Categorical Exclusion (CX) Determinations

Fermi Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
10/17/2025 CX Determination Giese Road Culvert Replacement and Road Reconstruction B1.3, B1.13, B1.33
10/20/2025 CX Determination UST Removal at Kautz Road B6.1
10/22/2025 CX Determination Adoption of Generic CX B6.1 Cleanup B6.1
10/22/2025 CX Determination Adoption of Generic CX B2.1 Workplace Enhancements B2.1
10/7/2025 Repairing Power Lines on Eola Road from Weather Damage B1.3, B4.13
10/8/2025 Lab A Fire Suppression Sprinkler System Valve and Pipe Break - Response and Repair B2.5, B6.1
10/8/2025 Domestic Water Pipe Leak and Flooding Response and Repair at NM3&4 (KTEV) B2.5, B6.1
9/25/2025 CX Determination PIP-II Brush Clearing for Survey Monuments B1.3
8/25/2025 CX Determination for Fermilab Demolition of Sites 50, 52 and 55 B1.16, B1.17, B1.23, B1.27, B1.34
7/22/2025 Determination for Fermilab Ecological Land Management Plan B1.3, B1.20, B1.33, B3.3, B3.8, B3.16
* 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