Laserfiche WebLink
www.ewoab.com ( Helena, MT 877- 472 -0711 - Billings, MT 600- 735 -4489 - Casper, WY 688- 235 -8515 <br />a1 'r '�0Q1 'yet JI Gillette, WY 866 -686 -7175 -Rapid City, SD S88 -672 -1225 - college station, Tx 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Revised Date: 09/04/13 <br />Client: Cotter Corporation Report Date: 09/03/13 <br />Project: Schwartz -SW 8/6/13 S27020 Work Order: C13080303 <br />FAnalyte Count Result Units RL ° /J9EC Low Limit High Limit RPD RPDLimit Qual <br />Method: E903.0 Batch: RA226 -6789R <br />Sample ID: C13080285- 002FMS Sample Matrix Spike Run: BERTHOLD 770- 2_130812B 08/27/13 21:56 <br />Radium 226 24 pCi /L 105 70 130 <br />Sample ID: C13080285- 002FMSD <br />Sample Matrix Spike Duplicate <br />Run: BERTHOLD 770- 2_130812B <br />08/27/13 21:56 <br />Radium 226 <br />28 pCi /L <br />120 70 130 13 <br />21.6 <br />Sample ID: MB- RA226 -6789 <br />3 Method Blank <br />Run. BERTHOLD 770-2130812B <br />08/27/13 23:30 <br />Radium 226 <br />0.05 pCi /L <br />is considered to be <br />U <br />Radium 226 precision ( ±) <br />0.1 pCi /L <br />Sample ID: 013080303- 001GMSD <br />Radium 226 MDC <br />02 pCi /L <br />08/20/13 10:00 <br />Radium 226 <br />Sample ID: LCS- RA226 -6789 <br />Laboratory Control Sample <br />Run: BERTHOLD 770- 2_130812B <br />08/27/13 23:30 <br />Radium 226 <br />15 pCi /L <br />131 80 120 <br />S <br />- LCS response is outside of the acceptance range for this analysis. Since the MB, MS, and MSD are acceptable the batch is approved <br />Method: E903.0 <br />Batch: RA226 -6791 <br />Sample ID: C13080303 -001 GMS <br />Sample Matrix Spike <br />Run: BERTHOLD 770- 2_130814A <br />08/20/13 10:00 <br />Radium 226 <br />32 pCi /L <br />139 70 130 <br />S <br />- Spike response is outside of the acceptance range for this analysis. Since the LCS and <br />the RPD for the MS MSD pair are acceptable, the response <br />is considered to be <br />matrix related The batch is approved. <br />Sample ID: 013080303- 001GMSD <br />Sample Matrix Spike Duplicate <br />Run: BERTHOLD 770- 2_130814A <br />08/20/13 10:00 <br />Radium 226 <br />34 pCi /L <br />149 70 130 6.6 <br />23.1 S <br />- Spike response is outside of the acceptance <br />range for this analysis Since the LCS and <br />the RPD for the MS MSD pair are acceptable, the response <br />is considered to be <br />matrix related The batch is approved <br />Sample ID: MB -RA226 -6791 <br />3 Method Blank <br />Run: BERTHOLD 770-2130814A <br />08/20/13 11:58 <br />Radium 226 <br />-0.07 pCi /L <br />U <br />Radium 226 precision ( ±) <br />0.2 pCi /L <br />Radium 226 MDC <br />0.4 pCi /L <br />Sample ID: LCS - RA226 -6791 Laboratory Control Sample Run: BERTHOLD 770- 2_130814A 08/20/13 11:58 <br />Radium 226 13 pCi /L 118 80 120 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 22 of 26 <br />