Argonne Site Office CX Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
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
12/15/2021 ASO-CX-392 Precipitation Reactor for Advanced Battery Cathode Materials B3.6
11/8/2021 ASO-CX-391 Application of Advanced Materials Processing to Enable Direct Production of Fast Reactor Fuel Alloys B3.6
6/15/2021 ASO-CX-386 Demonstration of electrochemical extraction and purification of organic acids in biorefinery CX: B 3.6
4/30/2021 ASO-CX-385 Development of Sensor Performance Model of Microwave Cavity Flow Meter for Advanced Reactor High Temperature Fluids B 3.6
4/20/2021 ASO-CX-384 Y.Cube and BESS-affiliated system operations at building 300 B4.1, B 4.6
* 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