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I <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798--1620 Fax 925-798-1622 <br />' Mtn//www mccampbell corn E-mail main@mccampbell com <br /> -- - --7 <br />' Advanced GeoEnvironmental Client Project ID K&S Gas& Grocery Date Sampled 12/19/00 <br /> 4005 North Wilson Way Date Received 12/20/00 <br />' Stockton, CA 95205 Client Contact Calvin Lee Date Extracted 12/20/00 <br /> Chent P O LDatc Analyzed 12/20/00 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &HTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCF1D(5030) <br /> Lab 1D CIient ID Matrix TPH(g)* MTBE Benzene Toluene Ethylben- Xylenes1!%Recovery--- zene urrogate <br /> 56444 MW1/ W 93,000,a 3500 19,000 3200 15,000 108 <br /> 12-19-00 <br />' 56445 MW2/ W 39,000,a --- 7800 530 2600 3100 103 <br /> 12-19-00 <br /> 56446 MW3/ W 160,000,a,h --- 19,000 23,000 4900 25,000 106 <br /> I2-19-00 <br /> I <br /> 1 <br /> 1• <br /> 1 <br /> Reporting Limit unless W 50 ug(L 50 05 05 05 05 { <br /> otherwise stated ND <br /> means not detected above <br /> the reporting hrrut S 1 0 mg/kg 005 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 /> "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) 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 derived from gasoline(9),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant h)lighter than water immiscible <br /> sheen is present i)liquid sample that contains greater than--5 vol %sediment,))no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />