2010-02-25_REPORT - C1981028 ‎(6)‎

• Permit No: C1981028
• IBM Index Class Name: REPORT
• Doc Date: 2/25/2010
• Doc Name: 2009 Annual Hydrology and Annual Reclamation Report
• From: Coors Energy Company
• To: DRMS
• Annual Report Year: 2009
• Permit Index Doc Type: Hydrology Report
• Email Name: JHB
• Media Type: D
• Archive: No

• EXECUTIVE SUMMARY -Detccticz-W40tfi&ts
D9F250314
REPORTING ANALYTICAL
PARAMETER RESULT LIMIT UNITS METHOD
FPW 06/25/09 07:40 001
Barium - DISSOLVED 0.055 0.010 mg/L MCAWW 200.7
Calcium - DISSOLVED 110 0.20 mg/L MCAWW 200.7
Magnesium - DISSOLVED 36 0.20 mg/L MCAWW 200.7
Manganese - DISSOLVED 0.012 0.0050 mg/L MCAWW 200.7
Sodium - DISSOLVED 65 5.0 mg/L MCAWW 200.7
Selenium - DISSOLVED 0.0059 0.0050 mg/L MCAWW 200.7
Na Abs. Ratio 1.5 -- No Units S&PG SAR
Specific Conductance 1100 2.0 umhos/cm MCAWW 120.1
pH 7.5 0.10 No Units MCAWW 150.1
.Total Dissolved 770 10 mg/L MCAWW 160.1
Solids
Chloride 16 3.0 mg/L MCAWW 300.OA
Sulfate 190 Q 25 mg/L MCAWW 300.OA
Hardness, 420 5.0 mg/L SM18 2340B
as CaC03
Bicarbonate, as CaC03 220 5.0 mg/L MCAWW 310.1
• Total Alkalinity 220 5.0 mg/L MCAWW 310.1
AMW-1 06/25/09 08:30 002
Barium - DISSOLVED 0.025 0.010 mg/L MCAWW 200.7
Calcium - DISSOLVED 110 0.20 mg/L MCAWW 200.7
Magnesium - DISSOLVED 33 0.20 mg/L MCAWW 200.7
Sodium - DISSOLVED 170 5.0 mg/L MCAWW 200.7
Selenium - DISSOLVED 0.048 0.0050 mg/L MCAWW 200.7
Na Abs. Ratio 3..9 -- No Units S&PG SAR
Specific Conductance 1400 2.0 umhos/cm MCAWW 120.1
pH 7.6 0.10 No Units MCAWW 150.1
Total Dissolved 1100 Q 200 mg/L MCAWW 160.1
Solids
Chloride 26 .3.0 mg/L MCAWW 300.OA
Sulfate 490 Q 100 mg/L MCAWW 300.OA
Hardness, 410 5.0 mg/L SM18 2340B
as CaC03
Bicarbonate, as CaC03 .230 5.0 mg/L MCAWW 310.1
Total Alkalinity 230 5.0 mg/L MCAWW 310..1
DR96 06/25/09 09:40 003
Barium - DISSOLVED 0.011 0.010 mg /L MCAWW 200.7
Calcium - DISSOLVED 110 0.20 mg/L. MCAWW 200.7
Magnesium - DISSOLVED 49 0.20 mg/L MCAWW 200.7

• Manganese - DISSOLVED 0.52 0.0050 mg/L MCAWW 200.7
(Cont inued on next page)
AHR-2009 -43-
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