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MI www.energylab.com ! Helena, MT 877- 472 -0711 • Billings, W 600 -735 -4489 a Casper, WY 888- 235 -0515 <br />- AadydralFircaAGaasrbc. tsst Gillette, WY 866 -688 -7175 • Rapid City, So 866 -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: 12/10/13 <br />Project: Schwartz SW 11/6/13 S27253 S27255 S27256 Work Order: C13110305 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: A4500 -F C Analytical Run: MANTECH_131111A <br />Sample ID: CCV -7644 Continuing Calibration Verification Standard 11/11/13 09:39 <br />Fluoride 1.04 mg /L 0.10 104 90 110 <br />Method: <br />A4500 -F C <br />Sample ID: <br />MBLK <br />Method Blank <br />Run: MANTECH_131111A <br />Fluoride <br />0.01 mg /L <br />0.005 <br />Sample ID: <br />LCS -7572 <br />Laboratory Control Sample <br />Run: MANTECH_131111 A <br />Fluoride <br />2.00 mg /L <br />0.10 <br />100 90 110 <br />Sample ID: <br />C13110292- 001AMS <br />Sample Matrix Spike <br />Run: MANTECH_131111A <br />Fluoride <br />2.12 mg /L <br />0.10 <br />97 80 120 <br />Sample ID: <br />C13110292- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: MANTECH_131111A <br />Fluoride <br />2.12 mg /L <br />0.10 <br />97 80 120 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: R180600 <br />11/11/13 09:33 <br />11/11/13 09:36 <br />11/11/13 09:44 <br />11/11/13 09:47 <br />0.0 10 <br />Page 10 of 30 <br />