REP29558

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 5/5/2004
• Doc Name: 2003 Annual Hydrology Report Part 2
• From: J.E. Stover & Associates
• To: DMG
• Annual Report Year: 2003
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

I •
Bowie Resources Limited
Bowie No. 2 Mine
2003 Annual Hydrology Report
B-Gulch-lo
Drainage System
Elevation - 5960
Surface Water
Initiated 2/28/1995 2/28/1995 2/28/1995 2/28/1995
Activated 3130/1997 3!3011997 3/3011997 3/30/1997
Date 12/16/2003 9/17/2003 612512003 4/29/2003
Summary Information
•

Eiefd
P.atamete ' Baseline Operation
UNITS Min Ave Max Min Ave Max
Flow GPM 0 0 0 0.00 0.71 6.57 0 0 0 0
FieldComment Dry Dry Slow Ddp Dry
ph su 6.5 8.3 8.8
Conductivity umhos/cm 960 5553 9800
Temperature Celsius 0.5 12.7 24.2
l~~ .
Parameter
UNITS
Bicarbonate m /L 227 480 678
Chloride m /L 27 56 92
Conductivity umhos/cm 1030 648fi 9670
Hardness mg/L <MDL 2118 3930
Nitrate-Nitrite mglL 0.12 12.87 20.70
Oil and Grease m IL <MDL 10.00 10.00
pH su 8.2 8.4 8.5
Phosphate m /L <MDL 0.1 0.4
ResidueFilterable-TDS mg/L 630 7204 10400
ResidueNonFilterable-TS mg/L <MDL 5140 34500
SAR <MDL 2.82 11.40
Sulfate mg/L 270 3900 6620
Aluminum m /L <MDL 22 148
Arsenic m /L <MDL 0.012 0.081
Cadmium mg/L <MDL 0.003 0.02
Calcium m 2 101 249 320
Copper mg/L <MDL 0.1 0.6
Iron (Total) mg/L <MDL 23 149
lead m /L <MDL 0.07 0.48
Ma nesium m /L 27.2 507.6 773.0
Manganese (Total) m 2 <MDL 0.2 1.0
Mercu m /L <MDL O.D000 0.0003
Molyebdenum mg/L <MDL <MDL <MDL
Selenium mgll <MDL 0.074 0.140
Sodium m /L 142 1050 1540
Zinc mg/L <MDL 0.26 1.70
The Lower B Gulch monitoring poinl is just above Sediment Pond B. AU flows in this Gulch flow into this Sediment Pond. This point
exhibited no /lows before the construction of the mine. The mine construction and now the mine operation provide flow to this gulch.
Baseline Information for B-Gulch-lo is derived from events beginning on 2/28/95 through 3/30/97.
Point influenced by mining on 3/30/97.
Figure No. 81