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

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Bowie Resources Limited
Bowie No. 2 Mine
2002 Annual Hydrology Report
TC-low
Canat -Terror Ditch
Elevation - 6520
Surface Water
Initiated 9/30/1996 9/30/1996 9/30/1996 9/30/1996
Activated
Date 11/23/2002 9/26/2002 6/25/2002 4/29/2002
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Summary Information
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Para_,~e(ers. , , "
Baseline Operation
UNITS Min Ave Max Min Ave Max
Flow CFS 0.00 1.79 7.91 0.23 2.03 0.09 0.63
Water Level in Flume Feet 0.00 0.28 0.86 0.09 0.36 0.05 0.17
FieldComment
ph su 7.3 8.3 8.8 7.8 7.8 7.3 7.7
Condudivi umhos/cm 40 123 200 120 130 100 110
Temperature Celsius 0.0 7.3 17.5 1.20 8.80 12.90 8.40
DO mg/L 0.0 4.1 11.7 9 9.3 0.0 8.9
+h
P amete: ., -
UNITS
Bicarbonate m /L 53 83 115 76 57
Chloride mg/L <MDL 1 3 1 2
Conductivit umhos/cm 103 168 238 162 119
Hardness mg/L 47 69 91 59 54
Nitrate-Nitrite m IL <MDL 0.01 0.05 <MDL <MDL
Oil and Grease m /L <MDL 2 2 2 <MDL
pH su 7.0 7.6 8.0 7 7.9
Phosphate m /L <MDL 0.14 0.80 0.06 0.07
ResidueFilterable-TDS m /L 80 118 160 110 110
ResidueNOnFillerable-TS mg/L <MDL 11 34 <MDL <MDL
SAR <MDL 0.32 0.58 0.46 0.34
Sulfate mg/L <MDL 4 20 10 <MDL
Aluminum mg/L 0.08 0.98 2.32 0.22 0.72
Arsenic mg/L <MDL 0.0002 0.0010 <MDL <MDL
Cadmium m /L <MDL <MDL <MDL <MDL <MDL
Calcium m /L 11.7 17.1 22.3 15.5 13.9
Copper mg/L <MDL <MDL <MDL <MDL <MDL
Iron Total) mg/L 0.11 0.87 1.88 0.2 0.58
Lead m /L <MDL <MDL <MDL <MDL <MDL
Magnesium mg/L 4.1 6.2 8.5 5.7 4.9
Man anese (TOfal) m L <MDL 0.024 0.039 <MDL 0.017
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 mg/L 4.6 8.9 12.4 8.7 5.8
Zinc m /L <MDL 0.01 0.02 <MDL <MDL
The area of concern for monitoring point TC-low has not bee affected by the mining operation. Therefore, all recorded
monitoring events are considered Baseline.
The monitoring point locafion for TC-!ow is located on Terror Ditch and foundjusf below the headgate of Terror Dltch. !f is accessed from the
Tercor Creek road by permission through locked gates. This monitoring point is referred to in the Bowie No. 1 Annual Hydrology Reporf as SW10.
Baseline Information ColleMion initiatetl on 9/30/96 and not yet considered complete.
Point TC-low has not been inNuenced by mining.
Monitoring Point Table 87
Revised 03/04