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all ® -�1 Regional Water Quality Control Board <br /> Central l7alley Region <br /> Robert Schneider,chair Gray Davis <br /> Winston H.Hickox Governor <br /> Secretat7 for Sacramento Main Office <br /> Environmental Internet Address: http://www.swrcb-ca.gov/rwgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 14 October 2003 <br /> Paul Franzia <br /> Barrel Ten Quarter Circle Land Company <br /> 6342 Bystrum Road <br /> Ceres, CA 95307 <br /> CONDITIONAL APPROVAL OF VADOSE ZONE LYSIMETER AND GROUNDWATER <br /> MONITORING WELL INSTALLATION WORK PLAN, BARREL TEN WINERY, ESCALON, SAN <br /> JOAQUIN COUNTY <br /> I have reviewed the 1 October 2003 Vadose Zone Lysimeter and Groundwater Monitoring Well <br /> Installation Work Plan,prepared by Kennedy/ Jenks Consultants. The workplan was prepared in <br /> response to Requirement No. 8 of Cease and Desist Order No. R5-2003-00125. I have the following <br /> comments on the workplan: <br /> Groundwater Well Installation Portion of the Workplan <br /> • The workplan proposes installation of two additional groundwater monitoring wells; one on the east <br /> side of Land Application Area (LAA)No. 2 and the second south of LAA No. 4. The wells are <br /> intended to monitor upgradient groundwater conditions. Staff notes that the proposed wells are <br /> adjacent to the existing LAAs,which might be within a groundwater mound created by the <br /> wastewater application. The data collected by upgradient wells located so close to an established <br /> LAA might be ambiguous. The proposed locations must be reevaluated for mounding effects and the <br /> wells located further upgradient if that is possible. <br /> • Soil samples will be collected from the soil borings for chemical analysis. As discussed above, the <br /> location of the borings might make the data interpretation ambiguous since it will be unclear if the <br /> area has been impacted by present or historic wastewater application. <br /> • Section 2.3.3 describes surveying the newly constructed well locations. The survey must include the <br /> existing wells to allow calculation of groundwater elevation maps across the site. <br /> • Section 2.5 describes the groundwater sampling and Table 3 lists the analytes that are proposed for <br /> analysis. Table 3 does not include Total Kjeldahl Nitrogen(TKN) and Trihalomethanes, which are <br /> included in the 14 September 2001 Revised Monitoring and Reporting Program (MRP). Please add <br /> the analytes to the list presented in Table 3. <br /> California Environmental Protection Agency <br /> 0 Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our Web-site at http//www swrcb.ca.eov/rwgcb5 <br /> V:\San_Joaquin—Nonl5\SuIY\ObrienTSan Joaquin�Barrcl Ten Fsealon Winery%Fra is 9 Oci 03.doc <br />