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' 110 2nd Avenue South ##D7 Pacheco CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' 24 http//www mecampbell com E-mail mwn@mccampbell com <br />' Advanced GeoEnvironmental Client Project ID Chase ChevroletlVan Date Sampled 11/28/00 <br /> 4005 North Wilson Way Buren Date Received 11/29/00 <br />' Stockton,CA 95205 Client Contact Paul Dotson Date Extracted 11/29-12101100 <br /> Ghent P O Date Analyzed 11/29-12/01/00 <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 />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 54612 11 28-00 W 1 t0,000,a,h ND<300 3300 16,000 1100 26,000 101 <br /> 54613 MW6/ W 1400,a ND 21 1 6 79 86 101 <br /> 11-28-00 <br /> 54614 MW7/ W 780,a ND 4 5 062 44 54 101 <br />' 11-28-00 <br /> 54615 MW9/ W I9,000,a ND<30 13 10 1200 2900 106 <br /> 11-28-00 <br />' <br /> 54616 MW10/ W ND ND ND ND ND ND 103 11-28-00 <br /> 54617 MW 141 W ND ND ND ND ND ND 101 <br /> 11-28-00 <br /> lie <br /> 546 t 8 MW 15/ W ND ND ND ND ND ND 104 <br /> 11-28-00 <br /> 54619 MW16/ W ND ND ND ND ND ND 95 <br /> 11-28-00 <br />' 54620 MW I7/ W ND ND ND ND ND ND 107 <br /> 11-28-00 <br /> t <br /> 1 <br />' Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 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 />' "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 /> interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are significant(aged <br />' gasolme'?), 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 sample that contains greater than—5 vol %sediment,))no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />