8.3167 24.9 <MDL 0.04 0.05 0.05 0.05
Iron oral m /L 0.05 42.55 83.7 0.02 3.88 17.60 4.5 2.15
Ma nesium (Dissolved) mg/L <MDL 25.433 42.4 <MDL 40.4 47 3 46.6 34.2
Manganese (Dissolved) mg/L <MDL <MDL <MDL <MDL 0.003 0.005 <MDL <MDL
Manganese (Total) mg/L <MDL 0.884 2.050 <MDL 0.078 0.253 0.057 0.041
Mera m /L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Selenium m /L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Sodium mg/L 79.5 20.633 21.2 17.0 25.8 53.0 22.2 53
Zinc mgfL <MDL 0.0033 0.01 <MDL 0.02 0.05 <MDL <MDL
Alluvial WeIISAW-11 through AW-13 are located north o(the Union Pacific Railroad. They were installed in 2000 to tlevelop
baseline data /ora new train badout.
Baseline Information for AW-72 is tlerived from events beginning on 12!20/00 through 2/28/02.
Point inBuenced by mining on 2@6102.
Figure No. 164