Categorical Exclusion (CX) Determinations

Brookhaven Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
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
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