Categorical Exclusion (CX) Determinations

Argonne Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
1/25/2011 ASO-CX-279 Generic Categorical Exclusion: Environment Characterization and Monitoring B3.1
1/24/2011 ASO-CX-277 Midwest Photovoltaics Analysis Facility at the Tollway B3.6
12/1/2010 ASO-CX-275 Superconducting Cavity Surface Processing Facility B3.6
11/3/2010 ASO-CX-274 Ultra Fast Boriding for Improved Efficiency B3.6
10/1/2010 ASO-CX-273 NOvA Neutrino Experiment Construction Project B3.6; B3.8
9/2/2010 ASO-CX-272 Removal of Building 370 FELIX Magnet B3.6
8/26/2010 ASO-CX-269 Generic Categorical Exclusion: Routine Grounds and Maintenance Activities B1.3; B1.11; B1.15
9/1/2010 ASO-CX-271 Demolition and Recycling of the SIX Tesla Superconducting Dipole Magnet System B3.6
4/6/2010 ASO-CX-267 Enhanced Energy Storage Facilities to Support Expanding DOE Program B3.6
8/20/2010 ASO-CX-270 Construction and Operation of Material Engineering Facility B3.6
* 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