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ROY F WESTON, INC <br /> STOCKTON ANALYTICAL LABORATORY <br /> IANALYTICAL CASE NARRATIVE <br /> I <br /> Client AREG - MAJOR MART <br />' RFW# 9306S145 <br /> Test SW8015(MODIFIED)-TOTAL PURGEABLE PETROLEUM HYDROCARBONS <br /> 1 This narrative covers the analysis of six (6) water samples in accordance with the <br /> protocols based on The California Luft Manual <br /> z 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 these samples were free of target analyte <br /> interferences 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 C limits <br /> -q-9-3 <br />' <br /> D GIMBLE\Unit Leader Oate <br /> 1 <br />