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1 <br /> cbCurtis &Tompkins Ltd <br />' LABORATORY NUMBER. 105856 DATE RECEIVED- 11 / 21 / 91 <br /> CLIENT- ENVIRONMENTAL SCIENCE & ENGINEERING DATE ANALYZED. 12102 - 03 /91 <br />' PROJECT ID. 6 - 90 - 5030 DATE REPORTED 12 / 10 / 91 <br /> LOCATION AT&T LOD I � <br /> i <br /> 1 <br /> Benzene , Toluene , Ethyl Benzene , Xylenes by EPA 8020 <br />' Extraction by EPA 5030 Purge and Trap <br />' LAB ID CLIENT ID BENZENE TOLUENE ETHYL TOTAL REPORTING <br /> BENZENE XYLENES LIMIT * <br /> -) -I- <br />' - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - « - - - -- - - - -- <br />' 105856 - 1 MW1 ND ND ND ND 0 . 5 <br /> 105856 - 2 MW2 ND ND ND ND 0 . 5 <br /> 105856 - 3 DUP ND ND ND ND 0 . 5 <br /> 105856- 4 M14V3 ND 0 9 ND 1 . 5 0 . 5 <br /> 105856 - 5 TRIP BLANK ND ND ND ND 0-. 5 <br /> 105856 METHOD BLANK ND ND ND ND 0 . 5 <br /> 1 <br /> 1 <br />' ND = Not detected at or above reporting limit <br /> * Reporting Limit applies to all analytes . <br />' QA/QC SUMMARY % SURROGATE RECOVERY <br /> 1 0 5 8 5 6 - 1 102 <br /> 105856 - 2 104 <br /> 105856 - 3 107 <br />' 105856 - 4 104 <br /> 105856 - 5 107 <br /> THUD BLANK 104 <br /> 1 <br />