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Curtis &Tompkins Ltd <br /> LABORATORY NUMBER: 117519 DATE SAMPLED: 09/15/94 <br /> CLIENT: ENVIRONMENTAL SCIENCE & ENGINEERING DATE RECEIVED: 09/16/94 <br /> PROJECT ID: 6-92-5400 DATE EXTRACTED: 09/19/94 <br /> LOCATION: CECCHINI DATE ANALYZED: 09/21/94 <br /> DATE REPORTED: 10/10/94 <br /> Extractable Petroleum Hydrocarbons in Aqueous Solutions <br /> California DOHS Method <br /> LUFT Manual October 1989 <br /> LAB ID SAMPLE ID KEROSENE DIESEL REPORTING SURROGATE <br /> RANGE RANGE LIMIT RECOVERY <br /> (ug/L) (ug/L) (ug/L) (Hexacosane) <br /> --------------------------------------------------------------------------- <br /> 117519-001 UST-1 211000 500 D <br /> 117519-003 DUP * 13 , 000 50 121 <br /> METHOD BLANK N/A ND ND 50 118 $ <br /> Surrogate recovery limits: 60% - 150% <br /> ND = Not detected at or above the reporting limit. <br /> QA/QC-SUMMARY:-BS/BSD <br /> ________________________________ <br /> RPD, % 2 (Limit: <25 ) <br /> RECOVERY, $-==-------------------------------===8$__(Limits==75--_125) -=-=- <br />