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Mr. Mike Desso . - 3- A 3 November 2009 <br /> Nestle USA Inc. <br /> Conclusions <br /> Central Valley Water Board concludes that Nestle should take the following actions: <br /> 1. Submit a revised System Work Plan that does not reduce capture zone size at Industrial <br /> Avenue, <br /> 2. Install two groundwater monitoring wells on the Industrial Avenue site at the locations <br /> proposed in the 2 November 2009 addendum to the Well Work Plan, <br /> 3. Install one groundwater monitoring well southwest of the Stockton Avenue site at the <br /> location proposed in the 2 November 2009 addendum, and <br /> 4. Conduct a groundwater investigation within the B Zone beneath the Stockton Avenue <br /> site to determine if concentrations of TCE and other constituents of concern resulting <br /> from the sewer line leak have been sufficiently reduced to justify shutdown of the <br /> treatment plant. At a minimum, the report of this investigation should include an <br /> evaluation of B Zone monitoring well data in the two new wells and one existing well on <br /> the Nestle Stockton Avenue property. <br /> The field work identified in Items 2 through 4 should be completed by 11 February 2010, and <br /> reports of findings submitted by 15 April 2010. Item one is only necessary if Nestle chooses to <br /> proceed with stagnant zone characterization at this time. If you have any questions, please <br /> contact me at (916) 464-4675, or by email at jbrownell@waterboards.ca.gov. <br /> James R. Brownell, P.G. <br /> Engineering Geologist <br /> Attachment: Distribution List <br /> Nestle Monitoring Well M-10A TCE trend graph <br />