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FORI www.anergylab.com Helena, MT 077472 -0711 • Billings, MT 800 -735 -4489 a Casper, WY 888- 235 -0515 <br />�a■rynrat oc.s�ac' yass J Gillette, WY 866 -686 -7175 • Rapid City, SO 880- 672 -1225 • College Station, TX 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />08/15/13 <br />Project: Schwartz - GW 07/17/13 S27048 <br />Work Order: <br />013070703 <br />Analyte <br />Count Result <br />Units <br />RL %REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: RA -05 <br />Batch: RA228 -4471 <br />Sample ID: LCS- 228 -RA226 -6755 <br />Laboratory Control Sample <br />Run: TENNELEC- 3_130722C <br />08/01/13 09:13 <br />Radium 228 <br />9.1 <br />pCdL <br />97 80 120 <br />Sample ID: MB -RA226 -6755 <br />3 Method Blank <br />Run: TENNELEC- 3_130722C <br />08/01/13 09:13 <br />Radium 228 <br />2 <br />pCi /L <br />U <br />Radium 228 precision ( ±) <br />1 <br />pCi /L <br />Radium 228 MDC <br />2 <br />pCi /L <br />Sample ID: C13070705- 003AMS <br />Radium 228 <br />Sample ID: C13070705- 003AMSD <br />Radium 228 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Sample Matrix Spike <br />17 pCi /L <br />Sample Matrix Spike Duplicate <br />19 pCi /L <br />Run: TENNELEC- 3_130722C <br />90 70 130 <br />Run: TENNELEC- 3_130722C <br />102 70 130 10 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />08/01/13 09:13 <br />08/01/13 09:13 <br />35.8 <br />Page 9 of 12 <br />