REP49914

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 2/23/2002
• Doc Name: 2002 Revised Annual Hydrology Report Part 2
• From: Bowie Resources
• To: DMG
• Annual Report Year: 2002
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Bowie Resources Limited Surface Water
Bowie No. 2 Mine
2002 Annual Hydrology Report TC•up
Terror Creek -Drainage System
Elevation - 7080
Initiated 9/30/1996 9/3011996 9/30/1996 9/30/1996
Activated
Date 11/23/2002 9/26/2002 6/25/2002 4/29/2002
Summary Information

C~
a
e ~ Baseline Operation
UNITS Min Ave Max Min Ave Max
Flow CFS 0.0 4.1 44.1 0.1 2.8 1.0 9.1
Water Level in Flume Feet 0.00 0.33 1.90 0.05 0.33 0.17 0.7
FieldComment
ph su 7.5 8.2 8.6 7.6 7.6 7.7 7.5
Conductivity umhos/cm 40 105 180 100 100 80 80
Temperature Celsius 0.4 8.3 79.2 0.4 9.1 14.9 11.8
DO mg/L 0.0 2.7 9.4 0 9.2 0 8
-a_; "i :. UNITS
Bicarbonate mg/L 54 79 103 72 54
Chloride m /L cMDL 1 3 1 2
Conductivity umhos/cm 109 161 216 150 109
Hardness mg/L 34 64 88 56 48
Nitrate-Nitrite mg/L <MDL 0.05 0.29 <MDL <MDL
Oil and Grease mg/L <MDL 4.5 5.0 4 cMDL
pH su 6.6 7.4 7.9 7.3 7.8
Phosphate m /L <MDL 0.07 0.43 0.06 0.08
ResidueFilterable-TDS mg/L 70 115 150 120 100
ResitlueNonFilterable-TS mg/L <MDL 18 100 6 18
SAR <MDL 0.31 0.56 0.42 0.29
Sulfate mg/L <MDL 5 20 10 <MDL
Aluminum mg/L 0.12 1.04 3.70 0.62 1.25
Arsenic mg/L <MDL 0.0002 0.001 <MDL <MDL
Cadmium mg/L <MDL <MDL <MDL <MDL <MDL
Calcium mg/L 8.7 16.4 23.7 14.9 12.3
Copper m /L <MDL 0.001 0.01 <MDL <MDL
Iron (Total) mg/L 0.18 0.89 2.61 0.56 1.01
Lead m /L <MDL 0.0000 0.0000 <MDL <MDL
Magnesium m /L 3.0 5.4 7.5 5.3 4.3
Manganese (Total) mg/L 0.013 0.035 0.140 0.024 0.041
Mercury mg/L <MDL <MDL <MDL <MDL <MDL
Molyebdenum mg/L <MDL <MDL <MDL <MDL <MDL
Selenium mg/L <MDL <MDL <MDL <MDL <MDL
Sodium m /L 4.3 7.9 11.4 7.4 4.7
Zinc m /L <MDL 0.01 0.04 <MDL <MDL
The area of concern for monitoring point TGup has not bee affected by the mining operation. Therefore, a(I recorded
monitoring events are considered Baseline.
The monitoring point location for Upper Terror Creek is located on Terror Creek just above the confluence of Tenor Creek and West Terror
Creek. It is accessed by the Terror Creek road by permission through locked gates. This point is referred to in the Bowie No. 1 Annual
Hydrology Report as SW02.
Baseline Information Collection irritiated on 9/30/96 and not yet considered complete.
Point TC-up has not been inFluenced by mining. Monitoring Point Table 88
Revisetl 03/04