2011-05-11_HYDROLOGY - M1977300 (5)

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vnrw.d>ergylab.com 7 472=0711 • Billings, hR 800.735-4419 a Casper WY 888-235-0515 Ae;frnaSku tl5t , b75 , Rapld C ty, SD $68-672-1225,• cot[ege Station, TX 888-690-2218 LABORATORY ANALYTICAL REPORT Prepared by Cas per, WY Branch Client: Cotter Corporation Report Date: 04/11/11 Project: Schwartz-SW 3/10/2011 S25686-S25688 Collection Date: 03/10/11 09:40 Lab ID: C11030378-003 DateReceived: 03/11/11 Client Sample ID: SW LLHG (S25688) Matrix: Aqueous MCL/ Analyses Result Units Qualifiers RL QCL Method Analysis Date / By MAJOR IONS Alkalinity, Total as CaC03 85 mg/L 1 A2320 B 03/14/11 18:39 /jba Bicarbonate as HC03 104 mg/L 1 A2320 B 03/14/11 18:39 / jba Calcium 49.2 mg/L D 0.4 E200.7 03/15/11 16:09 / rdw Chloride 39 mg/L 3 E300.0 03/16/11 02:55 / Ijl Fluoride 0.3 mg/L 0.1 A4500-F C 03/17/11 09:59 / jba Magnesium 17.5 mg/L 0.1 E200.7 03/15/11 16:09 / rdw Nitrogen, Nitrate+Nitrite as N ND mg/L 0.1 E353.2 03/18/11 12:07 / eli-b Phosphate, Total 0.03 mg/L 0.01 Calculation 03/21/11 13:39 / bal Phosphorus, Total as P ND mg/L 0.01 E365.1 03/18/11 15:12 / eli-b Potassium 2.5 mg/L 0.1 E200.7 03/15/11 16:09 / rdw Sodium 24.1 mg/L D 0.6 E200.7 03/15/11 16:09 / rdw Sulfate 93 mg/L 5 E300.0 03/16/11 02:55 / Ijl NON-METALS Cyanide, Weak Acid Dissociable ND mg/L 0.002 D2036 03/16/11 11:31 / eli-b PHYSICAL PROPERTIES Solids, Total Dissolved TDS @ 180 C 342 mg/L 10 A2540 C 03/15/11 08:59 / Imc Solids, Total Suspended TSS @ 105 C ND mg/L 4 A2540 D 03/14/11 15:05 / Imc METALS - DISSOLVED Aluminum ND mg/L 0.2 E200.7 03/15/11 16:09 / rdw Antimony ND mg/L 0.001 E200.8 03/23/11 18:20 / sml Copper ND mg/L 0.001 E200.8 03/31/11 02:13 / sml Iron ND mg/L 0.03 E200.7 03/15/11 16:09 / rdw Manganese ND mg/L 0.005 E200.7 03/15/11 16:09 / rdw Molybdenum 0.012 mg/L 0.005 E200.8 03/29/11 22:36 / sml Silver ND mg/L 0.00005 E200.8 03/23/11 18:20 / sml Thallium ND mg/L 0.0002 E200.8 03/23/11 18:20 / sml Uranium 0.251 mg/L 0.0002 E200.8 03/23/11 18:20 / smI Zinc 0.031 mg/L 0.005 E200.7 03/15/11 16:09 / rdw METALS - TOTAL Aluminum ND mg/L 0.2 E200.7 03/25/11 11:36 / cp Antimony ND mg/L 0.001 E200.8 03/29/11 00:45 / sml Arsenic ND mg/L 0.001 E200.8 03/29/11 00:45 / sml Boron ND mg/L 0.1 E200.7 03/25/11 11:36 / cp Chromium ND mg/L 0.001 E200.8 03/29/11 00:45 / sml Copper 0.001 mg/L 0.001 E200.8 03/29/11 00:45 / sml Iron 0.04 mg/L 0.03 E200.7 03/25/11 11:36 / cp Lead ND mg/L 0.005 E200.8 03/24/11 03:36 / smi Manganese 0.008 mg/L 0.005 E200.7 03/25/11 11:36 / cp 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. Page 5 of 29