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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Faic 510-798-1622 <br /> Environmental Science&Eng Client Project ID #6925400,Cechmni Date Sampled 09/06/95 <br /> 4090 Nelson Ave ,Suite J Date Received 09/06/95 <br /> Concord,CA 94520 Client Contact Dave Blunt Date Extracted 09110-09/11/95 <br /> Client P O Date Analyzed 09/10-09111195 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTE:X* <br /> EPA methods 5030 modified 8015 and 8020 or 602 Cal►fornia RW CB SF Ba Re on method GCFID(5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec <br /> -� zene Surrogate <br /> 56074 UST-1 W ND ND ND ND ND 102 <br /> 56075 UST-2 W ND ND ND ND ND 103 <br /> 56076 UST-3 W ND ND ND ND ND 98 <br /> 56077 U ST-4 W ND ND ND ND ND 105 <br /> 56078 Dup W ND ND ND ND ND 103 <br /> 56079 Trip Blank W --- ND ND ND ND 102 <br /> Reporting Limit unless other- W 50 uglL 05 05 05 05 <br /> wise 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,sod samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram,sample peak coeiutes 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 significant,b) heavier�asohne <br /> range compounds are si;�icant(aged gasoline?),c)11 tergasolme range compounds(the most mobde fraction) <br /> are significant, d) soline range compounds having firoad chromatogaphic peaks are significant,biologtcally <br /> altered gasohne?,e�TPyH patteaged gran thaf does not appear to be derived from gasoline (?),f) one to a few isolated <br /> sheen its presenlq�i)liquid saample that con aor iesel ms greater thacompounds vl%sediment,�)nogrecognizaer than ble patiIte immiscible <br /> DHS Certification No 1644 1Il Edward Hamilton,Lab Director <br />