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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 /> '��v I httn I/www mccampbell com E-mail main@mccampbell corn. <br />' Advanced GeoEnvironmental Client Project ID Stockton Plating Date Sampled 06/16/2000 <br /> 4005 North Wilson Way Date Received 06/20/2000 <br />' Stockton, CA 95205 Client Contact Bill Little Date Extracted 06120-0612412000 <br /> Client P O Date Analyzed 06120-0612412000 <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 />' <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Eth en en- Xylenes %Recovery ze Surrogate <br /> 40792 MW-4/6- W ND --- ND ND ND ND 102 <br /> 16-00 <br />' 40793 MW-5/6- W ND --- ND ND ND ND 102 <br /> 16-00 <br /> 40794 MW-616- W 8700,a --- 60 180 400 890 103 <br /> 16-00 <br />' 40795 MW-7/6 W ND --- ND ND ND ND 100 <br /> 16-00 <br /> 40796 MW-8/6 W ND --- ND ND ND ND 107 <br />' 16-00 <br /> 40797 VW-1/6- W 140,000,a 22,000 30,000 3000 14,000 102 <br /> 16-00 <br /> 40798 VW-2/6 W ND --- ND 070 ND ND 102 <br /> W --- <br /> -00 <br /> 40799 VW-3/6- W 3900,a 730 11 380 46 108 <br /> 16-00 <br />' 40800 VW-4/6 W 60,a --- 069 068 ND ND 100 <br /> 16-00 <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 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 coelutes with surrogate peak <br /> `The following descriptions of the TAH chromatogram are cursory in nature and McCampbeil 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 /> gasoline9), 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 /> ' DHS Certification No 1644 Edward Hamilton,Lab Director <br />