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,, 09-24-1994 05:46PM FROM Campbell Rnalytical Inc TO • SSS P.O <br /> MCCAMPBELL ANALYTICAL INC. 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tole:510-798-1620 Fax;510.798.1622 <br /> Stockton Service Station Client Project 1D:443 Sycamore,Manteca Date Sampled:09/14/94 <br /> P.O.Box 508 Date Received:09/14/94 --� <br /> Stockton,CA 95201 Client Contact:Mike Flores Date Extracted:09/14/94 <br /> Client P.O: Date Analyzed:09/14-09/15/94 y <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030,modified 8015 and 8020 or 602•California RW CB(Sr 8aVPcp*Gn1 method GCPID5030 <br /> Lab ID Client ID Matrix TPH(g)+ Ethylben- %Rec. <br /> Benzene Toluene zone Xylenes Surrogate <br /> 40959 IE 6.5 S ND ND ND ND ND 100 <br /> 40960 1W 6.5 S ND,_ ND ND ND ND 100 <br /> 40961 2W 5,5 S 670,b ND< 0.2 0.96 2.0 25 84 <br /> 40962 2E 5.5 S 1900,b,d ND< 0.2 2.3 1.1 91 86 <br /> 40963 SP S ND ND ND ND ND 96 <br /> Detection Limit unless other- W 50 ug/L 0.5 OS 0,5 0.5 <br /> wise stated;ND means Not <br /> Detected S 1.0 mg/kg 0.005 0,005 0,005 0.005 <br /> *water samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram;sample peak co-elutes with surrogate peak <br /> + The following descriptions of the TPH chromatogram are cursorY in nature and McCampbell Analytical is not <br /> responsiible for Weer intterpretation:a))unmodified or weakly modified gasoline is s� cant;b)heavier�aspline <br /> range compounds are sigtdficant(agcd gasoline?);c)liotergasoline rang compounrs(the most mobile fraction) <br /> are significant,d)�asohne range compounds are siptuticant;no recognizable pattern e) TPH pattern thardoes <br /> not appear to�e derived from gasoline ft) f) one Io a few isolated poaks present;g) strongly aged gasoline or <br /> diesel range compounds are significant; )fig ter than water immiscible phase is present. <br /> DHS Certification No. 1644 /Edward Hamilton,Lab Director <br />