; and (ii) temporary roads constructed for projects covered by this section shall be decommissioned within 3 years of completion of the project. (D) Modifying or reconstructing existing water or waste disposal systems. (E) Constructing, modifying, or reconstructing single or group use sites. (F) Decommissioning recreation facilities or portions of recreation facilities. (G) Decommissioning National Forest System roads or National Forest System trails not exceeding 3 miles within or connecting to developed recreation sites. (H) Constructing, modifying, or reconstructing boat landings. (I) Reconstructing existing ski lifts. (J) Modifying or reconstructing a recreation lodging rental. (c) Availability of categorical exclusion On and after the date of the enactment of this Act, the Secretary of Agriculture may use the categorical exclusion established under subsection (a) in accordance with this section. 8319. Categorical exclusion for administrative sites (a) Categorical exclusion established Forest management activities described in subsection (b) are a category of actions hereby designated as being categorically excluded from the preparation of an environmental assessment or an environmental impact statement under section 102 of the National Environmental Policy Act of 1969 ( 42 U.S.C. 4332 ). (b) Forest management activities designated for categorical exclusion The category of forest management activities designated under this section for a categorical exclusion are forest management activities carried out by the Secretary of Agriculture on National Forest System lands where the primary purpose of such activity is to construct, reconstruct, maintain, decommission, relocate, or dispose of an administrative site. (c) Availability of categorical exclusion On and after the date of the enactment of this Act, the Secretary of Agriculture may use the categorical exclusion established under subsection (a) in accordance with this section. (d) Limitations (1) Permanent roads A project covered by the categorical exclusion