Categorical Exclusion (CX) Determinations

Argonne Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
12/8/2022 ASO-CX-399 AMF3 (ARM Mobile Facility) Project Installation and Operation at USDA/USFS Bankhead National Forest B 3.1
11/10/2022 ASO-CX-398 Continuous Lithium Plating Line in Building 370 B 3.6
10/17/2022 ASO-CX-397 Electrodialysis Pilot Plant Operations B 3.6
10/17/2022 ASO-CX-396 Fermenter Studies including Scale-Up Pilot B 3.6
10/11/2022 ASO-CX-395 Generic CX for Environmental Characterization and Monitoring B 3.1
10/13/2021 ASO-CX-390 Stable Salt Reactor B 3.6
5/19/2022 ASO-CX-394 A Zero-Emission Process for Direct Reduction of Iron by Hydrogen Plasma in a Rotary Kiln Reactor B 3.6
1/18/2022 ASO-CX-393 Operation of 3 MeV Electron Van de Graaf Accelerator B 3.6
8/24/2021 ASO-CX-389 Sodium and Lithium Work B 3.6
7/19/2021 ASO-CX-388 Pollinator and other Wildlife Surveys at Minnesota Solar Facilities and Agricultural Fields 2018-2021 B 3.3
* 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