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i <br /> ROY F WESTON, INC. <br /> STOCKTON ANALYTICAL LABORATORY <br /> ANALYTICAL CASE NARRATIVE <br /> Client: S. J. MOSQUITO ABATEMENT <br /> RFW#: 9208S643 <br /> Test: SW8020 PURGEABLE AROMATICS <br /> 1. This narrative covers the <br /> analysis of 3 water samples in accordance with protocols <br /> based on SW-846, method 8020. <br /> 2. <br /> The analytical holding time for this analysis was met. <br /> 3. Continuing calibration criteria was met for this analysis. <br /> 4. The method blank associated with these samples did not contain any target analytes <br /> at, or above, the reporting limits. <br /> 5. Surrogate recoveries were within Laboratory QC limits. <br /> 6. Blank spike recoveries were within Laboratory QC limits. <br /> 7. Retention times were within Laboratory QC limits. <br /> Unit Leader Date <br />