2010-11-23_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 11/23/2010
• Doc Name: August 2010 Surface Water Monitoring Data
• From: Cotter
• To: CDPHE/WQCD
• Permit Index Doc Type: Hydrology Report
• Email Name: DB2
• Media Type: D
• Archive: No

- L1 www.energylab.com Helena, w B77.472-0711 • Billings, MT 800-735-44891 Casper, WY 888-235-0515
w . - ? - Ans" a/Excoge co Vnes IM Gillette, WY 866-666-7175 • Rapid City, SO 88B-672.1225 • College Station, TX 888-690-2218
LABORATORY ANALYTICAL REPORT
Client: Cotter Corporation
Project: Schwartzwalder Mine
Lab ID: C10080962-004
Client Sample ID: SW-PL (S25180)
Report Date: 09/27/10
Collection Date: 08/24/10 16:03
DateReceived: 08/26/10
Matrix: Aqueous
MCL/
Analyses Result Units Qualifiers RL QCL Method Analysis Date! By
MAJOR IONS
Alkalinity, Total as CaC03 88 mg/L 1 A2320 B 08/28/10 01:40 / ja
Bicarbonate as HC03 108 mg/L 1 A2320 B 08/28/10 01:40 / ja
Calcium 34.1 mg/L 0.1 E200.8 09/13/10 14:08 / eli-h
Chloride 46 mg/L 3 E300.0 09/03/10 21:51 / Ijl
Fluoride 0.3 mg/L 0.1 A4500-F C 08/30/10 12:36 / ja
Magnesium 9.6 mg/L 0.1 E200.8 09/13/10 14:08 / eli-h
Nitrogen, Nitrate+Nitrite as N ND mg/L 0.1 E353.2 09/08/10 09:00 / eli-b
Phosphate, Total 0.04 mg/L 0.01 Calculation 09/13/10 11:54 / sec
Phosphorus, Total as P 0.01 mg/L 0.01 E365.1 09/03/10 14:07 / eli-b
Potassium 2.0 mg/L 0.1 E200.8 09/13/10 14:08 / eli-h
Sodium 14.8 mg/L D 0.5 E200.7 09/07/10 18:29 / eli-h
Sulfate 13 mg/L 5 E300.0 09/03/10 21:51 / Ijl
NON-METALS
Cyanide, Weak Acid Dissociable ND mg/L
0.005 D2036 09/01/10 13:45 / eli-b
PHYSICAL PROPERTIES
Solids, Total Dissolved TDS @ 180 C 214 mg/L 10 A2540 C 08/30/10 10:10 / Ir
Solids, Total Suspended TSS @ 105 C 13 mg/L 4 A2540 D 08/30/10 10:55 / Ir
METALS - DISSOLVED
Aluminum ND mg/L 0.2 E200.8 09/10/10 20:42 / eli-h
Antimony ND mg/L 0.001 E200.8 09/10/10 20:42 / eli-h
Copper ND mg/L 0.005 E200.8 09/10/10 20:42 / eli-h
Iron 0.10 mg/L 0.03 E200.8 09/13/10 14:08 / eli-h
Manganese 0.01 mg/L 0.01 E200.8 09/10/10 20:42 / eli-h
Molybdenum ND mg/L 0.005 E200.8 09/10/10 20:42 / eli-h
Silver ND mg/L 0.001 E200.8 09/13/10 14:08 / ell-h
Thallium ND mg/L 0.001 E200.8 09/10/10 20:42 / eli-h
Uranium 0.0056 mg/L 0.0002 E200.8 09/10/10 20:42 / eli-h
Zinc ND mg/L 0.005 E200.8 09/10/10 20:42 / eli-h
METALS-TOTAL
Aluminum ND mg/L 0.2 E200.7 09/01/10 14:26 / rdw
Antimony ND mg/L 0.001 E200.8 09/08/10 04:02 / sml
Arsenic ND mg/L 0.1 E200.8 09/03/10 01:15 / sml
Boron ND mg/L 0.1 E200.7 09/01/1014:26/ rdw
Chromium ND mg/L 0.1 E200.8 09/03/10 01:15 / sml
Copper ND mg/L 0.005 E200.8 09/03/10 01:15 / sml
Iron 0.33 mg/L 0.03 E200.7 09/01/10 14:26 / rdw
Lead ND mg/L 0.005 E200.8 09/03/10 01:15 / sml
Manganese 0.02 mg/L 0.01 E200.7 09/01/10 14:26 / rdw
Mercury ND mg/L 0.0001 E245.1 08/30/10 10:34 / rdw
Report RL - Analyte reporting limit. MCL - Maximum contaminant level.
Definitions: QCL - Quality control limit. ND - Not detected at the reporting lim it.
D - RL increased due to sam ple matrix.
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