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S E C ® R <br /> Ai <br /> 2 Remediation field data sheets and certified laboratory analytical reports and chain-of-custody <br /> documentation are provided in Attachment C <br /> CHARACTERIZATION STATUS <br /> Contamination in soil has been adequately delineated Contamination in groundwater is defined <br /> in the downgradient direction (well MW-13) P <br /> RECENT SUBMITTALSICORRESPONDENCE <br /> August 13, 2004—Second Quarter 2004 Remedial Summary Report <br /> THIS QUARTER ACTIVITIES (Third Quarter 2004) <br /> 1 Performed quarterly groundwater monitoring and sampling (TRC) <br /> 2 Prepare and submit (by SECOR) a one quarterly report which documents all on going <br /> activities at the site including quarterly sampling and remediation <br /> NEXT QUARTER ACTIVITIES (Fourth Quarter 2004) <br /> 1 Prepare and submit (by SECOR) a one quarterly report which documents all on going <br /> activities at the site including quarterly sampling and remediation <br /> 2 Perform quarterly groundwater monitoring and sampling <br /> i3 Perform ozone sparge system operation and maintenance <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Based on third quarter groundwater monitoring data and monthly remedial system operation and <br /> maintenance, MtBE and TBA concentrations continue to decline beneath the site Based on the <br /> continued decline, SECOR recommends continued operation of the ozone sparge system <br />