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----------------- <br /> S E C 0 R <br /> RECENT SUBMITTALSICORRESPONDENCE <br /> None. <br /> THIS QUARTER ACTIVITIES (Second Quarter 2004) <br /> 1. Performed quarterly groundwater monitoring and sampling (TRC). <br /> 2. Prepared and submitted a quarterly summary report. <br /> 3. Performed remedial system operation and maintenance. <br /> NEXT QUARTER ACTIVITIES (Third Quarter 2004) <br /> 1. Prepare and submit a quarterly summary report. <br /> 2. Perform quarterly groundwater monitoring and sampling. <br /> 3. Perform remedial system operation and maintenance. <br /> 4. Reinstall well MW-13 and submit report documenting well reinstallation. <br /> 5. Submit work plan for additional assessment south of well MW-19. <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Based on the second quarter groundwater monitoring and sampling and data collected during <br /> ozone sparge system operation and maintenance, TPHg and MtBE concentrations in <br /> groundwater continue to decline. SECOR recommends that the ozone sparge system continue to <br /> operate and that a work plan be submitted for additional assessment south of well MW-19 to <br /> complete delineation of dissolved petroleum hydrocarbons. <br />