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wwwowgOab.com <br />Aerl2tledaw Muc9A=102 <br />Helena, Mr 671472-0711 • Billings, Mr 901-7354489 • Casper, WY 888-235-0515 <br />Gillette, WY 866-166-7175 • Rapid City, SO 888-672-1225 • College Station, TX 888-690-2218 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 07/02/10 <br />Project: Schwartzwalder Water Monitoring Program Collection Date: 06/10/10 09:40 <br />Lab ID: C10060510-010 DateReceived: 06/11/10 <br />Client Sample ID: SW-PL Matrix: Aqueous <br /> <br />Analyses <br />Result <br />Units <br />Qualifier RL MCU <br />QCL Method <br />Analysis Date / By <br />MAJOR IONS <br />Alkalinity, Total as CaC03 51 mg/L 5 A2320 B 06/17/10 02:15 / Ir <br />Bicarbonate as HC03 62 mg/L 5 A2320 B 06/17/10 02:15 / Ir <br />Calcium 20.4 mg/L D 0.4 E200.7 06/16/10 12:21 / cp <br />Chloride 23 mg/L 3 A4500-CI B 06/15/10 12:24 / Ir <br />Magnesium 5.6 mg/L 0.1 E200.7 06/16/10 12:21 / cp <br />Potassium 1.6 mg/L 0.1 E200.7 06/16/10 12:21 / cp <br />Sodium 10.1 mg/L D 0.6 E260.7 06/16/10 12:21 / cp <br />Sulfate 14 mg/L 1 A4500-SO4 E 06/22/10 10:47 / Ir <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C 134 mg/L <br />10 A2540 C 06/14/10 09:54 / kre <br />METALS - DISSOLVED <br />Aluminum ND mdkow 0.2 E200.8 06/15/10 05:48 / is <br />Antimony ND mg/L 0.001 E200.8 06/15/10 05:48 / is <br />Copper ND mg/L 0.005 E200.8 06/15/10 05:48 / is <br />Iron 0.06 mg/L 0.03 E200.7 06/16/10 12:21 / cp <br />Manganese ND mg/L 0.01 E200.8 06/15/10 05:48 / is <br />Molybdenum ND mg/L 0.005 E200.8 06/15/10 05:48 / is <br />Thallium ND mg/L 0.001 E200.8 06/15/10 05:48 / is <br />Uranium 0.0023 mg/L 0.0002 E200.8 06/15/10 05:48 / is <br />METALS - TOTAL <br />Aluminum 0.4 mg/L 0.2 E200.7 06/15/10 18:39 / cp <br />Antimony ND mg/L 0.001 E200.8 06/28/10 12:54 / is <br />Arsenic ND mg/L 0.1 E200.7 06/15/10 18:39 / cp <br />Copper ND mg/L 0.005 E200.7 06/15/10 18:391 cp <br />Iron 0.61 mg/L 0.03 E200.7 06/15/10 18:39 / cp <br />Lead ND mg/L 0.005 E200.8 06/17/10 00:23 / sml <br />Manganese 0.04 mg/L 0.01 E200.7 06/15/10 18:39 / cp <br />Mercury ND mg/L 0.0001 A3112 B 06/15/10 16:04 / jp <br />Silver ND mg/L 0.001 E200.8 06/17/10 00:23 / sml <br />Thallium ND mg/L 0.001 E200.8 06/17/10 00:23 / sml <br />Zinc 0.029 mg/L 0.005 E200.8 06/17/10 00:23 / sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.01 pCi/L U E903.0 06/22/10 14:44 / ep <br />Radium 226 precision (±) 0.11 pCi/L E903.0 06/22/10 14:44 / ep <br />Radium 226 MDC 0.19 pCi/L E903.0 06/22/10 14:44 / ep <br />Report RL - Analyte reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration D - RL increased due to sample matrix. <br />U - Not detected at minimum detectable concentration <br />Page 18 of 58