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Jack Kemp <br /> January 21, 1999 <br /> Page 2 <br /> • Sample DMW-6.1 25' was utilized for MS/MSD analysis Since the native diesel <br /> concentration exceeded four-times the spike level, an assessment of matrix affects cannot <br /> be made All LCS recoveries met QC criteria <br /> • No significant differences were noted in the field duplicate pair MW-0/DMW-7 <br /> • According to the laboratory, the peak pattern for diesel in sample DMW-6 appears <br /> degraded The peak patterns in samples DMW-7.1 301, MW-0, and DMW-7 do not <br /> match the diesel standard and have been reported as unknown hydrocarbon mixtures <br /> • A 500-fold dilution was performed to appropriately quantitate the diesel concentration in <br /> sample DMW-6.1 25' <br /> These data are acceptable in all other areas of review and are useable for their intended purpose <br /> I <br /> A lsacvai08 635 <br />