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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 /> • <br /> Advanced GeoEnvitonmental Client Project ID Chase Chevrolet-Van Date Sampled 07/17-07/20195 <br /> 1803 West March Lane,Ste A Buren <br /> Date Received 07/21/95 <br /> Stockton,CA 95207 Client Contact Kevin McKibben Date Extracted 07/23-07/24/95 <br /> Client P O Date Analyzed 07/23-07/24/95 <br /> Gasoline Range(C6-Ci2) Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030 modified 8015 and 8020or 602 California RW CB SF l3avRe on method GCFIA(5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec <br /> zene Surrogate <br /> 54559 GP 19/7-17-95 W ND,a,i ND 058 ND 14 103 <br /> 54560 GP20/7-17-95 W ND a,i ND 062 ND 12 103 <br /> 54561 GP21/7-18-95 W ND,a 16 095 ND 11 103 <br /> 54562 GP25/7-19-95 W 540,a 77 50 - 12 50 108 <br /> 54563 GP26/7-19-95 W 2900,b,c 560 34 - 350 590 109 <br /> 54564 GP27/7-19-95 W ND,a ND 091 ND 11 102 <br /> 54565 GP28/7-19-95 W 4000,b,c 74 21 280 1300 100 <br /> • 54566 GP29/7-19-95 W ND,a ND 081 ND 081 103 <br /> 54567 GP30/7-19-95 W ND,a,i ND 080 ND 060 106 <br /> 54568 GP31/7-20-95 W ND,b ND ND ND 069 105 <br /> 54569 GP32/7-20-95 W ND i ND ND ND ND 102 <br /> 54570 GP34/7-20-95 W ND,b ND ND ND 063 104 <br /> I <br /> Reporting Limit unless other- W 50 ug/L 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,soil samples in mg/kg,and all TCLP ev7xacts in mg/L <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> + The following descriptions of the TPH chromatogram are cursory in nature and McCanipbell Analytical is not <br /> responsible for their interpretation a) unmodified or weakly modified gasoline is significant,b) hcawergasoline <br /> range compounds are significant(aged gasohne?),c)lihtergasoline range compounds(the most mobile fraction) <br /> are significant, d) p soline range compounds havingliroad chromatographic peaks are significant, biologically <br /> altered gasoline?,a TPyH pattern that does not appear to be dern,ed from gasoline (?),f) one to a few isolated <br /> sheen its presenq)t)liquid sa p1e that contains greatecompounds <br /> than— 5-nl r%significant, <br /> sediment j))no/recognizable pterimmiscible <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />