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Hdau, lilt 6774724711.81111ro , In 8011-131141461 • c.sW, WM Ull-MIS-0615 <br />- A?Aesfi>dssser Seer ta»: GlIte b, WY !1111-iA8-7170 • Rapid ck sit A6N72-1225 - GOsRs Siam. TX Ul l-NO-2118 <br />QA/QC Summary Report <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Monitoring Program <br />Report Date: 08/26110 <br />Work Order: C10071062 <br />Analyle Count Result Units RL %REC Low Limit High Limit RPD RPDLImll Oust <br />Method: E900.0 Batch: GrAB-0947 <br />Semple ID: MB-GrAB-0947 6 Method Blank Run: G542M_100817A 08/20!1012:22 <br />Gross Alpha .2 pCi/L U <br />Gross Alpha precision (t) 0.7 pCVL <br />Gross Alpha MDC 0.9 pCi/L <br />Gross Beta -2 pCi/L U <br />Gross Beta precision (t) 1 pCi/L <br />Gross Beta MDC 1 pall. <br />Sample ID: 'rh230-GrAS-0947 Laboratory Control Sample Run: G542M_ 1008 1 7A 08/20110 12:22 <br />Gross Alpha 96 pCVL 96 70 130 <br />Sample 10: Csi37-GrAB-0947 Laboratory Control Sample Run: G542M_100817A 08/2011012:22 <br />Gross Beta 87 pCi/L 100 70 130 <br />Sample ID: C10071062-001 EMS Sample Matrix Spike Run: G542M_100817A 08120/10 12:22 <br />Gross Alpha 93.3 pCl/L 94 70 130 <br />Semple ID: C10071052-001 EMSD Sample Matrix Spike DupNcale Run: G542M_100817A 08/20110 12:22 <br />Gross Alpha 92.4 pCI1L 93 70 130 0.9 18.2 <br />Sample ID: 010071062.001 EMS Sample Matrix Spike Rim: G542M_1 008 1 7A 08/20110 12:23 <br />Gross Beta 87.5 pGlfL 97 70 130 <br />Sample ID: C10071062-001 EMSD Sample Matrix Spike Duplicate Run: G542M_100817A 0812011012:23 <br />Gross Beta 95.3 pCi/L 105 70 130 8.6 15.8 <br />Sample ID: C10080283-007ADUP 6 Sample Duplicate Run: G542M_100817A 08121110 02:21 <br />Gross Alpha 29.6 pCl/L 8.6 35.4 <br />Gross Alpha precision (t) 3.66 pCi1L <br />Gross Alpha MDC 3.82 pCi/L <br />Gross Beta 19.3 pCn 2.2 32.8 <br />Gross Beta precision (±} 2.21 pG/L <br />Gross Beta MDC 3.17 pCi/L <br />Qualifiers: <br />RL - Anatyte 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 22 of 29