Categorical Exclusion (CX) Determinations

Berkeley Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
4/8/2016 Building 59 Upgrade and NERSC Upgrades, Installation, and Operation LB-CX-16-01 B1.5; B1.15; B1.31; B1.7
9/28/2015 NEPA Categorical Exclusion: 09 28 15 B1.24; B3.6
9/15/2015 NEPA Categorical Exclusion: 09 15 15 B1.24; B3.6
5/8/2015 NEPA Categorical Exclusion: 05 08 15 B1.15; B1.31; B3.6
4/21/2015 NEPA Categorical Exclusion: 04 21 15 B1.24; B3.6; B3.15; B1.15; B1.33; B3.12
3/24/2015 NEPA Categorical Exclusion: 03 24 15 B1.24; B3.6
11/25/2014 Mid-Scale Dark Energy Spectroscopic Instrument (DESI) (LB-CX-15-02) B3.6; B1.31
11/14/2014 Lease Extensions to Continue Research Operations at 717 Potter Street, Berkeley, CA B1.24; B3.6; B3.12; B3.15
7/29/2014 NEPA Categorical Exclusion: 07 29 14 B1.24
6/17/2014 NEPA Categorical Exclusion: 06 17 14 B1.24
* 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