Categorical Exclusion (CX) Determinations

Brookhaven Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
6/9/2021 Critical Utilities Rehabilitation Project (CURP) B1.3. B1.5, B1.15, B2.5
6/11/2020 SLAC Trailer Removal Program, T-27, T-294, and T-451 B1.23
4/12/2019 Core Facility Revitalization project B1. 15
4/12/2019 Free Space Quantum Channel device B3.6
9/5/2018 Upton Square Determination B1.15, B1.23, B1.24
10/18/2017 Construct a Cyro-Electron Microscope center adjacent to the National Synchrotron Light Source II facility at Brookhaven National Laboratory in Upton New York | U.S. DOE Office of Science (SC) B3.6
11/2/2016 NEPA Categorical Exclusion: Construction of a Science and User Support Center at BNL B 1.15; B1.23
5/3/2016 NEPA Categorical Exclusion: 05 03 16 B1.15
4/1/2016 NEPA Categorical Exclusion: 04 01 16a B1.7; B1.19
4/1/2016 NEPA Categorical Exclusion: 04 01 16 B1.3; B1.20
* 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