2013-08-20_HYDROLOGY - M1977300 (5)

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www.e weab.com I Helena, MT 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888- 235 -0515 Gillette, WY 866 -686 -7175 a Rapid City, SD 886- 672 -1225 • College Station, TX 888- 690 -2218 QA /QC Summary Report Prepared by Casper, WY Branch Client: Cotter Corporation Report Date: 08/05/13 Project: Schwartz GW 6/28/13 S27040 Work Order: C13070012 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E365.1 Analytical Run: SUB- B207846 Sample ID: ICV Initial Calibration Verification Standard 07/09/13 15:51 Phosphorus, Total as P 0.244 mg /L 0.0050 98 90 110 Method: E365.1 Sample ID: MB -72616 Phosphorus, Total as P Sample ID: LCS -72616 Phosphorus, Total as P Sample ID: B13070030- 001CMS Phosphorus, Total as P Sample ID: 813070030- 001CMSD Phosphorus, Total as P SamplelD: B13070381- 001DMS Phosphorus, Total as P Sample ID: B13070381- 001DMSD Phosphorus, Total as P Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration ND - Not detected at the reporting limit. Page 16 of 21 Batch- B72616 Method Blank Run: SUB- B207846 07/09/13 17:08 ND mg /L 0.004 Laboratory Control Sample Run: SUB- B207846 07/09/13 17:09 0.187 mg /L 0.0050 94 90 110 Sample Matrix Spike Run: SUB - 8207846 07/09/13 17:21 11.2 mg /L 0.10 106 90 110 Sample Matrix Spike Duplicate Run: SUB - 8207846 07/09/13 17:22 11.0 mg /L 0.10 101 90 110 1.8 10 Sample Matrix Spike Run: SUB - 8207846 07/09/13 17:36 0.212 mg /L 0.0050 94 90 110 Sample Matrix Spike Duplicate Run: SUB- B207846 07/09/13 17:37 0.211 mg /L 0.0050 94 90 110 0.5 10 ND - Not detected at the reporting limit. Page 16 of 21