2011-05-11_HYDROLOGY - M1977300 ‎(5)‎

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/11/2011
• Doc Name: March 2011 SW Data- 3-10-11
• From: Cotter
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Email Name: DB2
• Media Type: D
• Archive: No

412-0711
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• Billings, MT800-735-4189 • Casper,WY888-235-851iris city, SD 41" 72-1225 • college Station TX 888-6904211
LABORATORY ANALYTICAL REPORT
Prepared by Casper, WY Branch
Client: Cotter Corporation Report Date: 04/11/11
Project: Schwartz-SW 3/10/2011 S25686-S25688 Collection Date: 03/10/11 09:40
Lab ID: C11030378-003 DateReceived: 03/11/11
Client Sample ID: SW LLHG (S25688) Matrix: Aqueous
MCL/
Analyses Result Units Qualifiers RL QCL Method Analysis Date / By
METALS-TOTAL
Mercury ND mg/L 0.0001 E245.1 03/15/11 14:02 / rdw
Molybdenum 0.012 mg/L 0.005 E200.8 03/30/11 17:53 / sml
Silver ND mg/L 0.00005 E200.8 03/30/11 17:53 / sml
Thallium ND mg/L 0.0002 E200.8 03/24/11 03:36 / sml
Uranium 0.241 mg/L 0.0002 E200.8 03/24/11 03:36 / sml
Zinc ND mg/L 0.005 E200.8 03/29/11 00:45 / sml
RADIONUCLIDES - DISSOLVED
Radium 226 0.79 pCi/L E903.0 03/21/11 20:55 / trs
Radium 226 precision (±) 0.20 pCi/L E903.0 03/21/11 20:55 / trs
Radium 226 MDC 0.15 pCi/L E903.0 03/21/11 20:55 / trs
RADIONUCLIDES - TOTAL
Gross Alpha 191 pCi/L E900.0 03/17/11 10:18 / ep
Gross Alpha precision (±) 6.1 pCi/L E900.0 03/17/11 10:18 / ep
Gross Alpha MDC 2.1 pCi/L E900.0 03/17/11 10:18 / ep
Gross Beta 31.6 pCi/L E900.0 03/17/11 10:18 / ep
Gross Beta precision (±) 2.0 pCi/L E900.0 03/17/11 10:18 / ep
Gross Beta MDC 2.5 pCi/L E900.0 03/17/11 10:18 / ep
Radium 226 0.55 pCi/L E903.0 04/05/11 08:41 / trs
Radium 226 precision (±) 0.13 pCi/L E903.0 04/05/11 08:41 / trs
Radium 226 MDC 0.09 pCi/L E903.0 04/05/11 08:41 / trs
Radium 228 0.90 pCi/L U RA-05 03/29/11 12:00 / plj
Radium 228 precision (±) 0.63 pCi/L RA-05 03/29/11 12:00 / plj
Radium 228 MDC 0.99 pCi/L RA-05 03/29/11 12:00 / plj
DATA QUALITY
A/C Balance (± 5) 2.49 % Calculation 04/07/11 09:56 / kbh
Anions 4.76 meq/L Calculation 04/07/11 09:56 / kbh
Cations 5.01 meq/L Calculation 04/07/11 09:56 / kbh
Solids, Total Dissolved Calculated 296 mg/L Calculation 04/07/11 09:56 / kbh
TDS Balance (0.80 - 1.20) 1.16 Calculation 04/07/11 09:56 / kbh
FIELD PARAMETERS
Conductivity 508 umhos/cm FIELD 03/10/11 09:40 / -
pH 7.48 s. u. FIELD 03/10/11 09:40 / -
Temperature 3.4 °C FIELD 03/10/11 09:40 / -
"' Performed by Sampler
Report RL - Analyte reporting limit. MCL - Maximum contaminant level.
Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit .
MDC - Minimum detectable concentration U - Not detected at minimum detectable concentration
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