Categorical Exclusion (CX) Determinations

Brookhaven Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
10/17/2023 CX Determination for Small-Scale Research
3/16/2023 complete physical demolition of Building 388 - The Danish House B1.16, B1.17, B1.23, B1.34
1/19/2023 Demolition of Building 129- BHSO- BNL-555 B1.16, B1.17, B1.23, B1.24
4/22/2022 demolish and dispose Building 197 at Brookhaven National Laboratory in Upton New York B1.23
1/25/2022 routine maintenance and minor upgrades to existing Brookhaven National Laboratory facilities. B1.3, B1.4, B1.5, B1.7, B1.11, B1.13, B1.15, B1.16, B1.17, B1.18, B2.1, B2.2, B2.5
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
* 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