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Roy F Weston, Inc - Stockton Laboratory <br /> Case Narrative <br /> Cl, xZt THnPPE OIL <br /> Project #.L89052 <br /> LF IF 11605 <br /> Vo i tiles :ase Narrative <br /> BTEX Analysis : <br /> This narrative covers the analysis of one soil sample . <br /> The analytical holding time for this analysis was met . <br /> Surrogate recoveries were within acceptable limits . <br /> Spike recoveries and RPD values were within acceptable <br /> limit <br /> The method blank associated with this sample was free from <br /> target analyte interferences at, or above, the reporting <br /> lima.+s <br /> In>_tiRl calibration criteria was met for this analysis with <br /> . the sAception of the analyte Benzene, slightly outside 15$. <br /> Contxnving calibration criteria was met for `this analysis <br /> when compared to the initial calibration. <br /> TPH analysis: <br /> This necative covers the analysis of one soil <br /> The analytical holding time for this analysis was met <br /> Tnitial calibration criteria was met for this analysis. <br /> Continuing calibration criteria was met for this analysis . <br /> The method blank associated with this group of samples <br /> were Free of target analyte interferences at, or above, the <br /> reporting limits <br /> There was no surrogate used in this analysis. <br /> Spike recoveries were within acceptable limits. <br /> t <br /> • G.R. Adams Date <br /> Unit Leader <br />