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COLUMBIA ANALYTICAL SERVICES,INC <br /> QA/QC Report <br /> Client AMERCO Real Estate Company Service Request 1,2003110 <br /> Project U-Haul/#709-50/002-70950-02 Date Collected. NA <br /> Sample Matrix Water Date Received: NA <br /> I Date Extracted- NA <br /> Date Analyzed 10/3/00 <br /> Matrix Spike/Duplicate Matrix Spike Summary <br /> MTBE, BTEX and TPH as Gasoline <br /> Sample Name Batch QC Units ug/l,(ppb) <br /> Lab Code 1,2003134-00IMS, L2003134-OOIDMS Basis NA <br /> Test Notes <br /> Percent Recovery <br /> CAS Relative <br /> Prep Analysis Spike Level Sample Spike Result Acceptance: Percent Result <br /> Analyte Method Method MRL MS DMS Result MS DMS MS DMS Limits Difference Notes <br /> Benzene EPA 5030 8021B 05 127 127 ND 181 172 143 135 39-150 5 <br /> Toluene EPA 5030 8021B 05 140 140 ND 133 131 95 94 46448 2 <br /> Ethylbenzene EPA 5030 8021B 05 35 2 35 2 ND 33 1 314 94 89 32-160 5 <br /> TPH as Gasoline EPA 5030 8015M 50 2000 2000 ND 1880 1850 94 92 70-140 2 <br /> 0 <br /> E <br /> I <br />! <br /> 1 <br /> 1 <br /> • <br /> 1 <br /> Approved By I Date 1 v <br /> 1 03110VOHP DMS 10119/00 Page No <br />