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1 <br /> 110 Second Avenue South,#D7,Pacheco,CA 94553 <br />' McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> . http//wwwmccamphell.co E-mail main@mccampbell conn <br />' Advanced GeoEnvironmental Client Protect ID Den's Auto Repair Date Sampled 06/23/97 <br />' 1803 West March Lane, Ste A Date Received 06/26/97 <br /> Stockton,CA 95207 Client Contact Bill Little Date Extracted 06127-06/30/97 <br />' Client P O Date Analyzed 06127-06/30/97 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl 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 Matnx TPH(g)* MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br />' 78012 B1-H20 W 2200,a 24 25 10 40 290 103 <br /> 78013 B2-H2O W 420d 11 2 7 1 7 1 8 21 93 <br />' 78014 B1-16' S 1500,b,d ND<0 15 065 3 5 27 590 100 <br /> 78015 B 1-20' S 6 2,a ND 045 0 034 030 084 100 <br />' 78016 BI-24' S 4 7,a ND 043 0 017 026 032 99 <br /> 78018 B1-35' S ND ND ND ND ND ND 98 <br /> lie 78019 BI-40' S 1 I ND ND 0 005 ND ND 100 <br /> 78020 B2-15' S ND ND ND ND ND ND 96 <br /> 78021 B2-20' S ND ND ND ND ND ND 96 <br />' 78022 B2-35' S ND ND ND ND ND ND 99 <br /> 78023 B3-20' S ND ND ND ND ND ND 99 <br /> 78024 B3-25' S ND ND ND ND ND ND 94 <br /> Reporting Lima unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit mg/kg S 1 0 m /k 005 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipc samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> Y cluttered chromatogram,sample peak coelutes with surrogate peak <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 gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> • gasoline9), c) lighter gasoline range compounds (the most mobile fraction) are significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline",e)TPH pattern that does not appear to be derived from gasoline(9),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel 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 patten <br /> DHS Certification No 1644 1,4-1 Edward Hamilton,Lab Director <br /> I <br />