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E A ` � Memorandum of Understanding Between California Department of Transportation And San Joaquin County (Department of Public Works) Regarding the Corral Hollow Landfill and Vicinity THIS Memorandum of Understanding (MOU) is entered into this _ day of , 2011, (Effective Date), between the County of San Joaquin, a political subdivision of the State of California (County) and the State of California Department of Transportation (Caltrans). RECITALS This MOU is predicated upon the following: • San Joaquin County owns property located west of the intersection of Interstate 580 and Corral Hollow Road near Tracy, California, containing the Corral Hollow Sanitary Landfill. This landfill is administered by the Solid Waste Division of the Department of Public Works (Figure 1). • Most of this landfill received a final closure cap in 1996, but an area of approximately 1.1 acres has been found to contain refuse; however, it has not received a closure cap. • Land east of, and adjacent to, the landfill property is owned by the State of California (State) as part of the right-of-way for Interstate 580 and is administered by Caltrans. Approximately 0.2 acre of this State-owned property has been found to contain refuse and is not covered with a closure cap. The State was not aware of the presence of refuse in this property when it was acquired. • Presence of refuse in State property subjects the State to significant liability which cannot easily be quantified. • The cost of installing a closure cap over both the State-owned and County -owned areas is estimated to be approximately $380,000. • Staff of the Central Valley Regional Water Quality Control Board (RWQCB) prepared a Water Code Section 13267 Order for Technical Reports, dated 7 July 2011, requiring the County to submit, with a Letter of Agreement from Caltrans: o A Final Cover Expansion Design for extending the closure cover over the uncovered refuse. The Final Cover Expansion Design shall satisfy the requirements set forth in the Technical Order. Alternatively, Caltrans may submit a clean closure plan meeting the requirements of Title 27 of the California Code of Regulations Sections 20950(2)(B), 21090(f) and 21810(a) -(e). However, the County and Caltrans have agreed to pursue a single project to extend the closure cover over the refuse on both properties. Memorandum of Understanding Corral Hollow Landfill Closure and Related State of California (Caltrans) San Joaquin County (Department of Public Works)