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www.energylab.com Helena, MT 677472 -0711 - Billings, Mf BOO- 735 -4489 - Casper, WY 888- 235 -0515 <br />An"iml EPa4i"N SA4Q't!> Gillette, WY 866 -686 -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: <br />Cotter Corporation <br />Report Date: <br />09/26/14 <br />Project: <br />Schwartz -SW 9/3/14 S27625 and S27660 <br />Work Order: <br />C14090147 <br />Analyte <br />Count Result Units RL %REC Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: <br />A4500 -F C <br />Analytical Run: MANTECH_140904A <br />Lab ID: <br />CCV -7863 Continuing Calibration Verification Standard <br />Sample Matrix Spike <br />09/04/14 14:02 <br />Fluoride <br />2.00 mg /L 0.10 100 90 <br />110 <br />C14090135- 006AMSD <br />Method: <br />A4500 -F C <br />Lab ID: <br />MBLK <br />Method Blank <br />Fluoride <br />MANTECH <br />ND mg /L <br />Lab ID: <br />LCS -8011 <br />Laboratory Control Sample <br />Fluoride <br />2.00 mg /L <br />Lab ID: <br />014090135- 006AMS <br />Sample Matrix Spike <br />Fluoride <br />09/04/14 12:03 <br />2.43 mg /L <br />Lab ID: <br />C14090135- 006AMSD <br />Sample Matrix Spike Duplicate <br />Fluoride <br />2.48 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 9 of 29 <br />Batch: R190686 <br />Run: <br />MANTECH <br />140904A <br />09/04/14 12:00 <br />0.01 <br />Run: <br />MANTECH_140904A <br />09/04/14 12:03 <br />0.10 <br />100 <br />90 <br />110 <br />Run: <br />MANTECH_140904A <br />09/04/14 14:11 <br />0.10 <br />95 <br />80 <br />120 <br />Run: <br />MANTECH_140904A <br />09/04/14 14:14 <br />0.10 <br />98 <br />80 <br />120 2.0 <br />10 <br />ND - Not detected at the reporting limit. <br />Page 9 of 29 <br />