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' 4 ` <br /> f <br /> I 10 2nd Avenue South,#D7, Pacheco,CA 94553-5560 , <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h htW//www mccampbell com E-mail main@mccampbell coin- <br /> , <br /> Advanced GeoEnvironmental Client Project 1D Cherokee Truck Stop Date Sampled 06108-06110199 <br /> 4005 North Wilson Way _ Date Received 06/15/99 ° <br /> I , <br /> Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 06/15/99 <br /> IClient P O Date Analyzed 06115-06122/99 <br /> Gasoline Range:(C6-C12) Volatile Hydrocarbons as Gasohne*,v.ith Methyl tert-Butyl Ether* & BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab 1D Client 1D Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene I Surrogate <br /> I13178 $14-20 S 570,8,1 ND<1 4 1 27 60 9 8 _ 103 <br /> 13179 B14-30 S ND 0051 IND NDS ND ND 102 <br />' 13180, B14-40 S ND, ND ND ND ND ND 104 <br /> 13181 B14-50 S ND ND ND ND ND ND 103 <br /> 13182 B14-60 S ND ND ND 4N ND ND 103 i <br /> 13183 B14-90 S ND ND ND ND ND ND 103 <br /> 13184 B14-95 S ND ND ND ND ND ND 103 <br /> I13185 B15-15 S 540,gj ND<0 20 ND<0 01 099 2 2 22 97 <br /> 13156 1315-20 S ND ND ND ND Nin ND 102 <br />' 13157 B15-30 S ND ND ND ND ND ND 104 <br /> f <br /> 13188 B15-50 S ND ND ND ND ND ND 104 <br />' 13189 B15-60 S ND ND ND NDS - ND ND L 103 <br />' 13190 B15-90 S ND ND ND ND ND ND 102 <br /> 13191 B15-95 S ND ND ND ND ND ND 103 <br />' Reporting Limit unless w 50 ue/L 50 05 05 05 05 <br /> otherwise slated ND <br /> means not detected aboNe S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <br />' *%i atcr and vapor samples are reportedin ug/L,ripe samples in ug/n ipe soil and sludge samples in mg,"kg and all«TCLi?and SPLP extracts <br /> in ug/L <br />' a cluttered chromatogram sample peau coelutes with surrogate peak L <br /> 'The tollowing descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or s;eahly modified gasoline,"ls significant, b) hcaxier gasoline range compounds are Significant(aged <br /> gasolut�7} 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 derned from gasolene(1) D <br /> one to a few isolated peaks present g)strongly aged gasoline or diesel rar ge compounds are significant h) lighter than stater immiscible <br /> sheen is present i)liquid sample that cnntams greater than—S w nl °/„sediment j)no recognizable pattern <br />' DHS Ceitiftcation No 1644 ,��` Edward Hamilton, Lab Director <br />