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I 10 Second Avenue South,#D7, Pacheco,CA 94553 <br /> ' MCCAMPBELL ANALYTICAL INC. Telephone :510-798-1620 Fax : 510-798-1622 <br /> hrtp://Www,mccanmpbel1.com E-mail: main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Shockey And Sons <br /> Date Sampled: 01/23/98 <br /> 4005 North Wilson Way Trucking f Date Received: 01/24/98 <br /> Stockton, CA 95205 Client Contact: Bill Little Date Extracted: 01/27-01/28/98 <br /> Client P.O: Date Analyzed: 01/27-01/28198 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with 11lethyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQC3(SF Bay Region)method GC'FID(5030) <br /> ' Ethviben- %Recovery <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene 7ene Xylenes Surrogate <br /> 85261 M W 111-23-98 W 290,b,h --- ND 1.0 ND 2.6 103 <br /> ' 85262 MW2/1-23-98 W ND --- ND ND ND ND 106 <br /> ' 85263 MW3/1-23-98 W ND --- ND ND ND ND 93 <br /> 85264 MW4/1-23-98 W 500,b,h 1.1 0,5S 0.66 0.60 101 <br /> 1 <br />' Reporting Limit unless <br /> W 5 ug/L 5.0 0.5 n.s 0.5 0.5 <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/wipe,soil and sludge samples in me/icg,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 mcC'ampbell Analytical is not responsible for their <br />' interpretation: a) unmodified or weakly modified gasoline is significant; b) header gasoline range compounds are sign i ficant(aged <br /> Baso€ine?); 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)TPhI patten)that docs nut appear to be derived from gasoline(?);t) <br /> one to a few isolated peaks present; g)strongly aged gasoline or diesel range compounds arc significant; h)lighter than water immiscible <br />' sheen is present;i)liquid sample that contains greater than--5 vol.%sediment;j)no reco mizahle paner7). <br /> DHS Certification No. 1644 /4/ Edward Hamilton,Lab Director <br /> 1 <br />