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110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> ' McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> Advanced GeoEnvironmental Client Project ID Chase Chevrolet- Date Sampled 11/17-11/20/95 <br /> 1803 West March Lane,Ste A Madison <br /> Date Received 11/22!95 <br /> Stockton,CA 95207 Client Contact Kevin McKibben Date Extracted 11/22-11/24/95 <br /> Client P O Date Analyzed 11/22-11/24/95 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,Kith BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RW CB SF BayRe ion method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)} Benzene Toluene Ethylben- Xylenes % Rec <br /> zene Surrogate <br /> 58874 MW-18/ 11-20-95 W ND ND ND ND ND 100 <br /> 58875 MW18-25 S ND ND ND ND ND 107 <br /> i <br /> s <br /> 1 <br /> Reporting Limit unless other- W tOmglAk<g <br /> 05 05 05 05 <br /> wise stated,ND means not de- <br /> tected above the reporting limit S 0 005 0 005 0 005 0 005 <br /> ' water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram, sample peak coelutes with surrogate peak <br /> + The followmg descri( tions of the TPH chromatogram are cursor in nature and McCampbell Analytical is not <br /> m eresponsible for their rpretation a unmodified or weakly modified significant,ed gasoline is si ificant,b)heavier asoline <br /> g <br /> range compounds are szgnificant(aged gasolme�},c}lighter gasoline range compounds(the most mobile fraction} <br /> are sigtiifieant, d) gasolme range compounds having broad chramato�raphic peaks are significant, biologically <br /> ' altered gasoline, e) TPH pattern that does not appear to be derived from gasoline{�},f) one to a few isolated peakspresent,g}stronglyaged gasoline or dieselrange compounds are significant,h)lighter thanwater immiscible <br /> sheen zs present, 1)ligmd sample that contains greater than 5 vol % sedunent,�) no recognizable pattern <br /> ' DHS Certification No 1644 ��� Edward Hamilton,Lab Director <br /> 1 <br />