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COLUMBIA ANALYTICAL SERVICES,INC <br />' QA/QC Report <br /> Client Slaes Environmental Service Request S2001904 <br />' Protect U-HAUL#709-50/002-70950-02 Date Collected NA <br /> LCS Matrix Water Date Received NA <br /> Date Extracted- NA <br /> Date Analyzed 718/00 <br /> Laboratory Control Sample Summary <br /> BTEX and TPH as Gasoline <br /> Sample Name Lab Control Sample Units ug/L(ppb) <br /> Lab Code 5200708-LCS GC 06 Basis NA <br /> Test Notes <br /> r CAS <br /> Percent <br /> I Recovery <br /> Prep Analysis True Percent Acceptance Result <br /> Analyte Method Method Value ResuIt Recovery Limits Notes <br /> Benzene EPA 5030 8021B 25 266 106 75-135 <br /> Toluene EPA 5030 8021E 25 276 110 73-136 <br /> Ethylbenzene EPA 5030 8021B 25 248 99 69-142 <br /> Gasoline EPA 5030 CA/LUFT 500 512 102 75-135 <br /> E • <br /> E <br /> E <br /> E <br /> E <br /> l <br /> E <br /> i <br /> • Approved By Date /13 40 <br /> iLCS/020597p <br /> i <br /> Page 35 <br />