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- www.ener&b.can I Helena, MT 871 472 -0711 - Billings, W 800- 135 -4489 a Casper, WY 888- 235 -0515 <br />Ae *"EW0ft"vM 1668 J Gillette, WY 866- 886 -7175 - Rapid City, SD 886 -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: 12/05/13 <br />Project: Schwartz GW 11/15/13 S27276 Work Order: C13110695 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E903.0 Batch: RA226 -6975 <br />Sample ID: C13110695 -001 FMS Sample Matrix Spike Run: BERTHOLD 770- 2_131122A 12/02/13 08:19 <br />Radium 226 23 pCi /L 99 70 130 <br />Sample ID: C13110695 -001 FMSD Sample Matrix Spike Duplicate <br />Radium 226 22 pCi /L <br />Sample ID: MB -RA226 -6975 <br />Radium 226 <br />Radium 226 precision ( ±) <br />Radium 226 MDC <br />Sample ID: LCS- RA226 -6975 <br />Radium 226 <br />3 Method Blank <br />0.05 pCi /L <br />0.1 pCi /L <br />0.2 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Laboratory Control Sample <br />11 pCi /L <br />Run- BERTHOLD 770-2131122A 12/02/13 08:19 <br />94 70 130 4.8 21.3 <br />Run: BERTHOLD 770-2131122A 12/02/13 08:19 <br />U <br />Run: BERTHOLD 770-2131122A 12/02/13 10:02 <br />98 80 120 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 18 of 21 <br />