Section 62.7405 - Identification of plan-delegation of authority(a) Letter from the New Hampshire Department of Environmental Services (NHDES), submitted February 6, 2023, requested delegation of authority from EPA to implement and enforce the Federal Plan Requirements for Municipal Solid Waste Landfills That Commenced Construction On or Before July 17, 2014, and Have Not Been Modified or Reconstructed Since July 17, 2014 (Existing MSW Landfills Federal Plan) at Subpart OOO of this part.(b) Identification of sources. The Existing MSW Landfills Federal Plan applies to each municipal solid waste landfill that meets the following criteria: (1) Commenced construction, reconstruction, or modification on or before July 17, 2014.(2) Accepted waste at any time since November 8, 1987, or has additional capacity for future waste deposition.(c) On February 6, 2023, NHDES Commissioner Robert R. Scott signed the Memorandum of Agreement Concerning the Delegation of Authority of the Federal Plan for Existing Municipal Solid Waste Landfills to the New Hampshire Department of Environmental Services by the United States Environmental Protection Agency. On June 27, 2023, Region 1 Deputy Regional Administrator Karen McGuire signed the MoA.(d) The delegation became fully effective as of October 27, 2023. 88 FR 66279 , Sept. 27, 2023