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f <br /> 110 2nd Avenue South,4D7,Pacheco,CA 94553-5560 <br /> 4 McCAMPBELL ANALYTICAL INC Telephone 925-798-lo20 Fax 925-798-1622 <br /> htto//www mccamnbeil cam E-mail mam@mccampbell cam <br />' Advanced GeoEnvirtnimental Client Project ID Curtiss Pontiac Date Sampled 01/23/02 <br /> 837 Shaw Road Date Received 01/25/02 <br />' Stockton, CA 95215 Client Contact Brian Millman Date Extracted 01/28-0113002 <br /> Client P O Date Analyzed 01128-01/30/02 <br />' Gasoline Range (C6-C12)Volatile Hydrocarbons as Gasohne*,with Methyl tent-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 1D Matrix TPH(g)+ MTBE Benzene Toluene bene Xylenes o,SurrogatRecovery <br /> 88957 MW3A/012 W ND ND ND ND ND ND 99 <br /> 02' <br /> M <br /> 88958 W10W 8 83 59 -- <br /> B/0123 3400,a ND�100 920 5 <br /> 88959 MIA1302Q12 W ND ND ND ND ND ND 98 <br />' 88960 MW 0 10123 W ND ND NN <br /> D D ND I ND 95 <br /> 88961 MW3�i230 W ND ND ND ND ND I ND 96 <br />' 88962 MW4/01230 W 1400,a ND 420 83 57 21 _2 <br /> 2 <br />' . 88963 MW5/01230 W ND ND ND ND ND ND 104 <br /> 88964 MW6�1230 W ND ND ND ND ND ND 99 <br /> 88965 MW7z 1230 W ND ND ND ND NIND D 102 <br /> 88966 DW2450/01 W ND ND ND ND ND ND 99 <br /> 2302 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 05 <br /> otherwise stated,ND <br />' means not detected above S <br /> the reporting limit 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 />' x cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chrorrfatograrn 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 segmlicant,biologically altered gasoline",e)TPH pattern that does not appear to be derived from gasoline(9), t) <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,i)no recognizable pattem <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />