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Roy F . Weston, Inc . - Stockton Laboratory <br /> --ti — Case Narrative <br /> Client: THORPE OIL <br /> LP # : 11588 <br /> FUMIGANTS <br /> This narrative covers the analysis of two samples in accordance with <br /> EPA 504 protocol . The analytical holding time for this analysis was <br /> met. Surrogates were not used in this analysis . Spike recoveries and <br /> the RPD' s for the spikes were within acceptable limits . The method <br /> blank did not contain any target compounds or interfering peaks at or <br /> above the reporting limits . Initial and continuing calibration cri- <br /> teria were met for this analysis . <br /> EXTRACTABLE PETROLEUM HYDROCARBONS <br /> This narrative covers the analysis of two samples in accordance with <br /> SW-846 , 3rd Edition protocol . The analytical holding time was met for <br /> this analysis . Surrogates were not used in this analysis . Spike re- <br /> coveries and the RPD'S for the spikes were within acceptable limits . <br /> The method blank did not contain any interfering peaks at or above the <br /> reporting limit. Initial and continuing calibration criteria were met <br /> for this analysis . <br /> p�/ -7/ <br /> D. Jenner Date <br /> Unit Leader <br />