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11-17-1994 11:48PM FROM Mc Campbell Analytical Inc TO <br /> i 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> =Mcc <br /> PBELL ANALYTICAL INC. Tele:510-798-1620 Fa)c 510-798-1622 <br /> FGeologicalMAudit Sen'ices Client Project ID:Stockton Fire Station 12:Date Sampled: 11/07/94 ^� <br /> West arch Lane,Ste.A Date Reccni:d: 11/08/94 <br /> kton,CA 95207 'Client Contact:Bob%lam'/Brian Goins Date Extracted: 11/08-11/17/94 <br /> Client P.O: Date Anah�zed: 11/08-11/17/94 <br /> Gasoline Range(C6-C12) volatile Hydrocarbons as Gasoline*.pith BTEX* <br /> iEP.4 methods 5030,modified 9015,and Roto or 602;California RW CB SF Bav Re 'on)metheC GCF1D 5036 <br /> i i Ethylben- %Rec. <br /> Lab ID Client ID Matrix : TPH(9) i Benzene Toluene zene Xylenes ! Surrogate <br /> 1 I <br /> S <br /> 42179 B S-1 <br /> �7D.b 0.00> 0.012 0 005 0.059 101 <br /> i <br /> 42180 EW S I A-D ND I ND ND _ i _ ND 101 <br /> 42181, SW S 1.4,b <br /> 1� U.OU7 N D -i 0.051 I 101 <br /> 42182 I NW S 6.6,b+ I ND 0.037 j U 0.15 0.48 ' 101 <br /> i 42183 WW I S N-D ?:D ND D I ND 99 <br /> 42184 SP-1-2 S 20,b 0.014 0.062 0.093 . 0.50 108 <br /> ! i i <br /> i <br /> i <br /> ! i <br /> Detection Limit unless other- W 50 ug'L i 0.5 1 0.5 I 0.5 1 0.5 I <br /> ec'ise stated;ND means Not <br /> Detected <br /> S ! 1.0 md1:g 0,005 0.005 0.005 0.(X)5 <br /> *water samples are reported in ug/L,soil samples iii ni&19,and all TCLP ex1racts in mg <br /> cluttered chromatogram;sample peak co-elutes with surrogate peak <br /> 1 <br /> + The following descriptions of the TPH chromatogram are cursory in nature and McCampbell AiW)1ical is not' <br /> responsible for their interpretation:a))unmodified or«'eakly modified gasoline is sigh ificant;b) heavier soline <br /> irange compounds are sigmficant(aged gasoline?);c)lihter gasoline range compounds(the most mobile fraction); <br /> are significant:d) soline range compounds are sian�cant;no rec:ognvable pattern;e) TPH pattern that docs; <br /> n9t appear to be deeffied from gasoline (?);f? one o a few isolated peaks prescni;=j strongly,aged gasoline or;: <br /> ,diesel range compounds are sigiificant; )Tighter than crater immiscible phase is present. <br /> DHS Certification No. 1644 ter° ' Edward Hamilton;Lab Director <br />