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SEP 19 RECD <br /> Curtis & Tompkins, Ltd., Analytical Laboratories, Since 1878 <br /> 2323 Fifth Street, Berkeley, CA 94710, Phone (415) 486-0900 <br /> LABORATORY NUMBER: 15540 DATE RECEIVED: 08/31/88 <br /> CLIENT: LAWRENCE & ASSOCIATES DATE ANALYZED: 09/06/88 <br /> JOB # : C88 . 08 . 01 DATE REPORTED: 09/14/88 <br /> PAGE 1 OF 5 <br /> Total Petroleum Hydrocarbons in Soils & Wastes <br /> EPA 8015 (Modified) <br /> Extraction Method: EPA 3550 <br /> LAB ID CLIENT ID GASOLINE KEROSINE DIESEL <br /> (mg/Kg) (mg/Kg) (mg/Kg) <br /> ---------------------------------------------------------------------- <br /> 15540-1 UGST-2 ND( 10 ) ND( 10 ) ND( 10 ) <br /> 15540-2 UGST-1 ND( 10 ) ND( 10 ) ND( 10) <br /> ND = Not Detected; Limit of detection in parentheses . <br /> QA/QC SUMMARY <br /> ---------------------------------------------------------------------- <br /> Duplicate: Relative % Difference 5 <br /> Spike: % Recovery 100 <br /> 9A <br /> LABORATORY D/RECTOR <br /> 0 <br /> Berkeley Wilmington Los Angeles <br />