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. CERTIFICATE OF ANALYSIS i <br /> LAB I.D.: L1323-2 DATE RECEIVED: May 14, 1990 <br /> SAMPLE LOCATION: City of Tracy - 1 Nest Depth B' DATE EXTRACTED: May 18, 1990 <br /> 99 N. 6th St., Tracy DATE STARTED: May 18, 1990 <br /> COLLECTED BY: Don Light DATE COMPLETED: May 21, 1990 <br /> DATE COLLECTED: May 14, 1990 DATE REPORTED: May 23, 1990 <br /> CLIENT: SEMCO PURCHASE ORDER: None <br /> STREET: 431 N. Hatch Rd. OFN is L01323 <br /> CITY: Modesto COPY TO: San Joaquin County <br /> STATE: CA ZIP: 95351 <br /> ATTN: Bob <br /> TOTAL PETROLEUM HYDROCARBONS <br /> EPA Method 8020 <br /> Result Detection Limit <br /> Analyte (ug/kg) (ug/kg) <br /> — -- ------ --------------- <br /> Benzene ND 5 <br /> Toluene ND 5 <br /> Ethyl Benzene ND 5 <br /> Xylenes (Total) 16 5 <br /> Method 5030/SC-FID <br /> Gasoline NO 10000 <br /> Method 3550/GC-FID <br /> Result Detection Limit <br /> (Ag/kg) (mg/kg) <br /> Diesel 42 31 10 <br /> Kerosene NO 10 <br /> Oil (as motor oil) ND 100 <br /> ND = Not Detected <br /> APPROVED: <br /> 'r Laboratory Director <br /> File: 8020.TPH <br />