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110 Second Avenue South,#D7 Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> A! ht l/www mccampbell coin E-mail main@mccampbell corn <br /> i <br /> 1 Advanced GeoEnvironmental Client Project ID Chapin Brothers Date Sampled 02/18/98 <br /> 4005 North Wilson Way Date Received 02/19/98 <br /> ' Stockton, CA 95205 Client Contact Bill Little Date Extracted 02119-02120198 <br /> Client P O Date Analyzed 02119-02120198 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,iiith MOM tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> ' Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> zene Surrogate <br /> 85919 PreCat Air 1800,1 ND ND 7 2 6 5 56 104 <br /> 85920 V£1 Air 230,) ND ND ND ND 41 100 <br /> 85921 VW7 Air ND ND N'D 068 ND 0 72 97 <br /> 10 <br /> Reporting Limn unless Air 50 ug/L 5 0 05 0 0 5 0 5 <br /> otherwise stated ND <br /> means not detected abov e <br /> the reporting limit S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> *vv ater and vapor samples are reported to ug/1-wipe samples in ug/iv ipe soil and sludge samplrs in mg/kg and all TCLP and SPLP extracts <br /> in ug/L <br /> ' a cluttered chromatogram,sample peak coelutes wrath surrogate peak <br /> 'The following descnptions of the TPU chromatogram are cursory in nature and K,(amphLll Analytical is not responsible for their <br /> ' interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are significant(aged <br /> gasobne'i) c) lighter gasoline range compounds (the most mobile fraction) ate -ignifitani (1) gavohne range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline' e)TPIA panus that diva not appear to be denved from gasoline(9),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or dusel range compounds are significant h)lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol % sediment j)no recognizable pattern <br /> DHS Certification No 1644 /4 Edward Hamilton,Lab Director <br />