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Curtis &Tompkins, Ltd. <br /> LABORATORY NUMBER: 118695 DATE SAMPLED: 11/22/94 <br /> CLIENT: DELTA ENVIRONMENTAL CONSULTANTS DATE RECEIVED: 11/23/94 <br /> PROJECT SD:, 7-3330 DATE ANALYZED: 12/03/94 <br /> LOCATION• STOCKTON DATE REPORTED: 12/08/94 <br /> Total Volatile Hydrocarbons with BTXE in Aqueous Solutions <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 /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> ----------------------------------------------------------------------- <br /> 118695-1 MW-6 ND (50) ND(O.5) ND(0.5) ND(0. 5) ND(0.5) <br /> 118695-2 MW-5 ND (50) ND(0- 5) ND(0 . 5) ND (0.5) ND(0. 5) <br /> 118695-3 MW-4 ND (50) ND(0.5) ND(0. 5) ND (0.5) ND(0. 5) <br /> 118695-4 MW-3 ND (50) ND(0.5) ND(0. 5) ND(0.5) ND(0.5) <br /> METHOD BLANK ND (50) ND(0. 5) ND(0.5) ND (0.5) ND(0.5) <br /> ND = Not detected at or above reporting limit; Reporting limit <br /> indicated in parentheses. <br /> QA/QC SUMMARY <br /> RPD,_$�__.T_... --__ _---_-__— -__- ------- 89 <br /> RECOVERY, <br />