Categorical Exclusion (CX) Determinations

Argonne Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
1/13/2015 NEPA Categorical Exclusion: 01 13 15
12/13/2013 NEPA Categorical Exclusion: 12 13 13
12/2/2010 ASO-CX-276 Sequence number not utilized
5/25/2016 NEPA Categorical Exclusion: 05 26 16 B1.19
3/15/2016 ASO-CCX-325 Indoor Bench-scale Research Operations and Conventional Laboratory Operations B3.6
9/1/2015 ASO-CX-320 Waggle-Sidewalk: Lightweight Sensors for Urban Environments B3.1
3/15/2016 NEPA Categorical Exclusion: 03 15 16 B3.1; B3.2
1/28/2016 Hands-on Operation of Countercurrent Centrifugal Contactors with In-Line/On-Line Instrumentation, ASO CX 323 B3.6
12/24/2015 ASO-CX-322 On Site Use of UASs for Research Applications and Site Inspections B3.2
12/8/2015 ASO-CX-321 200 Area Electrical Substation Expansion Facility 551 - Water Main Relocation B4.11
* 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