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r <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hnp//www mceaml2bell cg m E-mail main@mccampbell com <br /> rAdvanced GeoEnvironmental Client Protect ID Cherokee Truck Stop Date Sampled 12/27/99 <br /> 4005 North Wilson Way Date Received 12/28/99 <br /> rStockton, CA 95205 Client Contact Kevin McKibben Date Extracted 12/28-12/30/99 <br /> rClient P O Date Analyzed 12/28-12/30/99 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*, ii ith Meth}1 tert-Butyl Ether* & BTEX* <br /> EPA methods 5030,modified 8015,and$020 or 602,California RWQCB(SF Bay Region)method GCF1D(5030) <br /> r Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> -zene Surrogate <br /> 28282 UST-2/12-27-99 W ND ND ND 066 ND 1 0 100 <br /> r28283 UST-3/12-27-99 W ND ND ND ND ND ND 102 <br /> r 28284 UST-4/12-27-99 W ND ND ND ND ND ND 106 <br /> 28285 UST-5/12-27-99 W 570,cd ND 56 22 ND ND 113 <br /> r28286 UST-6/12-27-99 W ND \D ND ND ND ND 101 <br /> r <br /> r <br /> r <br /> r <br /> Reporting Limit unless w 50 ug/L 5 p 05 0 5 O S 0 5 <br /> other,Arse stated ND means not <br /> r detected above the reporting S 1 0 0 OS 0005 0005 0 0(15 0005 <br /> limit mg/kg <br /> * 'aler and vapor samples are reported in ug/L %Sipe samples m ug/wlpe,soil and sludge samples in mg/l g and all TCLP and SPLP c\tiacts <br /> r in ug/L <br /> r cluttered chr(imatogram,sample peak coelutes with surrogate peak <br /> r 'The follwAing descriptions of the TP14 chromatogram are cursory in nature and McCampbell Anahtical is not responsible for the,r <br /> interpretation a) unmodified or .}eakly modified gasoline is significant b) heavier gasoline range compounds are signifcani(aged <br /> gasoline°) c) lighter gasoline range compounds (the most mobile fraction) are significant d) gasoline range compounds ha\ing broad <br /> chromatographic peaks are significant biologically altered gasoline" e)TPH pattern that does not appear lobe derived fi oni gasoline(1), f) <br /> one to a few isolated peaks present g) strongly aged gasoline or diesel range compounds are significant h) lighter than \Nater immiscible <br /> sheen is present i)liquid sample that contains greater than—5%of %sediment j)no recognizable pattern <br /> DHS Certification No 1644 �Ed\\ard Hamilton, Lab Director <br /> r <br />