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4. r <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax: 925-798-1622 <br /> 14 http:llwww.mccampbell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Manteca Corp.Yard Date Sampled: 01128/2002 <br /> 1 <br /> 837 Shaw Road Date Received: 01/29/2002 <br /> Stockton,CA 95215 Client Contact:Brian Millman Date Extracted: 01/29/2002 <br /> Client P.O: Date Analyzed: 01/29/2002 <br /> r Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert�Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;Califomia RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client JD Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %recovery <br /> benzene Surrogate <br /> 89357 MW5-15 S ND --- ND ND ND ND 105 <br /> 89158 MW5-20 S ND ND ND ND ND 104 <br /> 1 <br /> 89159 MW6-10 S ND -- ND ND ND ND 106 <br /> 89160 MW6-20 S ND --- ND ND ND ND 103 I�I <br /> i <br /> r <br /> 89161 MW7-10 S ND --- ND ND ND ND '105 1 <br /> 89162 MW7-15 S ND --- ND ND ND ND lOfi <br /> i <br /> n l <br /> I <br /> I <br /> t , Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 - 0.5 <br /> otherwise stated;Nle <br /> means not detected above <br /> the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> r 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 /> �r <br /> "cluttered chromatogram;sample peak coeiutes with surrogate peak <br /> J '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(?);f) <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 recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />