Categorical Exclusion (CX) Determinations

Fermi Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
11/13/2025 CX Determination Infrastructure Modifications for MAGIS-100 B2.2, B3.6
11/13/2025 CX Determination FUSRAP Phase II Project at IARC B3.6, B3.10
11/12/2025 CX Determination Generic CX B1.3 Routine Maintenance B1.3
11/12/2025 CX Determination Generic CX B3.6 Small-Scale Research B3.6
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
* 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