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it <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele.510-798-1620 Fax:510-798-1622 <br /> i <br /> Advanced GeoEnvironmental Client Project ID:Shinn Property Sampling Date Sampled:04/12/96 <br /> 1803 West March Lane,Ste.A i! Date Received:04/13/96 <br /> Stockton,CA 95207 Client Contact:Bill Little Date Extracted:04/15/96 <br /> j Client P.O: Date Analyzed:04/15-04/16/96; <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as,Gasoline*,with BTEX* <br /> EPA methods 5030 modified 80I5.and 8020 or 602;California RW CB SF Ba Re ion metliod GCFID 5030 <br /> + I' Ethylben- % Rec. <br /> Lab ID Client ID Matrix TPH(g) Benzene Toluene Xylenes <br /> X <br /> it ,i zene y Surrogate <br /> 63261 Tank# 1-2 S --- 0.64 0 5.9 5.1 34 100 <br /> i <br /> .t <br /> 63262 Tank#2-1 S 32,000,b,d ND< 0.5 N!D< 0.5 ND< 0.5 2400 103 <br /> If <br /> i <br /> I <br /> ' I <br /> i; <br /> E <br /> I� <br /> i <br /> Reporting Limit unless other- W 50 ug/L 0.5 j0.5 0.5 0.5 <br /> wise stated;ND means not de- . r <br /> tected above the reporting limit S 1.0 mg/kg 0.005 0.005 ;; 0.005 0.005 <br /> •water and vapor samples are reported in ug/L,soil samples in rn g,!and ali TCLP extracts in mg/L <br /> #cluttered chromatogram;sample peak coelutes with surrogate peaks <br /> + The following descri tions 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 significant;b)heaviergasoline <br /> range compounds are siggnntficant(aged gasoline?);c)]i ter asoline range compounds(the most mobile fraction) <br /> are significant;d) asorine range compounds having]if ter aphicjpeaks are significant;biologically <br /> altered gasoline?;eTPH pattern that does not appear to be derived gom gasoline(?);f)one to a few isolated <br /> peaks present;g)strongInged 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 pattern. <br /> DHS Certification No. 1644 14Edward Hamilton,Lab Director <br />