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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 24 http//www mccampbell coin E-mail main@mccarnpbell corn <br /> Advanced GeoEnvironmental Client Project ID Yamada Brothers <br /> Date Sampled 04/11/00 <br /> 4005 North Wilson Way Date Received 04/11/00 <br /> Stockton, CA 95205 Client Contact Tony Mihacich Date Extracted 04/11/00 <br /> LChent P O Date Analyzed 04/11-04/14/00 <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 Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 34960 DW-1/04-11-00 W ND 95 <br /> 34961 MWI/04-11-00 W ND 94 <br /> 34962 MW2/04-11-00 W ND 97 <br /> 34963 MW3/04-11-00 W ND 101 <br /> Reporting Limit unless otherwise W 50 ug/L <br /> stated,ND means not detected above <br /> the reporting limit S 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 recognisable pattern,c) <br /> aged diesels 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 />