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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br />' McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//ywvw mccampbell corn E-mail main@mccampbell corn <br />' led 01/16/02 <br /> Advanced GeoEnvironmental Client Project ID Plaza Liquors I 1 Date Sampled <br />' 837 Shaw Road Date Received 01/17/02 <br /> Stockton, CA 95215 Client Contact Brian Millman Date Extracted 01/17-01/18/02 <br /> Client P O Date Analyzed 01/17-01/18/02 <br /> �7Gasohne Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tart-Butyl Ether* &BTEX* <br /> A methods 5030,modified 8015,and 8020 or 602 California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Crent ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> Lab ID <br /> Surrogate <br /> 88359 MW1/011602 W 33,000,a 13,000 6900 4600 390 2200 99 <br /> 88360 MW2/011602 W 1300,a 4100 180 21 29 100 105 <br /> 88361 MW3/011602 W 840,a 48 47 14 ND 3 4 --- <br /> 88362 <br /> -#88362 MW4/011602 W 12,000,a 820 1900 1400 290 1100 98 <br /> r <br /> Reporting Limit unless W 50 uglL 50 0 5 05 0 5 05 <br /> otherwise stated,ND means <br /> not detected above the <br /> reporting limit 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/vape,soil and sludge samples in mg/kg,and ail TCLP and SPLP extracts <br /> IT)ug/L <br /> a cluttered chromatogram,sample peak coelutes with surrogate peak <br /> I 'The following descnpuons of the TPII chromatogram are cursory in nature and McCampbell Analyticalis not responsible for them <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(?) 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,i)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />