Categorical Exclusion (CX) Determinations

Oak Ridge National Laboratory Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
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
5/27/2020 Property Transfer of the SSP-2A to the National Nuclear Security Administration B1.24
9/17/2019 Construction and Operation of the Laboratory for Translational Research Capability (4274X) B3.6
10/10/2018 Categorical Exclusion Determination for small-scale, short-term cleanup actions under RCRA, Atomic Energy Act B6.1
7/19/2018 Demolition of Non-Historic Buildings and Structures at Oak Ridge National Laboratory (4175CXD) B1.23, B6.1
5/17/2018 Demolition of ORISE Building SC-13 (CX-ORISE-2018-01) B1.23
12/20/2016 NEPA Categorical Exclusion: Exascale Computing Project (CX-ECP-16-001) B1.7;B1.15;B1.24;B1.31;B2.2;B3.6
2/24/2016 NEPA Categorical Exclusion: 02 24 16 B1.24; B1.30
* Implicit in CX determinations are the following:
  1. There are no extraordinary circumstances related to the proposed action that may affect the significance of the environmental effects of the proposed action.
  2. The proposed action is not “connected” to other actions with potentially significant impacts.
  3. The proposed action is not related to other proposed actions with cumulatively significant impacts.
  4. The proposed action is not precluded by 40 CFR 1506.1 or 10 CFR 1021.211.
  5. For CX determinations made prior to November 14, 2011, CX number definitions can be found at: http://energy.gov/sites/prod/files/nepapub/nepa_documents/RedDont/CXR-10CFRPart1021-Changes.pdf