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Sent ly: McCampbell Analytical; 925 798 4812; May-9-00 12:45PM; Page 315 <br /> 1 <br /> ' 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAWBELL ANALYTICAL INC. Telephone;925-798-1620 Fax:925-798-1622 <br /> hap:Jlw-, .mccamebell.com E-mail:main@mccampbell.com <br /> Advanced GcoEnvironmental Client Project 1D:MBF/Manteca <br /> Date Sampled:05/01/2000 <br /> ' 4005 North Wilson Way Date Received:05102;2000 <br /> Stockton,CA 95205 Client Contact:Bill Lirtle Date Extracted:05103-0510712000 <br /> ' Client P.O: Date Analyzed: 05.03-0510712000 <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(SE Bay Region)method 0CF11)(5030) <br /> Lab ID !tient ID Matrix TPH(g)* MTBE Benzene Tolucnc Ethylben- Xylenes %Recovery <br /> 7.cnc Surrogate <br /> ' 36901 MWI W 290j 26,000 ND ND ND ND 99 <br /> 36902 MW2 W ND 1100 ND ND SID ND 99 <br /> ' 36903 MW3 W ND 170 ND ND ND ND 93 <br /> 36904 MW4 W ND ND ND ND ND ND 92 <br /> 1 <br /> t <br /> ' Reporlin <br /> g Limit unless w so trgrL 5.0 0.5 o.s o.s 0.5 <br /> otherwise stated;ND <br /> ' means not detected above S 1.0 mg/kg OAS 0.W5 0.005 0.005 0.005 <br /> the reporting limit <br /> •w'ster and vapor samples arc repotted in ugll.,wipe samples in ug/tvipe,soil and sludge samples in rng!kg,and all TC LP and SDLP extracts <br /> ' in uglL - <br /> cluttered chrormiognm;sample peak caelutes with surrogate peak <br /> "The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not reslxinsible for their <br /> interprclation: a) unmodified or weakly modified gasoline is significant; h) heavier gasoline range compounds are signifscant(aged <br /> ' gasoline?); c) lighter gasoline range compounds(the most mobile fraction)are significant;d) gasoline range compounds having broad <br /> chromatobmphic peaks an;significant;biologically altered gasoline?;e)TP11 pattcm that docs not appear to he derived from gasoline(?);1) <br /> one to a few isolated peaks present;g)strongly aged gasoline or die-el range compounds are significant;h)lighter than water immiscible <br /> sheen is present;i)liquid sample'bat contains greater than-5 vol.%sediment;j)no recognizable pattern. <br /> DI IS Certification No. 1644 ,_,Edward Hamilton,Lab Director <br />