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110 2nd Avenue South,##137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 14 http//wwwmccampbellco E-mail main@mccampbell corn <br />' Advanced GeoEnvironmental Client Project ID Chase Van Buren Date Sampled 12/18/00 <br /> 4005 North Wilson Way Date Received 12/19/00 <br /> Stockton,CA 95205 Client Contact Paul Dotson Date Extracted 12/19-12/20100 <br />' Chent P O Date Analyzed 12119-12120/00 <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 Et zeynbg <br /> en Xylenes 0/Burro Surrogate <br /> 56314 Inlet- Air ND --- ND ND ND 16 100 <br />' 12/18/00 <br /> I <br /> I <br /> I <br />' Reporting Limit unless Air 50 ug/L 50 03 05 0 5 05 <br /> otherwise stated,IIID <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 SPL.P extracts <br /> in ug/L <br />' e cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chtomatograrn 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 /> gasoline?), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> • chromatographic peaks are significant biologically altered gasohne9,e)TPH pattern that does not appear to be derived from gasoline(v),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,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />