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' 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> 4McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccampbell com E-marl main@mccampbell cote <br /> • <br />' Advanced GeoEnvironn"tental Client Project ID Charhes Day&bight Date Sampled 05/10/02 <br /> 837 Shaw Road Date Received 05/14/02 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 05/16-05/21/02 <br /> Client P O Date Analyzed 05/16-05/21/02 <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 /> ILab ID Client ID Matrix TPH(g)- MTBE Benzene Toluene bene Xylenes o gu Recovery <br /> 0205185- MW 1 / W ND ND ND ND ND ND " <br /> gate <br /> 001 051002 -" <br /> 0205185- MW2/ W 230,b ND ND ND 53 3 5 -- <br /> 002 051002 <br /> 0205185- MW3/ W 210,a ND 4 0 ND 43 18 105 <br /> 003 051002 <br /> 0205185- MW4/ W ND ND ND ND ND ND 102 <br /> 004 051002 <br /> 0205185- MW5/ W ND ND ND ND ND ND <br /> 005 051002 - <br /> Reporting Limit unless W 50 ug/L 5 0 05 0 5 05 05 <br /> otherwise stated,ND means <br /> not detected above the <br /> reporting lirrut S 10 mg&g 0 05 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug4.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 peals 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 /> 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(?),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,l)liquid sample that contains greater than—5 vol %sediment,j)no recognizable pattern <br /> I DHS Certification No 1644 <br /> Edward Hamilton,Lab Director <br /> I <br />