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Bayshore Pipeline Release - Spill Incident No.2006-1029 <br />I August 2007 Groundwater Monitoring and Remediation Progress Report <br />Page 5 of 5 <br />Future Actions <br />' We anticipate beginning installation of the AS/SVE system piping and mechanical equipment at the <br />site during the first week of October 2007 with system startup following one week after the installation <br />is complete. Duration of the installation may be subject to receipt of ordered equipment. A <br />comprehensive groundwater monitoring event will be performed approximately two weeks following <br />' system startup and the report will be submitted approximately 30 days following receipt of the <br />analysis. <br />If you have any questions or require any additional information, please do not hesitate to call me on <br />my cell phone at 303-507-7484 at any hour or day or at our E-21 office at 303-991-6000. <br />Sincerely, <br />621 ENGINEERING, INC. <br />Sergius N. Hanson, P.G., P.E. <br />Senior Engineer and President <br />Attachments <br />Figures <br />Tables <br />"'4? ""O?' <br />Brian N. Woody, P.G. <br />Project Geologist <br />Figure 1 - Site Location Map <br />Figure 1A - Site Map <br />Figure 2A - Groundwater Contour Map, North of Slurry Wall (8/11/07) <br />Figure 2B - Groundwater Contour Map, South of Slurry Wall (8/11/07) <br />Figure 3 - Groundwater Laboratory Results (8/11/07) <br />Table 1 - Soil Laboratory Results <br />Table 2 - Groundwater Elevations <br />Table 3 - Groundwater Laboratory Results <br />Table 4 - Surface Water Laboratory Results <br />Appendix 1 - Boring Logs and Well Completion Diagrams <br />Appendix 2 - Soil Laboratory Reports <br />Appendix 3 - Groundwater Laboratory Reports <br />Appendix 4 - Letter from CDPHE dated July 20, 2007 regarding ICAP Approval and Modifications <br />Appendix 5 - Remedial Implementation Schedule