2009-08-28_HYDROLOGY - M2002004

• Permit No: M2002004
• IBM Index Class Name: HYDROLOGY
• Doc Date: 8/28/2009
• Doc Name: 1st Half, 2009 GW Report
• From: GCC Rio Grande, Inc.
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Email Name: BMK
• Media Type: D
• Archive: No

Evergreen Analytical, Inc.
4036 Y oungfield Street, Wheat Ridge, Col orado 80033-3862
[phone]
Client Sample ID DUP-01 Lab Work Order 09-3358
Client Proiect ID Lab Sample ID: 09-3358-04
Date Collected: 5/12/09 Sample Matrix: Water
Date Received: 5/13109
ALKALINITY
Method: SM2320B Prep Method:
Date Prepared: 5/15/09 Lab File ID: 126 Dilution Factor: 1
Date Analyzed: 5/15/09 Method Blank- MBLK 05/15109 Lab Fraction ID: 09-3358-04E
Analytes CAS Number Remit LQL Units
Total Alkalinity 289 5.0 mg/L CaC03
Bicarbonate 289 5.0 mg/L CaC03
Carbonate U 5.0 mg/L CaC03
Hydroxide U 5.0 mg/L CaCO3

AMMONIA-N
Method: SM4500-NH3 D Prep Method:
Date Prepared: 5/18/09 Lab File ID: 52 Dilution Factor: 1
Date Analyzed: 5/18/09 Method Blank: - MBLK 5118/09 Lab Fraction ID: 09-3358-04D
Analytes CAS Number Result LQL Units
Ammonia-N 0.20 0.10 mg/L.

FLUORIDE
Method: SM 4500-F C Prep Method:
Date Prepared: 5/19/09 Lab File ID: 4 Dilution Factor: 1
Date Analyzed: 5/19/09 Method Blank: NOLK051909 Lab Fraction ID: 09-3358-04C
Analytes CAS Number Result LQL Units
Fluoride 16984-48-8 0.67 0.20 mg/L

TOTAL DISSOLVED SOLIDS (TDS)
Method: SM 2540C Prep Method:
Date Prepared: 5/14/09
Date Analyzed: 5/14/09 Lab File ID: 75
Method Blank: MBLK 5/14/09 Dilution Factor: 1
Lab Fraction ID: 09-3358-04E
Analytes CAS Number Result LQL Units
Total Dissolved Solids 1390 10.0 mg/L
Analyst Approved
Qualifiers: B - Analyte detected in the associated Method Blank, value not subtracted from result
E - Extrapolated vahm.Value exceeds calibration range Defintfions: NA - Not Applicable
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 l imits
U - Compound analyzed for but not detected
X - See case narrative
* -Value exceeded the Maximum Contamination Level (MCL), TCLP lu nk or if
compound is unddectcsl, LQL exceeds MCI- Print Date: 51=009