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1 <br /> 110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hit p//www mccampbell Som E-mail team@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID #E0143,Chase-Van Date Sampled 05/08/98 <br /> 4005 North Wilson Way Buren Date Received 05/12/98 <br /> Stockton, CA 95205 Client Contact Kevin Mckibben Date Extracted 05116-05/18198 <br />' Client P O Date Analyzed 05/16-05/18/98 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 002,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matnx TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 89069 MW-3 W 180,OOO,a ND<200 17,000 51,000 3900 25,000 101 <br />' 89070 MW-6 W 2600,a ND 150 1 1 250 290 96 <br /> 89071 MW-7 W 1500,a ND 59 10 92 190 96 <br /> 89072 MW-9 W 42,OOO,a ND<93 730 4300 2800 10,000 102 <br /> 89073 MW-10 W ND ND ND ND ND ND 104 <br /> 89074 MW-14 W ND ND ND ND ND ND 104 <br /> • 89075 MW-15 W ND ND ND ND 1 ND ND 103 <br /> 89076 MW-16 W ND ND ND ND ND ND 105 <br /> 89077 MW-17 W ND ND ND ND ND ND 93 <br /> IReporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit m S 1 0 /k 005 0 005 0 005 0 005 0 005 <br /> mg/kg <br /> *water and vapor samples are reported in ug/L,wipe samples in ug4%ipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> Iin uglL <br /> P cluttered chromatogram,sample peak coelutes with surrogate peak <br /> I '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 gasohnO 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 iange compounds are significant, h)lighter than water immiscible <br /> sheen is present i)liquid sample that contains greater than—5,kol %sediment j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />