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California Regional Water Quality Control Board <br /> Central Valley Region <br /> Katherine Hart, Chair <br /> 11020 Sun Center Drive,#200,Rancho Cordova,Califomia 95670-6114 <br /> Matthew Rodriquez (916)464-3291 •FAX(916)464-4645 Edmund G.Brown Jr. <br /> Secretayfor http://www.waterboards.ca.gov/mntralvalley Governor <br /> Environmental Protection <br /> RECEIVED <br /> 14 November 2011 NOV 17 2011 <br /> ENVIRONMENTAL HEALTH <br /> P <br /> Nestle USA Inc. ERMIT/SERVICES <br /> Attention: Ms. Marie Joachim <br /> 800 North Brand Boulevard <br /> Glendale, California 91203 <br /> GROUNDWATER EXTRACTION SYSTEM PERFORMANCE <br /> FORMER NESTLE USA, INC. FACILITY, RIPON, SAN JOAQUIN COUNTY <br /> Central Valley Regional Water Quality Control Board (Central Valley Water Board) staff has <br /> reviewed the 16 August 2010 System Performance Assessment and Proposed Operational <br /> Changes letter report (Proposal) and the monthly 2011 groundwater treatment system <br /> performance reports, prepared by Environmental Cost Management, Inc., on behalf of Nestle <br /> USA, Inc. (Nestle). The treatment system is located at the former Nestle coffee decaffeination <br /> facility at 230 Industrial Avenue, Ripon, California. <br /> The Proposal recommends a 60-day groundwater treatment system test to assess the <br /> possibility of extracting additional volatile organic compound (VOC) mass dissolved in <br /> groundwater within the stagnation zone between shallow extraction wells EU-3 and EU-4. <br /> Central Valley Water Board staff would not approve the August 2010 Proposal until results of <br /> the work proposed in the 6 June 2010 M-10A Investigation Work Plan and the 2011 <br /> groundwater treatment system performance reports were available. <br /> Central Valley Water Board staff has determined that it is now appropriate for Nestle to <br /> proceed with the 60-day groundwater treatment system test. Nestle should submit the <br /> schedule for implementation of the test by 2 December 2011. <br /> If you have any questions, please contact me at (916) 464-4675, or by email at <br /> jbrownell@waterboards.ca.gov. <br /> JAMES R. qict�BROWNELL, P.G. <br /> Engineering Geologist <br /> Federal Facilities Unit <br /> Enclosure: Distribution List <br /> California Environmental Protection Agency <br /> :Da Recycled Paper <br />