REP38125

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 4/27/2005
• Doc Name: 2004 AHR Part 2
• Annual Report Year: 2004
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Bowie Resources, LLC Surface Water
Bowie No. 2 Mine
2004 Mnual Hydrology Report HUB-up
Hubbard Creek -Drainage System
Elevation - 6320
Initlated 9!30/1996 9/30/1996 9130/1998 9130/1996
Activated 4!1/2002 4/1/2002 411/2002 4/112002
Date 11/17/2004 9/28/2004 6/25/2004 3/19/2004
Summary InfonnaGon
`~
•
Baseline Operation
UNITS Min Ave Max Min Ave Max
Fbw CFS 2.63 19.38 152.81 0.90 7.59 21.00 ~ 6.5 14 1.5 21
FieldComment
ph su 7.8 8.5 9.0 6.7 8.0 8.9 8.2 8.4 8.6 8.9
Conductivity umhos/cm 70 189 280 90 178 260 140 90 230 120
Temperature Celsius 0.4 9.4 20.9 0.2 8.5 14.8 1.6 10.7 14.5 7.2
pp m 0.0 3.3 14.0 0.0 9.1 12.0 10.2 9.6 9.2 9.8
UNITS
Bicarbonate mglL 57 114 149 91 123 159 91 125
Chloride mglL - <MDL 1 2 1 2 2 2 2
Conduc5 ' umhoslcm 114 220 296 182 240 277 182 240
Hardness mglL 51 88 119 81 96 109 81 98
Nitrate-Nitrite mglL <MDL 0.03 0.17 <MDL 0.06 0.07 <MDL <MDL
Oil and Grease mglL <MDL 8 8 <MDL 3 3 <MDL <MDL
pH su 7.0 7.8 8.2 7.6 8.0 8.3 6.0 6.3
Phosphate mglL <MDL 0.7 7.6 <MOL 0.04 0.06 0.06 0.03
ResidueFitterable-TDS mglL 100 145 190 110 152 180 110 160
ResidueNOnFltte2ble-TS mglL <MDL 11 48 <MDL 9 10 <MDL 10
SAR <MDL 0.43 0.85 0.47 0.71 0.67 0.47 0.82
Sulfate mglL <MDL 6 20 10 23 50 50 20
Aluminum mglL <MDL 0.48 2.25 cMOL 0.17 0.43 0.15 0.14
Arsenic mglL <MDL 0.0001 0.0010 <MDL 0.0005 0.0006 <MDL 0.0006
Cadmium mg/L <MDL <MDL <MOL <MOL cMDL <MOL <MOL <MDL
Calcium mg/L 14.2 25.2 31.8 23.1 27.3 30.0 23.1 27.5
Copper mglL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Iron otal mg/L 0.08 0.63 1.65 0.06 0.32 0.64 0.38 0.64
Lead mglL <MDL <MDL <MDL <MDL 0.0002 0.0003 <MDL 0.0003
Ma nesium mglL 3.7 6.3 7.8 5.7 8.5 7.2 5.7 7.2
Manganese (Total m L 0.005 0.017 0.035 0.007 0.012 0.015 0.011 0.015
Mercu mgt <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Molyebdenum mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Selenium mg/L <MDL <MDL <MDL <MDL 0.0001 0.0001 <MDL 0.0001
Sodium m 4.7 13.6 21.1 9.8 17.2 23.5 9.8 18.5
Zinc mg/L <MDL 0.01 0.04 <MDL 0.01 O.Ot <MDL
fie Upper Hubbard Creek monitoring point is located at a large rwlvert bated a[ the mine entrance o/the Blue Ribbon Mine.
Fbw calalated by adding DTD upper and Hub bw.
Baseline Information for Point Hub-up is derived from events beginning on 9/3U/96 through 4/1/02.
Point influenced by mining on 4/1/02. F19Ur8 NO. 11 ~