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1 <br /> cbCurtis &Tompkins Ltd <br /> LABORATORY NUMBER: 110988 DATE SAMPLED: 5/20/93 <br /> CLIENT: ENVIRONMENTAL SCIENCE & ENGINEERING DATE RECEIVED: 5/21/93 <br /> PROJECT ID: 6-92--5009 DATE EXTRACTED:5/24/93 <br /> LOCATION: AT&T - LODI DATE ANALYZED: 5/25/93 <br /> DATE REPORTED: 5/28/93 <br /> Extractable Petroleum Hydrocarbons in Soils & Wastes <br /> ' California DOHS Method <br /> LUFT Manual October 1989 <br /> LAB ID CLIENT SAMPLE ID KEROSENE DIESEL REPORTING SURROGATE <br /> RANGE RANGE LIMIT RECOVERY <br /> ' (mg/Kg) (mg/Kg) (mg/Kg) (Hexacosane) <br /> --- <br /> 110988-007 MW-4 @ 35' ND ND 1 111 <br /> ' 110988-008 MW-4 @ 40f ND ND ] 111 $ <br /> 110988-012 SB-A @ 20f ND ND 1 117 $ <br /> 110988-013 SB-A @ 2511 ND Nb 1 115 $ <br /> ' METHOD BLANK N/A ND ND 1 103 <br /> ' ND = Not detected at or above the reporting limit. <br /> ' Surrogate recovery limits: 75% - 125% <br /> ' QA/QC SUMMARY: LABORATORY CHECK SAMPLE <br /> RECOVERY,% 88 <br />