REP18324

• Permit No: C1981028
• IBM Index Class Name: Report
• Doc Date: 2/28/2002
• Doc Name: 2001 AHR & ARR Page 66 to Page 132
• From: Coors Energy Company
• To: DMG
• Annual Report Year: 2001
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

EXECiJ7'IVE SUMMARY -Detection Highlights
• D1L240121
REPORTING ANALYTICAL
PARAMETER RESULT LIMIT UNITS METHOD

FPW-B 12/13/01 11:00 001
Barium - DISSOLVED 0.051 0.010 mg/L MCAWW 200.7
Calcium - DISSOLVED 113 0.20 mg/L MCAWW 200.7
Magnesium - DISSOLVED 36.5 0.20 mg/L MCAWW 200.7
Manganese - DISSOLVED 0.015 0.0050 mg/L MCAWW 200.7
Sodium - DISSOLVED 70.0 5.0 mg/L MCAWW 200.7
Selenium - DISSOLVED 0.0082 0.0050 mg/L MCAWW 200.7
Specific Conductance 997 2.0 umhos/cm MCAWW 120.1
pH 7.7 0.10 No Units MCAWW 150.1
Total Dissolved 736 10.0 mg/L MCAWW 160.1
Solids
Chloride 15.6 1.0 mg/L MCAWW 325.2
Hardness, 432 5.0 mg/L SM18 2340B
as CaC03
Sodium Adsorp. 1.5 -- No Units S&PG SAR
Ratio (SAR)
Sulfate 213 Q 25.0 mg/L MCAWW 375.4
Bicarbonate 270 5.0 mg/L MCAWW 310.1
• Alkalinity
Total Alkalinity 270 5.0 mg/L MCAWW 310.1
AMW1-B 12/13/01 11:55 002
Barium - DISSOLVED 0.023 0.010 mg/L MCAWW 200.7
Calcium - DISSOLVED 102 0.20 mg/L MCAWW 200.7
Magnesium - DISSOLVED 33.8 0.20 mg/L MCAWW 200.7
Sodium - DISSOLVED 159 5.0 mg/L MCAWW 200.7
Selenium - DISSOLVED 0.030 0.0050 mg/L MCAWW 200.7
Specific Conductance 1270 2.0 umhos/cm MCAWW 120.1
pH 7.7 O.IO No Units MCAWW 150.1
Total Dissolved 1130 G 50,0 mg/L MCAW41 160.1
Solids
Chloride 28.9 1.0 mg/L MCAWW 325.2
Hardness, 394 S.o mg/L SM18 2340B
as CaC03
Sodium Adsorp. 3.5 -- No Units S&PG SAR
Ratio (SAR)
Sulfate 393 Q 50.0 mg/L MCAWW 375.4
Bicarbonate 228 5.0 mg/L MCAWW 310.1
Alkalinity
Total Alkalinity 228 5.0 mg/L MCAWW 310.1
(Continued on next page)
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AHR-2 001 -71- 4