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: 08/11A0
Client: Cotter Corporation Report Date: 07/06/10
Project: Schwartzwalder Water Monitoring Program Collection Date: 06/10/10 08:45
Lab ID: 010060510-009 DateReceived: 06/11/10
Client Sample ID: SW-BDIS Matrix: Aqueous

Analyses
Result
Units
Qualifiers RL MCU
QCL Method
Analysis Date / By
MAJOR IONS
Alkalinity, Total as CaC03 51 mg/L 5 A2320 B 06/17/10 01:51 / Ir
Bicarbonate as HC03 62 mg/L 5 A2320 B 06/17/10 01:51 / Ir
Calcium 19.4 mg/L D 0.4 E200.7 06/16/10 12:17! cp
Chloride 26 mg/L 3 A4500-CI B 06/15/10 12:22 / Ir
Magnesium 5.4 mg/L 0.1 E200.7 06/16/10 12:17 / cp
Potassium 1.6 mg1L 0.1 E200.7 06/16/10 12:17 / cp
Sodium 9.5 mg/L D 0.6 E200.7 06116/10 12:17 / cp
Sulfate 12 mg/L 1 A4500-SO4 E 06/22/10 10:44 / Ir
PHYSICAL PROPERTIES
Solids, Total Dissolved TDS @ 180 C 135 mg/l_
METALS - DISSOLVED
10 A2540 C 06114/10 09:54 / kre
Aluminum ND mg/L 0.2 E200.8 06/15/10 05:281 is
Antimony ND mg/L 0.001 E200.8 06/15/10 05:28 / is
Copper ND mg/L 0.005 E200.8 06/15/10 05:28 / is
Iron 0.05 mg/L 0.03 E200.7 06116/10 12:17 / cp
Manganese ND mg/L 0.01 E200.8 06/15/10 05:28 / is
Molybdenum ND mg/L 0.005 E200.8 06/15/10 05:28 / is
Thallium ND mg/L 0.001 E200.8 06115/10 05:28! is
Uranium 0.0022 mg/L 0.0002 E200.8 06/15/10 05:28 / is
METALS-TOTAL
Aluminum 0.4 mg/L 0.2 E200.7 06/15/10 18:35 / cp
Antimony ND mg/L 0.001 E200.8 06/28/10 12:48 / is
Arsenic ND mg/L 0.1 E200.7 06115/10 18:35 / cp
Copper ND mg/L 0.005 E200.7 06/15/10 18:351 cp
Iron 0.56 mg/L 0.03 E200.7 06115/10 18:35 / cp
Lead ND mg/L 0.005 E200.8 06/16110 23:48 / sml
Manganese 0.04 mg/L 0.01 E200.7 06/15/10 18:35 ! cp
Mercury ND mg/L 0.0001 A3112 B 06l15/1016:02ljp
Silver ND mg/L 0.001 E200.8 06/16/10 23:481 sml
Thallium ND mg/L 0.001 E200.8 06/16/10 23:48 / sml
Zinc 0.007 mg/L 0.005 E200.8 06/16/10 23:48 / smI
RADIONUCLIDES - DISSOLVED
Radium 226 0.08 pCUL U E903.0 06/22/1014:44 / ep
Radium 226 precision (±) 0.13 pCUL E903.0 06/22/1014:44 / ep
Radium 226 MDC 0.21 pCUL E903.0 06/22/10 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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