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 Youngfield Street, Wheat Ridge, Colorado 80033-3862
[phone]
Client Sample ID MW-003 Lab Work Order 09-3358
Client Project ID Lab Sample ID: 09-3358-02
Date Collected: 5/12/09 Sample Matrix: Water
Date Received: 5/13/09
ALKALINITY
Method: SM2320B Prep Method:
Date Prepared: 5/15/09 Lab File ID: 124 Dilation Factor- 1
Date Analyzed: 5/15/09 Method Blank: MBLK 05/15/09 Lab Fraction ID: 09-3358-02E
Analytes CAS Number Result 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: 5/18109 Lab File ID: 50 Dilution Factor: 1
Date Analyzed: 5/18/09 Method Blank: MBLK 5/18/09 Lab Fraction ID: 09-3358-02D
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 ID: 2 Dilation Factor: 1
Date Analyzed: 5/19/09 Method Blank: MBLK 051909 Lab Fraction ID: 09-3358-02C
Analytes CAS Number Result LQL Units
Fluoride 16984-48-8 1.2 0.20 mg/L
TOTAL DISSOLVED SOLIDS (TDS)
Method: SM 2540C Prep Method:
Date Prepared: 5/14/09 Lab File ID: 73 Dilution Factor: 1
Date Analyzed: 5/14/09 Method Blank: MBLK 5/14/09 Lab Fraction ID: 09-3358-02E
Analytes CAS Number Result LQL Units
Total Dissolved Solids 1220 10.0 mg/L

LA? Ialyst Approved
Qualifiers: D - 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 butnot detected
X - See case narrative
s -Value exceeded the Maximum Contamination Level (MCL? TCL.P limit, or if
compound is undetected, LQL exceeds MCL. Print Date: 5IM/2009