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I <br /> ROY F WESTON, INC <br /> STOCKTON ANALYTICAL LABORATORY <br /> ANALYTICAL CASE NARRATIVE <br /> 1 <br />' Client AREG - MAJOR MART <br /> RFW# 93085597 <br /> Test SW8015(MODIFIED)-TOTAL PURGEABLE PETROLEUM HYDROCARBONS <br /> 1 This narrative covers the analysis of five (5) water samples in accordance with the <br /> protocols based on The California Luft Manual <br /> t2 The analytical hold time for this analysis was met. <br />' 3 The continuing calibration criteria was met for this analysis. <br /> 4 The method blank associated with this sample was free of target analyte interferences <br /> at, or above, the reporting limit. <br /> 5 Surrogate recoveries were within Laboratory Q C. limits. <br />' 6. Blank spike recoveries were within acceptable Q C. criteria <br />' 7 The matrix spikes were not requested by this client. <br /> 8 Retention times were within acceptable Q.0 limits. <br /> f 3 6 _,F <br /> GIMBLE\Unit Leader Date <br />