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 Younglield Street, Wheat Ridge, Colorado 80033-3862
[phone]
Client Sample ID MW-004 Lab Work Order 09-3358
Client Project ID Lab Sample ID: 09-3358-03
Date Collected: 5/12/09 Sample Matrix: Water
Date Received: 5/13/09
ALKALENITY
Method: SM2320B
Prep Method:
Date Prepared: 5/15/09 Lab File ID: 125 Dilution Factor: 1
Date Analyzed: 5/15109 Method Blank- NBLK 05/15/09 Lab Fraction ID: 09-3358-03E
Analytes CAS Number Result LQL units
Total Alkalinity 416 5.0 mg/L CaCO3
Bicarbonate 416 5.0 mg/L CaC03
Carbonate U 5.0 mg/L CaC03
Hydro,Nidc U 5.0 mg/L CaCO3

AMMONIA N
Method: SM4500-NH3 D Prep Method:
Date Prepared: 5/18/09 Lab File ID: 51 Dilution Factor: I
Date Analyzed: 5/18/09 Method Blank: MBLK 5/18/09 Lab Fraction ID: 09-3358-03D
Analytes CAS Number Result LQL Units
Ammonia-N U 0.10 mg/L

FLUORIDE
Method: SM 4500-F C Prep Method:
Date Prepared: 5/19/09 Lab File M: 3 Dilation Factor: 1
Date Analyzed: 5/19/09 Method Blank: MBLK 051909 Lab Fraction ID: 09-3358-03C
Analytes CAS Number Result LQL Units
Fluoride 16984-48-8 0.85 0.20 M91L

TOTAL DISSOLVED SOLIDS (TDS)
Method: SM 2540C Prep Method:
Date Prepared: 5/14/09 Lab File ID: 74 Dilution Factor: 1
Date Analyzed: 5/14/09 Method Blank: MBLK 5/14/09 Lab Fraction ID: 09-3358-03E
Analytes CAS Number Result LQL Units
Total Dissolved Solids 2630 10.0 mg/L
Analyst Approved
Qualifiers: B - Analyte detected in the associated Method Blank, value not subtracted ftom insult Defmi iomt: NA - Not Applicable
E - Extrapolated value.Value exceeds cal'brationrange LQL- Lower Quantitation Limit
K - Sample analysis exceeded analytical holding time Stier - Surrogate
J - Indicates an estimated value when the oompound is defected, but is below the LQL
S - Spike Recovery outside accepted limits
U - Compound analyzed for but not deflected
X - See case narrative
* -Value exceeded the Maximum Contamination Level (MCL), TCLP limit, or if
compound is undetected, LQL exceeds MCL. Print Date: 5 W/2009