Categorical Exclusion (CX) Determinations

Berkeley Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
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
7/24/2019 Lease Renewals, 6401 Hollis Street, Emeryville, California and 717 Potter Street, Berkeley, California, Lawrence Berkeley National Laboratory (LB-CX-19-06) B1.24, B3.6, A9
7/9/2019 Building 28 Verizon Cellular Enhancement Project--LB-CX-19-05 B1.24, B1.7, B1.19, B1.31
6/25/2019 Seismic Safety and Modernization Project, Lawrence Berkeley National Laboratory (LB-CX-19-04) B1.13, B1.15, B1.6, B1.23, B1.24, B1.27, B1.28, B1.33, B1.34, B2.5, B3.1.
2/27/2019 Parcel 1 Cleanup Project and BioEPIC Project, Lawrence Berkeley National Laboratory (LB-CX-19-03) B1.6; B1.7 ; B1.23 ; B1.27 ; B1.28 ; B1.30 ; B1.33 ; B1.34 ; B2.5 ; B3.1 ; B5.3 ; B6.1 ; B1.15 ; B1.24 ; B1.31 ; B1.33 ; B3.6 ; B3.12 ; A1 ; A2
12/19/2018 LB-CX-19-01 Condominium Lease B1.24
12/19/2018 LB CX-19-02 Sacramento Office Space Lease B1.24, A9, A11
5/30/2018 LB-CX-18-02 ALS-U Installation and Operation at the Lawrence Berkeley National Laboratory B1.6, B1.7, B1.23, B1.31, B2.5, B3.6, B3.10
* 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