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I <br /> 110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC 'Telephone 925-7984620 620 Fax 925-798-1622 <br />' ho//www mccampbell cam E-mail main@mccampbell cam <br />' Advanced GeoEnvironmental Client Project ID Curtiss Pontiac Date Sampled 07/17/2000 <br /> 4005 North Wilson Way Date Received 07/26/2000 <br />' Stockton, CA 95205 Client Contact Bill Little Date Extracted 07/26-0712712000 <br /> Client P O Date Analyzed 07/26-07127/2000 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br />' Recovery <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Edhylbzene n Xylenes */ <br /> --Surrogate <br /> 43710 X00-17- W ND --_ ND ND ND ND 101 <br />' 43711 MW5 -17- W ND --- ND ND ND ND 98 <br /> 00 1 <br /> 43712 MW00-17- W ND --- ND ND ND ND 101 <br /> 1 <br /> lie <br /> I <br /> I <br /> Reporting Limit unless W 50 ug/L 50 05 0 5 05 05 <br /> otherwise stated,ND <br />' means not detected above S 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> the reporting limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mglkg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> `The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> I interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasolme9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(9),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,i)liquid samplc that contains greater than—5 vol %sediment,j)no recognizable pattern <br /> DHS.Certification No 1644 Edward Harnilton,Lab Director <br /> 1 <br />