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McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> Tele 510-798-1620 Fax 510-798-1622 <br /> Advanced GeoEnvironmental Client Protect ID Geweke Date Sampled 05/18/95 <br /> 1803 West March Lane, Ste A Date Received 05/20/95 <br /> Stockton,CA 95207 Client Contact Bob Marty Date Extracted 05/21/95 <br /> Client P O Date Analyzed 05/21/95 <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 GCFIA(5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Et yynbeen eC <br /> Xylenes Surrogate <br /> 52688 MW-14/5-18-95 W 12,000,a 940 1800 210 1600 97 <br /> 52689 EW-1/5-18-95 W 530,c,b 12 17 29 11 100 <br /> Reporting Limit unless other- W 50 ug/L 05 05 05 05 <br /> wase stated,ND means not de- <br /> tected above the reporting limit S 10 mg/kg 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 in <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> + The following descri tions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their mierpretation a) unmodified or%Nvakly modified gasoline is significant,b) heavier gasoline <br /> range compounds are significant(aged gasoline?),c)lightergasoline range compounds(the most mobile faction) <br /> are significant, d) soline range compounds having broacfchromatofraphic peaks are significant,biologically <br /> altered gasoline?,eCTTPH pattern that does not appear to be derived from gasoline (?),f) one to a few isolated <br /> Peaks present,&)stronglyaged�asolme 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,3) no recognizable pattern <br /> DHS Certification No 1644 / Edward Hamilton,Lab Director <br />