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I]0 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> Mr-CAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htto//www mccam bell cum E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID K& S Gas & Grocery Date Sampled 11/02/01 <br /> 837 Shaw Road Date Received 11/06/01 <br /> Stockton, CA 95215 Client Contact Calvin Lee Date Extracted 11108-11109101 <br /> Client P 0 Date Analyzed 11/08-11/09/01 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,with MethvI tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015 and 8020 or 602,California RWQCB(SF Say Region)method GCFID(5030) <br />' <br /> HLabID Client ID Matrix TPl1(g)` MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 82829 CPT-4-54 W 14,000,a ND<500 4000 79 690 710 111 <br />' 82830 CPT-4-81 W 790,a ND 260 45 24 78 106 <br /> 82831 CPT-4-108 W 6200,a ND<160 1900 65 29 59 104 <br /> 82832 CPT-4-147 W ND i ND 8 1 078 096 2 1 104 <br /> 4 <br /> E <br />' I <br />' Reporting Limit unless W 50 ug/L 5 0 O 5 05 05 05 <br /> otherwise stated,ND <br /> means not detected above S 1 0' mg/kg 005 0 005 0 005 0 005 0 005 the reporting limit <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 />' "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> '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) fighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline",e)TPI?pattem that does not appear to be derived from gasoline(7) f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant h)lighter than water imiruscible <br /> sheen is present,l)liquid sample that contains greater than—5 vol %sediment 1)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />