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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 /> httn.//www.rnccarnbbell.com E-mail:main@mccampbeil.corn <br /> C <br /> Advanced GeoEnvironmental Client Project ID: Manteca City Corp. Date Sampled: 01/31/02 <br /> 837 Shaw Road Yard Date Received: 02/01/02 <br /> Stockton, CA 95215 Client Contact:Brian Millman Date Extracted: 02104-02108/02 <br /> [Client P.O: Date Analyzed: 02104-02/08102 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Say Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethyl-benzene Xylenes %Recovery <br /> Surrogate <br /> 89494 MW1/01-31-02. W ND 6.8 ND ND ND ND 104 <br /> 89495 OMW 02 W ND 5.2 ND ND ND ND 103 <br /> 89496 MW3/ W ND ND ND ND ND ND 104 <br /> 01-31-02 <br /> 89497 MW4/01-31-02 W ND<100 3900 ND<1.0 ND<1.0 ND<1.0 ND<1.0 106 1 <br /> 89498 MW5/ W 110,f 2500 ND<1.0 ND<1.0 ND<1.0 ND<1.0 100 <br /> 01-31-02 + <br /> 89499 0MW-02 W ND 69 ND ND ND ND 102 �. <br /> MW7/ <br /> 89500 01-31-02 W ND ND ND ND ND ND 103 <br /> .i <br /> *rl <br /> ,l <br /> 1 <br /> Reporting Limit unless g � <br /> W 50 ug/L 5.0 0.5 0.5 Q.5 - 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> the reporting limit S 1.0 mg/kg 0.45 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 SDLP 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 asoline is significant; b heavier <br /> rp ) y g gn } gasoline range compounds are significant(aged � <br /> gasoline?); c) lighter gasoline range compounds (the most mobile action) 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;j)no recognizable pattern. <br /> k <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> �t <br />