Categorical Exclusion (CX) Determinations

Argonne Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
12/14/2016 ASO-CX-336 ALCF-3 Upgrade/TCS Facility Enhancements - OSF B1.15; B1.31
11/1/2016 NEPA Categorical Exclusion: ASO-CX-320r: Data-Driven Multiscale Coupled Urban Systems Modeling B3.1
9/27/2016 NEPA Categorical Exclusion: ASO-CX-334 Site-Wide Generic Categorical Exclusion - Routine Custodial Activities B1.3
9/27/2016 NEPA Categorical Exclusion: ASO-CX-333 Underground Storage Tank Program B1.3; B3.1; B6.1 (c)
9/23/2016 Integrating Atmospheric, Ecological, and Biogeochemical Monitoring in Wetlands B3.16
8/25/2016 ASO-CX-330 Development of the CSX Centrifugal Contactor System for Large-scale Solvent Extraction Applications in the Mining & Metals Industry. B3.6
7/19/2016 ASO-CX-329 Building 350 Legacy Project B1.16; B1.24; B1.28; B1.30
6/20/2016 ASO-CX-328 Tree Removals at Building 300 B1.3
6/20/2016 ASO-CX-327 Oak Tree Removal by Bldg 221 B1.3
1/14/2015 NEPA Categorical Exclusion: 01 14 15
* 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