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I 10 Second Avenue South,#137, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> http//%„ww mcca_=bcll com E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Cherokee Truck Stop Date Sampled 11/24/97 <br /> 4005 North Wilson Way Date Received 11/25/97 <br /> Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 11/25/97 <br /> Client P O 1 Date Analyzed 11/25/97 <br /> Diesel Range(C10-C23)Extractable H,%drocai bons as Diesel. <br /> EPA methods modified 8015,and 3550 or 3510 California RWQCS(SF Bay Region)method Co(Fl 6(3550)or GCFID(3510) <br /> Lab iD Client ID Matrix TPH(d)' %Recovery <br /> Surrogate <br /> 83349 SP-15 S 4100,a,d 110 <br /> 53350 SP-16 S 110,a 107 <br /> Reporting Lieut unless otherwise W ill ug/L <br /> stated ND means not detected above <br /> the reporting limit S 1 0 mg/kg <br /> *later and vapor samples are reported in ug/L,wipe samples in ug/wipe soil ind sludge carriples in inglkg and all TCLP/STLC/SPLP <br /> extracts in ug/L <br /> ”cluttered chromatogram resulting in coeluted surrogate and sample peaks,or,sun opate peak is on elevated baseline,or,surrogate has been <br /> diminished by drluuon of original extract <br /> 'The following descriptions of the TPH chromatogram are cursory ❑i nature and htc(ampbell Analytical is not responsible for their <br /> interpretation a)unmodified or weakly modified diesel is significant,b)diesel r ange compounds are cigniticant,no recognizable pattern,c) <br /> aged dtese]9 is significant),d)gasoline range compounds are significant e) medium boiling point pattern that does not match diesel (9) f) <br /> one to a few isolated peaks present, g) oil range compounds are signiticant h) lighter than water immiscible sheen is present, 1) liquid <br /> sample that contains greater than--5 vol %sediment <br /> 1 DHS Certification No 1644 Edwaid Hamilton,Lab Director <br /> J <br />