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110 Second Avenue South #ED7 Pacheco CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798.1620 Fax 925-798-1622 <br /> J4 htto.Nwww mccaml b� e11 ) E-mail matn@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Grantlme Gas&Food Date Sampled 12/17/98 <br /> 4005 North Wilson Way Date Received 12/22/98 <br />' Stockton,CA 95205 Client Contact Bill Little Date Extracted 12/23/98 <br /> Client P O Date Analyzed 12/25/98 <br />' Diesel Range(C10-C23)Extractable Hydrocarbons as Diesel* <br /> EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCF1D(3550)or GCFID(3510) <br />' Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 00755 MW-1112-17-98 W 83,b 104 <br />' 00756 MW-2112-17-98 W ND 102 <br /> 00757 MW-3/12-17-98 W ND 101 <br />' 00758 MW-4112-17-98 W 290,OOO,a,h 107 <br /> 00759 MW-5/12-17-98 W I1,OOO,a,h 104 <br /> 00760 MW-6/12-17-98 W ND 104 <br /> 1 <br /> 1 <br /> 1 <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 1 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 descnptrons of the TPH chromatogram are cursory in nature and IvlcCampbell Analyncal is notresponsible 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 (1),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 /> 1 <br />