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i <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> F7CC7PBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> Geological Audit Services Client Protect ID Ron Conway Date Sampled 07/21/93 <br /> 1803 West March Lane,Ste A Date Received 07/22/93 <br /> IStockton,CA 95207 Client Contact Bob Marty Date EAracted 07/22/93 <br /> Client P O Date Analyzed 07/22/93 <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 Region)method GCFID 5030 <br />' Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylbeen- Xylenes Surrogate% eCzen <br /> 31410 SP-1 S 330,g ND< 0 25 ND< 0 25 ND< 0 25 081 98 <br />' 31411 SP-2 S 2 7,g ND ND ND ND 103 <br /> 31412 SP-3 S 3 O,g,d ND 0 006 ND 0 008 103 <br />' 31413 SP-4 S 7 6,d,g ND 0 007 ND ND 97 <br /> 31414 SP-5 S ND ND ND ND ND 102 <br />' 31415 SP-6 S 12,g ND ND ND ND 98 <br /> I <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 m mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram,sample peak co-clutes 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 gasoline is siccant,b) heavier sohne <br /> range compounds are significant(aged gasoline?),c)h ter gasoline range compounds(the most mobile fraction) <br /> are significant d) ggaasoline range compounds are sif1i'1'icanf,no recognikable pattern e) TPH pattern that does <br /> not appear to be denved from gasoline {{�) one io a few isolated peaks present,gj strongly aged gasoline or <br /> diesel range compounds are significant,li) fiAter than water immiscible phase is present <br /> DHS Certification No 1644 �5� Edward Hamilton,Lab Director <br />