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I 10 Second Avenue South,#D7,Pacheco,CA 94553 <br /> MCCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> httg//www mceampbell com E-mail mam c@i mecampbell eom <br /> Advanced GeoEnvironmental Client Project ID Stockton Plating Date Sampled 09/08/97 <br /> 1803 West March Lane, Ste A Date Received 09/09/97 <br />' Stockton, CA 95207 Client Contact Bill Little Date Extracted 09/09-09/10197 <br /> Client P O Date Analyzed 09109-09110197 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*, with Alethyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethyl] en- Xylenes 0 Recovery <br /> zone Surrogate <br /> 80576 MW-3 W 110,c,a 14�' 1 1 082 067 096 100 <br />' 80577 MW-4 W ND ND 0 78 3 2 ND 3 8 96 <br /> 80578 MW-5 W 300,c,a 16!' 9 1 092 2 4 2 3 102 <br /> 80579 VW-1 W 190,000,a,h 920 29,000 38,000 3500 18,000 101 <br /> 80580 VW-2 W 280,c,a 14v 1 0 2 0 ND 2 1 106 <br /> 80581 VW-3 W 39,000,a 500=�' 8300 1600 2700 3700 104 <br /> 80582 VW-4 W 29001a 68 280 18 680 12 101 <br /> I <br />' @ MTBE values not conliriried by EPA 8260 <br />' Re ortin Limit unless <br /> P o W 50ug/L 50 05 05 OS OS <br /> otherwise stated ND <br />' means not detected above <br /> the reporting limitS 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> " water and vapor samples are reported in ug/L,«ipe samples in ugh%ipe,soil and sludge samples m ingAg,and all TCLP and SPLP extracts <br /> in ugiL ~ <br />' a cluttered chromatogram,sample peak coeluies with surrogate peak <br /> `The following descriptions of the TPH chromatogram are cursory in nalwe and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) hlaNier gasoline range compounds are significant(aged <br /> gasolme7), c) lighter gasoline range compounds (the most mobile fraction) ale significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline" e)TPH pattern that does not appear to be denved from gasoline(9),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds me significant,h)lighter than water immiscible <br /> Isheen is present,i)liquid sample that contains greater than--5'of %sedimen(j) o recognizable pattern <br /> DHS Certification No 1644 rrnr Edward Hamilton,Lab Director <br /> I <br />