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4 <br /> California Regional Water Qualitytontrol Board <br /> Central Valley Region <br /> Robert Schneider, Chair <br /> Alan C.Lloyd Ph.D. Arnold Schwarzenegge. <br /> Secretaryfor Sacramento Main Office Governor <br /> Environmental Protection Intemet Address: http://w .swEb.ca.gov/—mgcb5 <br /> 11020 Sun Center Drive,#200,Rancho Cordova,CA 95670-6114 <br /> Phone(916)464.3291 •FAX(916)464-4780 <br /> 15 February 2005 <br /> Jim Crandell <br /> Robert Mondavi Woodbridge Winery <br /> P.O. Box 1260 <br /> Woodbridge, CA 95258 <br /> CONDITIONAL APPROVAL AND REQUEST FOR ADDENDUM, GROUNDWATER <br /> PROTECTION WORK PLAN,ROBERT MONDAVI WINERY, SAN JOAQUIN COUNTY <br /> I have reviewed the 27 October 2004 Groundwater Protection Work Plan prepared by Kennedy/Jenks <br /> Consultants and determined it is incomplete. The workplan was prepared in response to the <br /> 8 October 2004 California Water Code Section 13267 Order. The report addresses four general topics: <br /> 1) Process Water Characterization Workplan, 2) Process Water Treatment and Reuse Evaluation <br /> Workplan, 3) Groundwater Characterization Workplan, and 4) Groundwater Monitoring Well <br /> Installation Workplan. Each of the topics is discussed below. <br /> Process Water Characterization Workplan <br /> Implementation of the Process Water Characterization Workplan will result in a better understanding of <br /> the sources of wastewater in the facility. However,much of the sampling activity does not address the <br /> wastestreams of primary concern. The wastestreams of primary concern are those that contain high <br /> salinity wastewater. Because the degradable portion of Total Dissolved Solids (TDS) can be effectively <br /> treated by the existing wastewater system, the focus of the workplan should be on the portion of TDS <br /> that are Fixed Dissolved Solids (FDS). <br /> Please address the items discussed above and the following items: <br /> • Section 2.3.2 describes several wastestream sources. The possible existence of boilers or clean- <br /> in-place systems is not described. If they exist, please add them to the list of wastestream sources <br /> that will be evaluated. <br /> • The report identifies a number of wastestream sources but doesn't include any evaluation of the <br /> possibility of eliminating or reducing the wastestream from each source. In addition, no <br /> evaluation of the possibility of modifying the character of the waste is provided. For example, <br /> use of alternative chemicals is not discussed, use of ozone for sanitation/barrel cleaning is not <br /> considered, replacing the water softeners with reverse osmosis systems is not explored, nor is <br /> elimination of the bottling wastewater. Staff note that many wineries employ contract bottlers <br /> that do not generate wastewater. <br /> California Environmental Protection Agency <br /> ea Recycled Paper <br />