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4Q05 Chemistry Validation Comments— 1/19/06 <br /> Site No 6100 Lab No MOL0796 Classification Groundwater Monitoring <br /> Data Acceptable with Issues <br /> • The reported results for ethanol in samples MW-12,MW-13,VW-3, VW-5, VW-6,and domestic <br /> well should be considered estimated because the associated continuing calibration standard was <br /> outside of acceptance criteria <br /> • The reported result for ethanol in sample VW-5 should be considered estimated due to a high <br /> relative percent difference reported between the associated LCS and LCSD <br /> • The reported result for ethanol in sample VW-5 may be biased high due to a high average percent <br /> recovery reported in the associated LCS/LCSD analysis <br /> • The reported results for benzene in samples MW-12, VW-3,and VW-6 should be considered <br /> estimated,the samples were initially analyzed within holding time but required reanalysis due to <br /> QA/QC failure The reanalysis was performed out of holding time <br /> • The elevated reporting limits were the results of dilutions performed by the laboratory in order to <br /> quantitate a target analyte <br /> No Further Comments <br /> The data validation report will be included in the e-mail <br />