Categorical Exclusion (CX) Determinations

Berkeley Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
3/18/2021 ALS-U Warehouse Lease at 2100 Atlas Road, Richmond, California; or 1955 North Loop Road, Alameda, California; Lawrence Berkeley National Laboratory (LB-CX-21-04) B1.24
7/13/2020 Switch Station SW-A6 Backup Generation Pilot Project (LB-CX-20-04) B2.5, B4.6, B4.11
8/19/2020 Lease Amendment and Operation of Advanced Biofuels Process Development Unit, California, Lawrence Berkeley National Laboratory (LB-CX-20-05) B1.24, B3.6
4/7/2020 Grizzly Peak Substation Modification (LB-CX-20-03) B1.16, B1.17, B1.23, B1.31, B1.34, B4.11
1/28/2020 Lease Renewals, Suites 100, 300, and 400 at 717 Potter Street, Berkeley, California, Lawrence Berkeley National Laboratory (LB-CX-20-02) B1.24, B3.6, A9
1/8/2020 Energy-Water Desalination Program A1, A2, A9, B3.6, B3.15
11/7/2019 Housing Lease in Deadwood, South Dakota: LB-CX-20-01 B1.24
10/10/2019 Supplement Analysis to SLAC LCLS-II Environmental Assessment, DOE/EA-1975, July 2014
6/27/2019 Large Scale Collaboration Center (LSCC) SS-SC-19-01 AMMENDED B1.15, B1.23
9/24/2019 Title: Bldg 5. Short-Term Tensile Structure LB-CX-19-07 B1.24, B1.15, B1.31, B1.23
* 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