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Ncsae use,: VKNOW <br /> �J 11 E- 'ETTE ','hWl Good Food,Good Life <br /> there are stable and sometimes increasing trends in some areas, COC conditions in most of <br /> the groundwater wells that Nestle monitors show long term decreasing trends. <br /> Nestle is planning to conduct further groundwater investigations around the City of Ripon <br /> ponds to assess whether additional remedial actions would be more protective of groundwater <br /> than natural attenuation south of the River. <br /> 3 - Request for additional Protections to the aroundwater south of the Stanislaus River: <br /> Nestle has taken, and will continue to take, appropriate action to minimize the impacts on all <br /> affected property owners, including your property, pursuant to the Water Replacement <br /> Contingency Plan. Nestle continues to monitor the plume movement through the Monitoring <br /> and Reporting Plan. As more information becomes available, Nestle will take appropriate <br /> action pursuant to the Water Replacement Contingency Plan. The actions foreseen in the <br /> plan are designed to be the most protective of the groundwater and its beneficial use. <br /> Nestle evaluated several alternatives for active remediation of groundwater COCs in the <br /> vicinity of the City of Ripon wastewater treatment lagoons and Stanislaus River in the 2011 <br /> Feasibility Study. The findings of the Feasibility Study documented that active remediation, <br /> including groundwater extraction and reinjection in this area, was not a feasible alternative. <br /> Unfortunately, the high rate of groundwater recharge from the Stanislaus River and the City <br /> wastewater treatment ponds hamper the ability of conventional and innovative remedial <br /> approaches, including standard pump and treat methods and in situ remedies. <br /> For standard pump and treat methods, vast amounts of groundwater would need to be <br /> removed from the aquifer, thus depleting the aquifer at a time of drought. In-situ remedies <br /> would involve adding large quantities of dissolved solids to the aquifer, which would adversely <br /> impact water quality. <br /> In closing, thank you for sharing your concerns and for your careful consideration of our <br /> responses. We share your concern for the groundwater resources and hope that this <br /> information provides you with assurances that we are approaching the issues thoughtfully. <br /> Sincerely, <br />