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1 <br />' McCAMPBELL ANALYTICAL INC T110 2nd Avenue South, #D7,Pachc '`"A 94553 <br /> Tele 510-798-1620 Fax 510-7�--1622 <br /> i <br /> Advanced GeoEnvironmental Client Project ID Geweke !Date Sampled 03/18/96 <br /> 1803 West March Lane,Ste A Date Received 03/20/96 <br />' Stockton,CA 95207 <br /> Client Contact Kevin McKibben !Date Extracted 03120-03/21/96 <br /> 1 <br />' Client P O (Date Analyzed 03120-03121196 <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 Say Re ion)method GCF1D 5030 <br />' Lab ID Client ID Matrix TPH(g)+ Benzene Toluene ;Ethylben- Xylenes % Rec <br /> zene Surrogate <br /> 62526 MW-6/3-18-96 W ND N D7 ND ND ND 101 <br />' 62527 MW-7/3-18-96 W 53 d ND ND ND ND 106 <br />' 62528 MW-8/3-18-96 W 600,b d 2 5 062 19 32 104 <br /> 62529 MW-9/3-18-96 W 330 b d 19 ND 15 18 102 <br />' 62530 MW-1013-18-96 W ND ND ND ; ND ND 97 <br /> i <br /> 62531 MW-1113-18-96 W ND ND ND ND j ND 99 <br /> 62532 MW-12/3-18-96 W ND ND ND ND ND 102 <br /> 62533 MW-1313-18-96 W ND ND ND ND ND 96 <br />' 62534 MW-1413-18-96 W 1200 a 45 51 7 9 170 102 <br /> 62535 E W-1 /3-18-96 W ND ND ND ND ND 103 <br /> 3 <br />' Reporting Limit unless other- W 50 ug/L 0 5 0 5 0 5 0 5 <br /> wise stated,ND means not de- <br /> tected above the repoi ting limit S 1 0 mg/kg 0 005 0 005 0 005 0 005 <br />' * water and vapoi samples are i eported in ug/L, soil samples in mg/kg and all TCLP extracts in mg/L <br />' 4 cluttered chiomatogram,sample peak coelutes with suriogate peak <br /> + The following descriptions of the TPH chromatograin are cursory in nature and McCampbell Analytical is not <br /> responsible fon their interpretation a) unmodified or weakly modified gasoline is significant b) heavierasoline <br /> n ange compounds are si ificant(aged gasoline?),c)lighter gasoline range compounds(the most mobile fraction) <br /> are significant, d) gaso ine i ange compounds having roa chromgraatophic peaks are significant, biologically <br /> altered gasolme9, e`) TPH pattern that does not appear to be derived from gasoline (?), f)one to a few isolated <br /> peaks present,g)strongly aged gasoline or diesel range compounds are significant h)lighter than water immiscible <br /> sheen is present, t) liquid sample that contains greatei than 5 vol % sediment j) no recognizable pattern <br /> DHS Ceitification No 1644 Edwaid Hamilton,Lab Duector <br /> I <br /> 1 <br />