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Amok Aft. <br />`qw110 2nd Avenue Sot , #137, Pacheco, CA 94553-5560 <br />McCAUTBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax: 925-798-1622 <br />�://www.mcca=bell.com E-mail: main@mccampbell.com <br />Cambria Environmental Technology Client Project ID: Chevron- Date Sampled: 02/09/01 <br />Stockton Date Received: 02/09/01 <br />1144 65 Street, Suite C <br />Oakland, CA 94608 Client Contact: John Riggi Date Extracted: 02/09/01 <br />[Client P.O: Date Analyzed: 02/09/01 <br />Diesel Range (C10 -C23) Extractable Hydrocarbons as Diesel * <br />EPA methods modified 8015, and 3550 or 3510; California RWQCB (SF Bay Region) method GCFID(3550) or GCFID(3510) <br />Lab ID <br />Client ID <br />Matrix <br />TPH(d)+ <br />% Recovery <br />Surrogate <br />59830 <br />D-1-4 <br />S <br />ND <br />99 <br />59831 <br />D-2-4.5 <br />S <br />ND <br />86 <br />59832 <br />D-3-4 <br />S <br />1.3,g <br />97 <br />59833 <br />D-4-3.5 <br />S <br />1.2,b <br />87 <br />Reporting Limit unless otherwise <br />stated; ND means not detected above <br />the reporting limit <br />W <br />50 ug/L <br />S <br />1.0 mg/kg <br />* water and vapor samples are reported in ug/L, wipe samples in ug/wipe, soil and sludge samples in mg/kg, and all TCLP / STLC / SPLP <br />extracts in ug/L <br />" cluttered chromatogram resulting in coeluted surrogate and sample peaks, or; surrogate peak is on elevated baseline, or; surrogate has been <br />diminished by dilution of original extract. <br />'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br />interpretation: a) unmodified or weakly modified diesel is significant; b) diesel range compounds are significant; no recognizable pattern; c) <br />aged diesel? is significant); d) gasoline range compounds are significant; e) medium boiling point pattern that does not match diesel (?); f) <br />one to a few isolated peaks present; g) oil range compounds are significant; h) lighter than water immiscible sheen is present; i) liquid <br />sample that contains greater than —5 vol. % sediment. <br />DHS Certification No. 1644 Edward Hamilton, Lab Director <br />