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- - -- - ? - - -• -?3' ?.am ` -- - Ira ? s77.4?t-0111 • ellun?, wr eoaTSS-use • ca:?r, wr eea2ss-oats <br />?.btt ltar rssra• r? GIRaIb,1R OH MO-7175 • Rapid City, So Blli-672-121.f' • CdW Slatbn, 0 8i1-6111-221! <br />QA/QC Summary Report <br />Client: Colter Corporation Report Date: 08/26/10 <br />Project: Schwartzwalder Water Monitoring Program Work Order: 010071062 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />i <br />Method: E903.0 Batch: RA2264696 <br />Sample ID: C10070983-001CMS Sample Matrix Spike Run: BERTHOLD 770-1 _100802A 0811011011:31 <br />Radium 226 19.9 pCi/L 119 70 130 <br />Sample 10: C10070983.001CMSO Sample Matrix Spike Duplicate Run: BERTHOLD 770-1100802A 08/1011011:31 <br />Radium 226 17.8 pCi/L 106 70 130 11 23.6 <br />Sample 10: MB-RA226.4696 3 Method Blank Run: BERTHOLD 770-1100802A 0811011013:02 <br />Radium 226 -0.09 pCi/L U <br />Radium 226 precision (t) 0.07 pCVL <br />Radium 226 MDC 0.2 pCi1L <br />Sample ID: LCS-RA226-4696 Laboratory Control Sample Run: BERTHOLD 770-1100802A 08/10/1013:02 <br />Radium 226 9.4 pCI/L 120 70 130 <br />Method: E903.0 <br />Sample ID: C10070928-001GMS <br />Radium 226 <br />Sample ID: C10070928-001GMSD <br />Radium 226 <br />Sample ID: MB-RA226-4699 <br />Radium 226 <br />Radium 226 precision (t) <br />Radium 226 MDC <br />Sample ID: LCS-RA2264699 <br />Radium 226 <br />Sample Matrix Spike <br />16.5 pCIIL <br />Sample Matrix Spike Duplicate <br />14.5 pCi/L <br />3 Method Blank <br />-0.1 pCi/L <br />0.07 pCUL <br />0.2 pCi/L <br />Laboratory Control Sample <br />6.3 pCi/L <br />Balch: RA226-4699 <br />Run: BERTHOLD 770-2100802A 08109/1010:42 <br />105 70 130 <br />Run: BERTHOLD 770-2100802A 08109/1010:42 <br />93 70 130 12 24.1 <br />Run: BERTHOLD 770-21 008MA 0810911 0 13:47 <br />U <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Run: BERTHOLD 770-2_100802A 0810911013:47 <br />107 70 130 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum delectable concentration <br />Page 23 of 29