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a <br />www.eroo8b.com Helena, MT 877472 -0711 - Billings, MT 800 - 735 -4489 - Casper, WY 888 - 235 -0515 <br />A0WW '=9= yJU j Gillette, WY 866 -686 -7175 - Rapid City, SO 888 -672 -1225 - College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Pre ared by Casper WY Branch <br />Sample ID: C13080223 -001 FMS <br />Radium 228 <br />Sample ID: C13080223 -001 FMSD <br />Radium 228 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Sample Matrix Spike <br />17.8 pCi /L <br />Sample Matrix Spike Duplicate <br />19.3 pCi /L <br />Run: TENNELEC- 3_130812D <br />108 70 130 <br />Run: TENNELEC- 3_130812D <br />117 70 130 7.8 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />08/20/13 15:26 <br />08/20/13 15:26 <br />34.5 <br />Page 23 of 26 <br />p <br />Revised Date: 09/04/13 <br />Client: Cotter Corporation <br />Report Date: <br />09/03/13 <br />Project: Schwartz -SW 8/6/13 <br />S27020 <br />Work Order: <br />013080303 <br />Analyte <br />Count Result <br />Units RL ° /.REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: RA -05 <br />Batch: RA228 -4486 <br />Sample ID: LCS- 228 -RA226 -6789 <br />Laboratory Control Sample <br />Run: TENNELEC- 3_130812D <br />08/20/13 15:26 <br />Radium 228 <br />7.6 <br />pCi /L 105 <br />80 120 <br />Sample ID: MB -RA226 -6789 <br />3 Method Blank <br />Run: TENNELEC -3 130812D <br />08/20/13 15:26 <br />Radium 228 <br />-0.5 <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: C13080223 -001 FMS <br />Radium 228 <br />Sample ID: C13080223 -001 FMSD <br />Radium 228 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Sample Matrix Spike <br />17.8 pCi /L <br />Sample Matrix Spike Duplicate <br />19.3 pCi /L <br />Run: TENNELEC- 3_130812D <br />108 70 130 <br />Run: TENNELEC- 3_130812D <br />117 70 130 7.8 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />08/20/13 15:26 <br />08/20/13 15:26 <br />34.5 <br />Page 23 of 26 <br />