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• • GEOTECHNICAL <br /> ' NEIL O.ANDERSON ENVIRONMENTAL <br /> A N D A S S O C I A T E S INSPECTIONS d TESTING <br /> LABORATORY SERVICES <br /> POOL ENGINEERING <br /> POST TENSION DESIGN <br /> February 1, 2006 <br /> Mr. Timothy O'Brien Via Golden State Overnight <br /> Central Valley Regional Water Quality Control Board <br /> 11020 Sun Center Drive 4200 <br /> Rancho Cordova, California 95679-6114 <br /> RE: Response to RWQCB Correspondence Dated December 30, 2005 <br /> Dear Mr. O'Brien, <br /> Neil O. Anderson and Associates (NOAA) is submitting this document on behalf of Mr. Randall <br /> Lange, LangeTwins Wine Estates. The purpose of this document is to address the items presented <br /> in your letter dated December 30, 2005. <br /> 1) The Wastewater Land Application area has been proposed and is identified in Plate 2. <br /> Based on this land application area and with the regional groundwater flow reported to be to <br /> the east / northeast (see Workplan for more information on groundwater flow), the location <br /> of monitoring well MW-1 is up gradient of the facility and the land application area. <br /> Monitoring well MW-2 is located within the Wastewater Land Application area. <br /> 2) MW-3 is to be located within 20 feet of Pond "C" (See Plate 3). Based on conversations <br /> with Wallace Group consultant Matthew Wheeler, Pond "C" will be built as part of the <br /> initial build out and the remaining Ponds "D through K" may or may not be built until a later <br /> date. Based on this information, monitoring well MW-3 is proposed to be built adjacent to <br /> Pond"C". <br /> PROPOSED TIME SCHEDULE <br /> February 1, 2006—Submittal of this Addendum of the Workplan <br /> March 13, 2006—Installation of the approved groundwater monitoring wells (1\4W-1 to MW-3). <br /> April 30, 2006—Submit Groundwater Wl'ell Installation Report of Results andQMR FirstQuarter 2006. <br /> July 30, 2006 - Submit QMR Second Quarter 2006. <br /> October 30, 2006 - Submit QMR Third Quarter 2006. <br /> January 30, 2007 - SubmitQMR Fourth Quarter 2006. <br /> LODI • SACRAMENTO • MODESTO <br /> ENVIRONMENTAL DIVISION 902 Industrial Way•Lodi,California 95240-209.367.3701 •FAX 209.369.4228•www.noanderson.com <br />