Oak Ridge National Laboratory Site Office CX Determinations Determination Date Name of Action: Description Categorical Exclusion Number 3/9/2023 Removal of A Fence Near Department of Energy Oak Ridge Reservation (ORR) Boundary Oak Ridge Tennessee Roane County Tennessee (Cx-Orr-27) (002) B1.23 11/29/2022 Transfer of the SSP-2A Parcel and Construction of an Electrical Substation (CX-ORR-25-001) B1.24; B4.11; B4.12 7/12/2022 Categorical Exclusion Determination for Research and Development Operation of the Material-Plasma Exposure eXperiment (MPEX) Target Station for Neutron-Irradiated Samples at Oak Ridge National Laboratory (4433X) B1.10; B3.6; B3.13 7/12/2022 Demolition of Excess Structures at Freels Bend in Oak Ridge, Tennessee (4647CXD) B1.23; B6.1 9/25/2020 Office of Secure Transportation Running Track / Physical Training Facility Construction CX-ORR-18-001 AMENDED B1.15, B2.1, B1.23, B2.3 5/27/2020 Property Transfer of the SSP-2A to the National Nuclear Security Administration (CX-ORR-24-001) B1.24 2/25/2019 Office of Secure Transportation Construction of Shipping and Receiving Building and Gravel Parking Lot Expansion CX-ORR-21-001 B1.15, B1.13 4/29/2021 Organizational Transfer: Wide Area Radio System at Oak Ridge B1.24 1/12/2021 Generic Categorical Exclusion (CX) Determination for Nuclear Material and Radiochemical Processing Research and Development at Oak Ridge National Laboratory (ORNL) B1.10 ; B2.6 ; B3.4 ; B3.6 ; 4 ; B3.11 ; B7.2 ; 9/8/2020 Demolition of Minor Buildings and Modular Structures at Oak Ridge National Laboratory (4424CXD) B1.15, B1.23 1 2 3 4 5 6