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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 />' http//Wwwmccampbelico E-mail main@mccampbell com <br />' Advanced GeoEnvironmental Client Project ID Stockton Platmg <br /> Date Sampled 02/13/01 <br /> 837 Shaw Road Date Received 02/14/01 <br />' Stockton, CA 95215 Client Contact Bill Little Date Extracted 02114-02120101 <br /> Client P O Date Analyzed 02/14-02/20/01 <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 ID Matrix TPH(g)+ MTBE Benzene Toluene EthylXylenes %Recovery <br /> benzene Surrogate <br />' 60047 MW4/ W ND ND ND ND ND ND 106 <br /> 02-13-01 <br /> 60048 MW5/ W ND ND ND ND ND ND 106 <br />' 02-13-01 <br /> 60049 MW6/ W 5400,a ND 16 55 210 380 110 <br /> 02-13-01 <br /> 60050 MW- W ND ND<10 ND N <br /> 02-13-001 D ND 091 107 <br /> 60051 MW8/ W ND ND ND ND ND ND 107 <br /> 02-13-01 <br />' 60052 VW-1/ W 170,000,a ND<1000 25,000 37,000 3200 16,000 109 <br /> 02-13-01 <br /> 60053 VW-2/ W 170,a ND<20 14 3 4 ND 1 5 108 <br /> • a2-13-01 <br />' 60054 VW-3/ W 6900,a ND<200 790 53 510 200 110 <br /> 02-13-01 <br /> 60055 02VW-4 1 W ND 11 0 74 1 8 ND 1 5 105 <br /> 1 <br />' Reporting Limit unless W 50 ug/L 5 0 05 05 0 5 0 5 <br /> otherwise stated.ND <br /> means not detected above S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <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 coeiutes 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 /> 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 gasoline,,e)TPH pattern that does not appear to be derived from gasoline(11),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds arc significant,h)lighter than water immiscible <br /> sheen is present,i)liquid sample that contams greater than—5 vol %sediment,j)no recognizable pattern <br />' DHS Certification No 1644 Edward Hamilton,Lab Director <br />