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CbCurtis &Tompkins,Ltd. <br /> LABORATORY NUMBER: 102940 DATE RECEIVED: 01 /29/91 <br /> ' CLIENT: ENVIRONMENTAL SCIENCE & ENGINEERING DATE REQUESTED: 02/ 06 /91 <br /> PROJECT ID: 6 - 90 - 5157 DATE ANALYZED: 02/ 11 / 91 <br /> JOB LOCATION: RYDER-STOCKTON DATE REPORTED: 02/ 12/91 <br /> Total Volatile Hydrocarbons with BTXE in Soils & Wastes <br /> TVH by California DOHS Method/LUFT Manual October 1989 <br /> BTXE by EPA 5030/ 8020 <br /> ' LAB ID SAMPLE ID TVH AS BENZENE TOLUENE ETHYL TOTAL <br /> ' GASOLINE BENZENE XYLENES <br /> (mg/Kg) (ug/Kg ) (ug/Kg) (ug/Kg) (ug/Kg) <br /> ' 102940 - 3 COMP B1 - 5 ' ND( 1 . 0) ND( 5 . 0) ND( 5 . 0 ) ND( 5 . 0) ND( 5 . 0) <br /> & B1 - 10 ' <br /> ND = Not detected at or above reporting limit ; Reporting limit <br /> indicated in parentheses . <br /> QA/QC SUMMARY <br /> RPD, % �1 <br /> RECOVERY, % 83 <br />