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I 10 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> http//wwwrnccampbe1]corn E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Cherokee Truck Stop Date Sampled 06/26/97 <br /> 1803 West March Lane, Ste A Date Received 06/27/97 <br /> Stockton, CA 95207 Client Contact Kevin McKibben Date Extiar-ted 06/27/97 <br /> Client P O Date Analyzed 06/27/97 <br /> Diesel Range(CIO-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 Client ID Matrix TPH(d)' %Recovery <br /> Surrogate <br /> 78087 MW-2 W 150,b,g 93 <br /> 78088 MW-3 W ND 101 <br /> 78089 MW-4 W ND 100 <br /> 78090 MW-5 W 140,d 100 <br /> Reporting Limit unless otherwise W 50 ug/L <br /> stated,ND means not detected abo%e <br /> the reporting limit S 1 0 mg/kg <br /> *v ater and vapor samples are reported in ug/L,ripe samples ni Lig/wipe,sod and sludge samples ni 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 cie%ated 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 McCanipbell 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 /> O aged diesel?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 significant h) lighter than water immiscible sheen is present, t) liquid <br /> sample that contains greater than—5 vol %sediment <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />