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1 <br /> I 10 Sceond AN enue South,i#D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br />' 24 htt /hvww meca bell E-mail mam@mccampbell coin <br /> Advanced GeoEnvironmental Client Project 1D Stockton Plating i Date Sampled 12/12/97 <br /> 4005 North Wilson Way <br /> Date Received 12/16/97 <br />' Stockton, CA 95205 Client Contact Bill Little 1 Date Extiacted 12/16-12/17/97 <br /> Client P O Date Analyzed 12/16-12/17/97 <br />' Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*, ith 1\Zeth-,I tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602 California R1�QC B(S'BiN R<«ion)method U FID(5030) <br />' Lab 1D Client 1D Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 12/12/997 <br /> 84178 MW/ W 780 - 1�D 0 66 ND 1 2 97 <br />' 84179 MWS- W 240,c,a --- 2 ] 11 i 3 1 8 101 <br /> 12/12/97 <br /> 84180 VW 1 12/12/97 W 140,000,a --- 24 0011 31 000 3300 16,000 93 <br />' <br /> 84181 VW2- W 2401c --- <br /> 053 1)�4 ND ND 99 <br /> 12/12/97 <br /> 84182 VW3- W' 38,000,a --- 7100 1800 2800 3400 93 12/12/97 <br /> 84183 VW4 --- <br /> W 2400,a 240 12 640 13 96 <br /> 12/12/97 <br /> 54184 Drum W 200,a --- 47 62 3 5 23 104 <br /> Sample <br /> 1 <br /> Reporting Limit unless W 50 ug/L 50 0 5 05 0 5 05 <br /> otherwise stated ND <br /> means not detected above <br /> the repaving limit S 1 0 mglkg 005 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ugh%ipe soil and sludge samples in mg/k- and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogium sample peak coelutes w7th surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and ML(ampbell Analytical is not responsible for their <br />' interpretation a) unmodified or weakly modified gasoline is significant b) heaNier gasoline range compounds are significant(aged <br /> gasoline"), c) lighter gasoline range compounds (the most mobile traction) are significant d) gasoline range compounds having broad <br /> chromatographic peals are significant,biologically altered gasoline' e) 1 PH paitti n that docs not appear to be derived from gasoline(9) f) <br /> one to a few isolated peaks present g)strongly aged gasoline or diesel range compounds aie significant li)lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol '% scdmient j)no reWgnizahle pattem <br /> DHS Certification No 1644 /4// Edward Hamilton,Lab Director <br />