REP46124

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 3/10/2004
• Doc Name: 2002 Annual Report ‎(AHR & ARR)‎ Adequacy Response
• From: J.E. Stover & Associates
• To: DMG
• Permit Index Doc Type: Annual Reclamation Report
• Media Type: D
• Archive: No

Bowie Resources Limited Surface Water
Bowie No. Z Mine
2002 Annual Hydrology Report HUB-up
Hubbard Creek -Drainage System
Elevation - 6320
Initiatetl 9/30/1996 9/30/1996 9/30/1996 9/30/1996
Activated 4/1/2002 4/1/2002 4/1/2002 4/1/2002
Date 11/22/2002 9/24/2002 6/24/2002 4/30/2002
Summary Information
•

e_. p1e,e„_ Baseline Operation
UNITS Min Ave Max Min Ave Max
Flow CFS 2.63 19.38 152.81 3.60 5.93 9.20 6.20 4.70 3.60 9.20
FieldComment
ph su 7.8 8.5 9.0 6.7 7.7 8.1 6.7 8.1 8.1 7.7
Conductivi umhos/cm 70 189 280 110 203 260 200 260 240 110
Temperature Celsius 0.4 9.4 20.9 2.6 9.6 14.8 2.6 14.1 14.8 7.0
DO m /L 0.0 3.3 14.0 0.0 7.5 10.7 10.4 0.0 8.8 10.7
~*'° `
F,_..: ._B. e.,.. ..... ,.... g
UNITS
Bicarbonate mg/L 57 114 149 121 140 159 121 159
Chloride mg/L <MDL 1 2 2 2 2 2 2
Conductivi umhos/cm 114 220 296 266 272 277 Z66 277
Hardness mg/L 51 88 119 93 101 109 93 109
Nitrate-Nitdte m /L <MDL 0.03 0.17 <MDL 0.07 0.07 <MDL 0.07
Oil and Grease mg/L <MDL 8 8 <MDL 3 3 3 <MDL
pH su 7.0 7.8 8.2 7.6 7.8 8.0 7.6 8.0
Phosphate mg/L <MDL 0.7 7.6 <MDL 0.03 0.03 <MDL 0.03
ResidueFilterable-TDS mg/L 100 145 190 140 160 180 140 180
ResidueNOnFilterable-TS m /L <MDL 11 48 <MDL <MDL <MDL <MDL <MDL
SAR <MDL 0.43 0.85 0.70 0.78 0.87 0.70 0.87
Sulfate mg/L <MDL 6 20 20 20 20 20 20
Aluminum m /L <MDL 0.48 2.25 <MDL 0.24 0.43 0.43 0.05
Arsenic mg/L <MDL 0.0001 0.0010 <MDL <MDL <MDL <MDL <MDL
Cadmium mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Calcium mg/L 14.2 25.2 31.8 28.3 28.5 28.8 28.3 28.8
Copper m /L <MDL cMDL <MDL <MDL <MDL <MDL <MDL <MDL
Iron (Total) mg/L 0.08 0.63 1.65 0.08 0.31 0.54 0.54 0.08
Lead mg/L <MDL cMDL <MDL <MDL <MDL <MDL <MDL <MDL
Magnesium mg/L 3.7 6.3 7.8 5.9 6.3 6.7 5.9 6.7
Man anese (Total) mg/L 0.005 0.017 0.035 0.014 0.014 0.015 0.015 0.014
Mercu mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Molyebdenum m /L <MDL cMDL <MDL <MDL <MDL <MDL <MDL <MDL
Selenium mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Sodium m /L 4.7 13.6 21.1 19.2 21.4 23.5 19.2 23.5
Zinc m /L <MDL 0.01 0.04 <MDL 0.01 0.01 0.01 <MDL
The Upper Hubbard Creek monitoring point is located at a large culvert located at the mine ent2nce of the Blue Ribbon Mine.
N/A = Nof Available
Baseline Information for Point Hub-up is derived from events beginning on 9/30/96 through 4/1/02.
Point influenced by mining on 4/1/02. Monitoring Point Table 82
Revised 03/04