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Matt Belair - 3 - 12 July 2013 Delicato Family Vineyards Although the Unlined Pond Closure Plan provides sufficient detail of proposed assessment activities that will be conducted to characterize conditions of the unlined ponds, it does not discuss the criteria to determine what material should be removed, which will reportedly be provided as part of the Removal Closure Plan. Therefore, the Unlined Closure Plan is hereby conditionally approved provided that all assessment methods, results, data interpretations, and technical rationale for recommendations reached as to the extent of sludge to be removed are reported in the Removal Closure Plan. The Removal Closure Plan must include procedures to remove sludge and waste-containing sediments, provide for verification of waste removal, and describe disposal plans for the material to be removed. The Removal Closure Plan must also describe the criteria used to prevent percolation of residual waste constituents in the soil underlying the former wastewater ponds. The Removal Plan must specify the field and/or analytical criteria that will be used to define the nature and volume of material to be removed as part of the pond closure process. As required under Provision H.1.a, the results of soil excavation, verification of waste removal, and documentation of sludge disposal activities is required to be submitted in a Former Unlined Pond Closure Report by 1 October 2014. Revised Wastewater System Improvement Completion Report: Improvement to Land Application Areas, 8 May 2013, (LAA Report) Submittal of the LAA Report was required under Provision H.1.c of the WDRs. The LAA Report documented the crops planted at LAAs 1 through 4, and LAA 6, the nature of irrigation plumbing and valves, direction of surface drainage flow, and tailwater recovery. Irrigation to the LAAs will be provided through a pressured drip system. In accordance with the WDRs, a report certifying the completion of preparing LAA 5 is required by 1 September 2013. Use of the two newly constructed aeration ponds, increased wastewater flow, and application of wastewater to the completed LAAs can only be implemented upon the Executive Officer's written approval of the Wastewater System Improvements Completion Report. If you have any questions or need further clarification about the contents of this letter, please contact me at (916) 464-4616 or sarmstrongawaterboards.ca.00v. SCOTTARMSTROG, P.G., C.HG. Engineering Geolo ist Waste Discharge to Land Permitting Section cc: Rodney Estrada, San Joaquin County Environmental Health Department, Stockton Bob Chrobak, Kennedy/Jenks Consultants, San Francisco