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I j <br /> t <br /> ' ,`' <br /> Roy F. Weston, Inc. - Stockton Laboratory <br /> Case Narrative <br /> int : THORPE OIL <br /> � 118Pro]ect #•L89052 <br /> 7_7 <br /> Miles '`.ase Narrative <br /> TVH analysis: <br /> 1 . This narrative covers the analysis of two (2) waters. <br /> 2 . All holding times were met for this analysis. <br /> 3 . Initial calibration criteria was met for this analysis. <br /> 4 . Continuing calibration criteria was met for this analysis <br /> 5 . The method blank associated with this group of samples <br /> were Free of target analyte interferences at, or above, the <br /> . reporting limits. <br /> 6. There were no surrogates used in this analysis . <br /> 7 . All spike recoveries were within QC limits. <br /> BTEX analysis: <br /> 1 . This narrative covers the analysis of two (2) water <br /> water samples in accordance with SW-846. <br /> 2 . Initiation of sample analysis was within holding time for <br /> the FID analysis. However, analysis made on the PID was <br /> made outside of holding time. <br /> 3. Initial and continuing calibration criteria were met for <br /> this analysis. <br /> 4 . The method blank associated with this group of samples <br /> was not free of target analyte interferences at, or above, <br /> the reporting limits. However, the samples were clean and <br /> did not show any carryover peaks. <br /> 5 . Surrogate recoveries were within laboratory limits. <br /> 6. Spike recoveries were within acceptable limits . <br /> G.R. Adamd Date <br /> . Unit Leader <br />