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�- www.energylab.com �°C1 r�r f Helena, MT 877- 472 -0711 - Billings, W 800 -735 -4489 - Casper, WY 888- 235 -0515 <br />Gillette, WY 866 -666 -7175 - Rapid City, SD 888- 672 -1225 - College Station, TX 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/13/13 <br />Project: Schwartz GW 1/24/13 S26788 Work Order: 013010781 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 <br />Initial Calibration Verification Standard <br />0.0501 mg /L 0.0010 <br />100 <br />Analytical Run: ICPMS2- C_130201A <br />02/01/13 12:59 <br />90 110 <br />Method: E200.8 <br />Batch: 36423 <br />Sample ID: C13010750- 002AMSD <br />9 Sample Matrix <br />Spike Duplicate <br />Run: ICPMS2- C_130131A <br />02/01/13 20:36 <br />01/31/13 18:42 <br />Chromium <br />0.515 <br />mg /L <br />0.0050 <br />101 <br />70 <br />130 <br />4.3 <br />20 <br />Copper <br />0.496 <br />mg /L <br />0.0050 <br />98 <br />70 <br />130 <br />3.2 <br />20 <br />Lead <br />0.519 <br />mg /L <br />0.0010 <br />103 <br />70 <br />130 <br />4.2 <br />20 <br />Manganese <br />2.55 <br />mg /L <br />0.0010 <br />102 <br />70 <br />130 <br />4.4 <br />20 <br />Silver <br />0.0532 <br />mg /L <br />0.0010 <br />106 <br />70 <br />130 <br />3.5 <br />20 <br />Thallium <br />0.518 <br />mg /L <br />0.00050 <br />103 <br />70 <br />130 <br />31 <br />20 <br />Zinc <br />0.542 <br />mg /L <br />0.019 <br />100 <br />70 <br />130 <br />3.4 <br />20 <br />Method: E200.8 <br />Sample ID: ICV <br />Arsenic <br />Initial Calibration Verification Standard <br />0.0501 mg /L 0.0010 <br />100 <br />Analytical Run: ICPMS2- C_130201A <br />02/01/13 12:59 <br />90 110 <br />Method: E200.8 <br />Batch: 36423 <br />Sample ID: MB -36423 <br />Method Blank <br />Run: ICPMS2- C_130201A <br />02/01/13 20:36 <br />Arsenic <br />ND mg /L <br />0.0002 <br />Sample ID: LCS3 -36423 <br />Laboratory Control Sample <br />Run: ICPMS2- C_130201A <br />02/01/13 20:39 <br />Arsenic <br />0.508 mg /L <br />0.0010 <br />102 <br />85 115 <br />Sample ID: C13010775- 001BMS3 <br />Sample Matrix Spike <br />Run: ICPMS2- C_130201A <br />02/01/13 20:48 <br />Arsenic <br />0.511 mg /L <br />0.0010 <br />102 <br />70 130 <br />Sample ID: C13010775- 001BMSD <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130201A <br />02/01/13 20:51 <br />Arsenic <br />0.514 mg /L <br />0.0010 <br />102 <br />70 130 0.6 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 15 of 24 <br />