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S E C 0 R <br /> 4 <br /> Based upon data collected during ongoing quarterly groundwater monitoring and sampling, dissolved <br /> hydrocarbons are effectively delineated both laterally and vertically in the vicinity of the site <br /> However, dissolved hydrocarbons continue to be detected in groundwater samples collected from <br /> on-site wells and are concentrated in the vicinity and downgradient of the UST cavity <br /> RECENT QUARTER ACTIVITIES (Third Quarter 2003) <br /> 1 Performed quarterly groundwater monitoring and sampling (GRI) <br /> 2 Prepared and submitted a quarterly summary report <br /> 3 Performed remedial system O&M <br /> NEXT QUARTER ACTIVITIES (Fourth Quarter 2003) <br /> 1 Prepare and submit a quarterly summary report <br /> 2 Perform quarterly groundwater monitoring and sampling <br /> 3 Perform remedial system O&M <br /> CHARACTERIZATION/REMEDIAL STATUS <br /> Soil contamination delineated? Yes <br /> Dissolved groundwater delineated? Yes <br /> Free product delineated? NIA <br /> Sod/Groundwater remediation in progress? Yes <br /> Start? NIA <br /> Anticipated completion date? NIA <br /> RECOMMENDATIONS/DISCUSSIONS <br /> Continue with operation of the ozone sparge system and quarterly monitoring and sampling <br /> CONSULTANT SECOR International Incorporated <br /> • <br />