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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 /> http/iwwwmcgqMpbcllcorn E-mail main@mccampbell coin <br /> IAdvanced GeciEnvironmental Client Project ID Langston's Market Date Sampled 09/24/01 <br /> 837 Shaw Road Date Received 09/25/01 <br /> Stockton, CA 95215 Client Contact Calvin Lee Date Extracted 09/28-10/02/01 <br /> Client P O Date Analyzed 09/28-10/02/01 <br />' Gasoline Range(C6-Cl2)Volatile Hydrocarbons as Gasohne*,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 /> Lab 1D Client ID Matrix TPH(g)� MTBE Benzene Toluene Ethyl-benzene Xylenes %Recovery <br /> Surrogate <br /> 79468 MW I!092401 W 780,a ND<10 43 19 30 210 103 <br /> 74469 M W2/ W ND ND ND ND ND ND 102 <br /> 401 <br /> 79470 MW3/ W ND 37 059 ND ND ND 107 <br /> 092401 <br /> I 79471 MW4/ W ND ND ND ND ND ND 104 <br /> 092401 <br /> 79472 MWS/ W 1200,a 150 9 3 33 ND 10 --- <br /> 092401 <br /> 79473 MW6/ W ND ND ND ND ND ND 107 <br /> 092401 <br /> 79474 MW7/ W ND ND ND ND ND ND 103 <br /> 092401 <br /> 79475 <br /> 79475 MW81 W ND ND ND ND ND ND 101 <br /> 092401 <br /> I <br /> IReporting Limit unless W 50 ug/L 5 0 0 5 05 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above I <br /> the reporting timet S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <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 /> 4 cluttered chromatogram sample peak coelutes with surrogate peak <br /> The following descriptions of the TPH chromatogram are cursory in nature and 1vlcCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasolene is significant, b) heavier gasoline range compounds are significant(aged <br /> I 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 gasoline9,e)TPH pattern that does not appear to be derived from gasoline (1),f) <br /> one to a few isolated peaks present g) strongly aged gasoline or diesel range compounds are significant,h)lighter than water rmnuscible <br /> sheen is present,t)liquid sample that contains greater than—5 vol %sediment,I)no recognizable pattern <br /> DHS Certification No 1644 *Edward Hamilton,Lab Director <br /> I <br />