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S C +C0R <br /> r" <br /> -3 <br /> time proved in TRC's Groundwater Monitoring Report dated February 24, 2005 is <br /> included as Attachment A. Based on TPPH, benzene, and MtBE isoconcentration maps <br /> (Figures 3, 4, and 5 in Attachment A) the plume is delineated in all directions with the <br /> exception of northeast of MW-16. <br /> REMEDATION STATUS s <br /> No active remediation. <br /> CHARACTERIZATION STATUS <br /> Contamination in soil has been adequately delineated. Contamination in groundwater <br /> has been delineated in all directions except northeast of well MW-16. Groundwater <br /> monitoring wells MW-17, MW-18, and MW-19 and two deep soil borings were completed <br /> at the site during the first quarter. Results of the additional assessment will be included <br /> in a Site Conceptual Model currently being prepared. <br /> WASTE DISPOSAL SUMMARY ;I <br /> The volume of purged groundwater generated and disposed of during the quarterly <br /> groundwater monitoring event will be reported in TRC's quarterly report. Disposal of the <br /> waste generated during the assessment activities will be included in the SCM. <br /> RECENT SUBMITTALSICORRESPONDENCE <br /> • None <br /> THIS QUARTER ACTIVITIES (First Quarter 2005) <br /> 1. Performed quarterly groundwater monitoring and sampling (TRC). <br /> 2. Prepared and submitted a quarterly summary report. <br /> 3. Installed wells MW-17, MW-18, MW-19 and deep soil borings DGP-1 and DGP-2. <br /> NEXT QUARTER ACTIVITIES (Second Quarter 2005) <br /> 1. Prepare and submit a quarterly summary report. <br /> 2. Perform quarterly groundwater monitoring and sampling. <br /> 3. Submit Site Conceptual Model and additional site assessment report. <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Based on the first quarter groundwater monitoring and sampling and data TPPH, benzene, and <br /> MtBE are fully delineated with the exception of northeast of well MW-16. Installation of wells MW- <br /> 17, MW-18, MW-19 (during the first quarter) should complete delineation at the site. Additional <br /> assessment completed during the first quarter will be documented and submitted in an SCM <br /> during the first quarter. <br /> NRtl�r.P <br /> Y, <br />