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t <br /> •' COLUMBIA ANALYTICAL SERVICES, INC <br /> QA/QC Report <br /> iClient AW-0 PrOL11101,C.cnnp,mv ServiLc Request 59700570 <br /> Prolce.t 2177;_229O()1/]0#1913000/2130SI0(-KTON Date Collected NA <br /> Sample Matj n Stu Date RCLelved NA <br /> Date Extracted NA <br /> Date Analyzer!: NA <br /> Surrogate Recovery Summary <br /> BTEX MTBE and TPH as Gasoline <br /> Prep Method NONE Units PERCENT <br /> Analysis Method ti020 (.A/W1-T Basis NA <br /> Test Percent Recovery <br /> Sample Name Lab Code Notes 4-Bromofluorobenzene .I,a,a-Tnfluomtoluene <br /> MW-1 (73) 59700570-001 98 85 <br /> MW-2(72) 59700570-002 97 72 <br /> MW-3 (72) 59700570-003 98 78 <br /> MW4(73) S9700570-004 100 79 <br /> MW-5 (75) 59700570-005 97 75 <br /> MW-6(72) 59700570-006 87 97 <br /> MW-7(7 1) S97i)0570-007 98 l o l <br /> MW-10(70) 59700570-008 96 108 <br /> BATCH QC 59700390-002MS 98 109 <br /> BATCH QC 59700590-002DMS 96 109 <br /> Method Blanl, 5970405-WB l 97 85 <br /> Method Blank 5970407-WB2 92 96 <br /> CAS Acceptance Limits 69-116 69-116 <br /> WRYO0197p <br /> a,0057oXL1' I'M i ii Page 14 <br /> Page No <br />