2009-01-30_HYDROLOGY - M2002004

• Permit No: M2002004
• IBM Index Class Name: HYDROLOGY
• Doc Date: 1/30/2009
• Doc Name: Second Half, 2008 Groundwater Monitoring Report
• From: GCC Rio Grande, Inc.
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Evergreen Analytical, Inc.
4036 Youngfeld Street, Wheat Ridge, Colorado 80033-3862
[phone]
Client Sample ID: DUP-01 Lab Work Order 08-8652
Client Project ID: Lab Sample ID: 08-8652-04
Date Collected: 11/6/08 Sample Matrix: Water
Date Received: 11/7/08
ALKALINITY
Method: SM2320B Prep Method:
Date Prepared: 11/7/08 Lab File ID: 129 Dilution Factor: 1
Date Analyzed: 11/7/08 Method Blank: MBLK 110708 Lab Fraction ID: 08-8652-04G
Analytes CAS Number Result LQL Units
Total Alkalinity _ 318 5.0 mg/L CaC03
Bicarbonate 318 5.0 mg/L CaC03
Carbonate U 5.0 mg/L CaC03
Hydroxide U 5.0 mg/L CaC03

AMMONIA-N
Method: SM4500-NH3 D Prep Method:
Date Prepared: 11/13/08 Lab File ID: 68 Dilution Factor: 1
Date Analyzed: 11/13/08 Method Blank: MBLK 11/13/08 Lab Fraction ID: 08-8652-04F
Analytes CAS Number Result LQL Units
Ammonia-N U 0.80 mg/L

FLUORIDE
Method: SM 4500-F C Prep Method:
Date Prepared: 11/12/08 Lab File ID: 14 Dilution Factor: 1
Date Analyzed: 11/12/08 Method Blank: MBLK 111208 Lab Fraction ID: 08-8652-04C
Analytes CAS Number Result LQL Units
Fluoride 16984-48-8 0.63 0.20 mg/L

TOTAL DISSOLVED SOLIDS (TDS)
Method: SM 2540C Prep Method:
Date Prepared: 11/12/08 Lab File ID: 4 Dilution Factor: 1
Date Analyzed: 11/12/08 Method Blank: MBLK 111208 Lab Fraction ID: 08-8652-04H
Analytes CAS Number Result LQL Units
Total Dissolved Solids 1570 10.0 mg/L
nalyst Approved
Qualifiers: B - Analyte detected in the associated Method Blank, value not subtracted from result Definitions: NA -Not Applicable
E - Extrapolated value.Value exceeds calibration range LQL - Lower Quantitation Limit
H - Sample analysis exceeded analytical holding time Surr - Surrogate
J - indicates an estimated value when the compound is detected, but is below the LQL
S - Spike Recovery outside accepted limits
U - Compound analyzed for but not detected
X - See case narrative
• -Value exceeded the Maximum Contamination Level (MCL), TCLP limit, or if
compound is undetected, LQL exceeds MCL Pfint Date: 11/14/2008
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