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Nestle USA, Inc., Ripon, California March 31, 2011 <br /> 2010 Annual Report <br /> Section 7 Planned Activities for 2011 <br /> Section 8 Endnotes <br /> 2 KEY ACTIVITIES IN 2010 <br /> ECM conducted activities on behalf of Nestle in 2010: <br /> • Water Replacement Contingency Plan (WRCP) <br /> o Revised the 2007 WRCP and submitted to the RWQCB; <br /> o Implemented the "priority well,,b tracking process; <br /> o Completed replacement of well at 5725 Hall Road; <br /> o Installed a granular activated carbon (GAC) wellhead treatment system at 802 <br /> Vera Avenue, <br /> • Groundwater Investigation <br /> o Conducted M-10A Investigation; <br /> • Groundwater Monitoring <br /> o Monitored per MRP; <br /> Interim Remedial Action Plan (TRAP) System Performance, <br /> o Performed Capture Analysis; <br /> • 2011 Revised Feasibility Study <br /> o Performed groundwater modeling to assist the preparation of the revised FS <br /> report; <br /> o Conducted an intrinsic remediation (IR) sampling study for limited wells; <br /> o Prepared a revision to the 2009 Feasibility Study Report (submitted on January <br /> 28, 2011); <br /> • Water Management Plan <br /> o Conducted well survey for the Water Management Plan for the Ripon Study Area <br /> (WMP); <br /> o Completed groundwater modeling to assist the development of buffer zones <br /> described in the WMP; <br /> • Stockton Avenue Activities <br /> o Shut down the groundwater extraction and remediation system; <br /> • Vapor Extraction Well Closure <br /> o Closed wells VE-4, VE-11, and VE-12. <br /> The subsections below summarize the activities associated with each item. Details for the <br /> WRCP, the well installation at 5725 Hall Road, the M-10A investigation, the IRAP system <br /> b Priority wells are domestic supply, municipal supply, non-potable municipal supply, agricultural supply, industrial <br /> supply, and guard wells identified by the WRCP. <br /> 2 <br />