Laserfiche WebLink
\ A llkn www.erwvab.com ff Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 -235 -0515 <br />A=raar.Slow 1132 J Gillette, WY 866 -666 -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: Cotter Corporation <br />Report Date: <br />08/20/13 <br />Project: Schwartz GW 7/23/13 S27081 <br />Work Order: <br />C13070939 <br />F Analyte <br />Count Result Units <br />RL ° /.REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: RA -05 <br />Batch: RA228 -4476 <br />Sample ID: LCS- 228 -RA226 -6774 <br />Laboratory Control Sample <br />Run: TENNELEC- 3_130730B <br />08/07/13 15:23 <br />Radium 228 <br />7.2 pCi /L <br />94 <br />80 120 <br />Sample ID: MB -RA226 -6774 <br />3 Method Blank <br />Run: TENNELEC- 3_130730B <br />08/07/13 15:23 <br />Radium 228 <br />-0.05 pCi /L <br />U <br />Radium 228 precision ( ±) <br />1 pCi /L <br />Radium 228 MDC <br />2 pCi /L <br />Sample ID: C13070993- 003AMS <br />Sample Matrix Spike <br />Run: TENNELEC- 3_130730B <br />08/07/13 15:23 <br />Radium 228 <br />18 pCi /L <br />110 <br />70 130 <br />Sample ID: C13070993- 003AMSD <br />Sample Matrix Spike Duplicate <br />Run: TENNELEC-3_130730B <br />08/07/13 15:23 <br />Radium 228 <br />18 pCi /L <br />106 <br />70 130 3.4 <br />38.8 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 9 of 12 <br />