2010-09-08_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 9/8/2010
• Doc Name: July 2010 Surface Water Monitoring Data for Ralston Creek.
• From: Cotter
• To: CDPHE-WQCD
• Permit Index Doc Type: Hydrology Report
• Email Name: DB2
• Media Type: D
• Archive: No

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Helens, MT 877472-0711 • Billings, Mt q0-735418! • Cesper, WY 888-2354815
Giitette, WY 888-888-1175 • Repid City, SD 888-872-1225 • College Station, TX 888-681-2218
LABORATORY ANALYTICAL REPORT
Client: Cotter Corporation Report Date: 08/24/10
Project: Schwartzwalder Wate r Monitoring Program Collection Date: 07/14/10 07:50
Lab ID: C10070574-003 DateReceived: 07/15/10
Client Sample ID: SW-BPL Matrix: Aqueous
MCL/
Analyses Result Units Qualifiers RL QCL Method Analysis Date / By
MAJOR IONS
Alkalinity, Total as CaC03 68 mg/L 5 A2320 B 07/21/10 13:34 / Ir
Bicarbonate as HC03 83 mg/L 5 A2320 B 07/21/10 13:34 / Ir
Calcium 29.7 mg/L 0.5 E200.7 07/22/10 19:54 / cp
Chloride 35 mg/L 1 E300.0 07/24/10 19:53 / Ijl
Fluoride 0.3 mg/L 0.1 A4500-F C 07/21/10 10:34 / Ir
Magnesium 9.0 mg/L 0.5 E200.7 07/22/10 19:54 / cp
Nitrogen, Nitrate+Nitrite as N ND mg/L 0.1 E353.2 07/23/10 11:38 / Ijl
Potassium 1.8 mg/L 0.5 E200.7 07/22/10 19:54 / cp
Sodium 11.5 mg/L D 0.6 E200.7 07/22/10 19:54 / cp
Sulfate 28 mg/L 1 E300.0 07/24/10 19:53 / Ijl
PHYSICAL PROPERTIES
Solids, Total Dissolved TDS @ 180 C 195 mg/L 10 A2540 C 07/20/10 16:42 / Ir
Solids, Total Suspended TSS @ 105 C 5 mg/L 4 A2540 D 07/20/10 13:35 / kre
METALS - DISSOLVED
Aluminum ND mg/L 0.2 E200.8 07/20/10 23:45 / sml
Antimony ND mg/L 0.001 E200.8 07/31/10 01:46 / is
Copper ND mg/L 0.005 E200.8 07/20/10 23:45 / sml
Iron 0.44 mg/L 0.03 E200.7 07/22/10 19:54 / cp
Manganese 0.04 mg/L 0.01 E200.8 07/20/10 23:45 / smI
Molybdenum ND mg/L 0.005 E200.8 07/20/10 23:45 / sml
Phosphate as P ND mg/L 0.1 E200.7 07/22/10 19:54 / cp
Phosphorus ND mg/L 0.1 E200.7 07/22/10 19:54 / cp
Silver ND mg/L 0.001 E200.8 07/20/10 23:45 / sml
Thallium ND mg/L 0.001 E200.8 07/20/10 23:45 / sml
Uranium 0.133 mg/L 0.0002 E200.8 07/20/10 23:45 / smI
Zinc ND mg/L 0.005 E200.8 07/20/10 23:45 / sml
METALS - TOTAL
Aluminum ND mg/L 0.2 E200.7 07/23/10 20:16 / cp
Antimony ND mg/L 0.001 E200.8 07/29/10 22:07 / sml
Arsenic ND mg/L 0.1 E200.7 07/23/10 20:16 / cp
Boron ND mg/L 0.1 E200.7 07/23/10 20:16 / cp
Chromium ND mg/L 0.05 E200.7 07/23/10 20:16 / cp
Copper ND mg/L 0.005 E200.7 07/23/10 20:16 / cp
Iron 0.19 mg/L 0.03 E200.7 07/23/10 20:16 / cp
Lead ND mg/L 0.005 E200.8 07/29/10 22:07 / sml
Manganese ND mg/L 0.01 E200.7 07/23/10 20:16 / cp
Mercury ND mg/L 0.0001 E245.1 07/23/10 13:10 / jp
Molybdenum ND mg/L 0.1 E200.7 07/23/10 20:16 / cp
Silver ND mg/L 0.001 E200.8 07/29/10 22:07 / sml
Thallium ND mg/L 0.001 E200.8 07/29/10 22:07 / smI
Uranium 0.137 mg/L 0.0003 E200.8 07/29/10 22:07 / sml
Zinc ND mg/L 0.005 E200.8 07/29/10 22:07 / sml
Report RL - Analyte reporting limit. MCL - Maximum contaminant level.
Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
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