Categorical Exclusion (CX) Determinations

Argonne Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
4/20/2021 ASO-CX-383 Real-time Control of Urban Drainage Systems B3.1, B3.8
4/14/2021 ASO-CX-382 100-Gallon Fermenter Scale-Up Pilot B 3.6
1/21/2021 ASO-CX-381 Radiological Assistance Program facility relocation B1.3, B1.15, B1.31, B 3.1
12/10/2020 ASO-CX-380 EC BioSALTS and Exchange Offsite Fieldwork B3.1, B3.3, B3.8
12/7/2020 ASO-CX-379 Argonne Utilities Upgrade B1.3, B1.5, B 5.4
11/17/2020 ASO-CX-378 Argonne Share of Next Generation Nanoscience Capabilities at the Nanoscale Science Research Centers B 1.3, B 3.15
11/9/2020 ASO-CX-377 Site Security Upgrade-Entry Exit Gates B 1.15, B 1.11, B 1.32, B 1.33
10/29/2020 ASO-CX-376 Ecosystem Biogeochemistry - Field Research B 3.8
9/2/2020 ASO-CX-375 Buildings 389B and 390 D&D Project B 1.23
2/20/2020 ASO-CX-371 Versatile Test Reactor Hydraulic Loop B 3.6
* 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