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I <br /> 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> IGeolo cal Audit Services Client Project ID Comfort Air Date Sampled 10/19/93 <br /> 1803 West March Lane, Ste A Date Received 10/20/93 <br /> Stockton,CA 95207 Client Contact Bob Marty Date Extracted 10/21/93 <br /> Chent P O Date Analyzed 10/21/93 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*, with BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RW CB SF Ba Re on method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylbcn- Xylencs % Rec <br /> zene Surrogate <br /> 32726 MW-4W 6800,a 1400 560 240 450 90 <br /> Detection Limit unless other- W 50 ug/L 05 05 05 05 <br /> wise stated,ND means Not <br /> Detected S 10 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 /> 0 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 /> responsible for their interpretation a unmodified or weakly modified gasohne is siccant b) heavier gasohne <br /> range compounds are significant(aged gasoline?),c)liter gasoline range compouri s(the most mobile fraction) <br /> are significant d) gasolme range compounds are significant,no recognizable pattern e) TPH pattern that does <br /> to <br /> not appear �e derived from gasoliiie {{7) one o a few isolated peaks present,gJ strongly aged gasoline or <br /> diesel range compounds are significant,fi)(igiter than water immiscible phase is present <br /> DHS Certification No 1644 /-,/ Edward Hamilton,Lab Director <br />