2010-08-25_HYDROLOGY - M1977300 ‎(2)‎

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 8/25/2010
• Doc Name: June 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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LABORATORY ANALYTICAL REPORT
Revised Date: 08/11 A 0
Client: Cotter Corporation Report Date: 07/06/10
Project: Schwartzwaider Water Monitoring Program Collection Date: 06/10/10 11:20
Lab ID: C10060510-012 DateReceived: 06/11/10
Client Sample ID: SW-BOS Matrix: Aqueous

Analyses
Result
Units
Qualifiers RL MCL/
QCL Method
Analysis Date / By
MAJOR IONS
Alkalinity, Total as CaC03 53 mg/L 5 A2320 B 06/17/10 02:30 / Ir
Bicarbonate as HC03 64 mg/L 5 A2320 B 06/17/10 02:30 / Ir
Calcium 22.0 mg/L D 0.4 E200.7 06/16/1012:41 / cp
Chloride 26 mg/L 3 A4500-CI B 06115/1012:29 / Ir
Magnesium 6.4 mg/L 0.1 E200.7 06116/1012:41 / cp
Potassium 1.7 mg/L 0.1 E200.7 06116/1012:41 / cp
sodium 10.2 mg/L D 0.6 E200.7 06116/10 12:41 / cp
Sulfate 21 mg/L 1 A4500-S04 E 06/22/1010:52 / Ir
PHYSICAL PROPERTIES
Solids, Total Dissolved TDS @ 180 C 139 mg/L
10 A2540 C 06/14/10 09:55 / kre
METALS - DISSOLVED
Aluminum ND mg/L 0.2 E200.8 06115/10 06:02 / is
Antimony ND mg/L 0.001 E200.8 06115/10 06:02 / is
Copper ND mg/L 0.005 E200.8 06/15/10 06:02 / is
Iron 0.05 mg/L 0.03 E200.7 06/16110 12:41 / cp
Manganese ND mg/L 0.01 E200.8 06/15/10 06:02 / is
Molybdenum ND mg/L 0.005 E200.8 06/15/10 06:02 ! is
Thallium ND mg/l. 0.001 E200.8 06115/10 06:02 ! is
Uranium 0.0560 mg/L 0.0002 E200.8 06/15/10 06:021 is
METALS-TOTAL
Aluminum 0.4 mg/L 0.2 E200.7 06/15/1019:001 cp
Antimony ND mg/L 0.001 E200.8 06/28110 13:35 / is
Arsenic ND mg/L 0.1 E200.7 06115/10 19:00 / cp
Copper ND mg/L 0.005 E200.7 06/15/10 19:00! cp
Iron 0.53 mg/L 0.03 E200.7 06/15/10 19:00 / cp
Lead ND mg/L 0.005 E200.8 06/17/10 00.36 / sml
Manganese 0.03 mg/L 0.01 E200.7 06/15/1019:00 / op
Mercury ND mg/L 0.0001 A3112 B 06/15/1016:13 / jp
Silver ND mg/L 0.001 E200.8 06/17/1000:36lsml
Thallium ND mg/L 0.001 E200.8 06/17/10 00:361 sml
Zinc 0.009 mg/L 0.005 E200.8 06/17/10 00:36 / sml
RADIONUCLIDES - DISSOLVED
Radium 226 0.19 pCi/L U E903.0 06/22/10 14:44! ep
Radium 226 precision (±) 0.15 pCi/L E903.0 06/22110 14:44 / ep
Radium 226 MDC 0.20 pC!/L E903.0 06122/10 14:441 ep
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 D - RL increased due to sample matrix.
U - Not detected at minimum detectable concentration
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