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I <br /> I 10 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hap//www mccampbell cont E-mail main@mccampbell cam <br /> • <br />' Advanced GeoEnvironmental Client Project ID Curtiss Pontiac Date Sampled 10/17/00 <br /> 4005 North Wilson Way Date Received 10/19/00 <br />' Stockton, CA 95205 Client Contact Bnan Millman Date Extracted 10/20-10/23/00 <br /> Chent P O Date Analyzed 10/20-10/23/00 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether* &BTEX* <br /> FPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br />' Lab ID Client ID Matnx TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 50886 MW-l A/ W ND ND 31 43 088 47 102 <br /> 10-17-00 <br /> I 50887 MW-I B/ W 120,a ND 29 12 21 52 102 <br /> 10-17-00 <br /> 50888 MW-2A/ W 110,a ND 30 38 3 2 7 7 I03 <br /> 10-17-00 <br /> 50889 MW-2B/ W ND ND 12 ND ND 13 105 <br /> 10-17-00 <br /> 50890 MW-3/10-17-00 <br /> W-3/]0-17-00 W ND ND 093 4 9 0 78 29 104 <br /> 50891 MW-4/ W 3200,a ND<15 810 36 120 46 110 <br /> 10-17-00 <br />' 50892 MW-5/ W ND ND 17 ND ND 056 102 <br /> 10-17-00 <br /> 50893 MW-6/10-17-00 W ND ND 058 16 093 5 0 100 <br /> I50894 MW-7/10-17-00 W250,a ND 11 92 6 1 25 102 <br /> 50895 MW *3/ W 160,a ND 79 91 6 6 27 101 <br /> 10-17-00 <br /> I <br />' Reporting Limit unless W 50 ug/L 50 O S 05 0 5 05 <br /> otherwise stated ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> I0 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 /> gasoline9), 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),0 <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)ligwd sample that contains greater than�5 vol %sediment,l)no recognizable pattern <br /> DHS Certification No 1644 l Edward Hamilton,Lab Director <br /> I <br />