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Jack Kemp <br /> July 19,2000 <br /> Page 2 <br /> The laboratory performed two extractions and analyses for each sample in this project due to low LCS <br /> recoveries in the original analysis The subsequent re-extraction was performed outside holding time <br /> These results did not confirm the original non-detect results Up to 90 ug/L of unknown hydrocarbons <br /> were reported in samples in the second analysis Consequently, the original results are refected and the <br />' results from the second analysis are considered estimated due to holding time exceedences A further <br /> indication of a low bias, for sample DMW-G, is noted by a low surrogate recovery With the exception of <br /> the refected data, these data are acceptable in all other areas of review and, as qualified, are useable for <br />' their intended purpose <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> A ISacval08 765 <br />