Categorical Exclusion (CX) Determinations

Determination Date	Name of Action: Description	Categorical Exclusion Number
10/21/2021	Linear Assets Modernization Project (LB-CX-22-02)	B1.3 ; B1.16 ; B1.17 ; B1.23 ; B1.33 ; B1.31 ; B4.6 ; B4.7 ; B4.10 ; B4.11 ; B4.13 ; B5.4 ; B5.5 ;
10/7/2021	2021 Backup Generators Project (LB-CX-21-08)	B.21; B2.5; B4.6
10/13/2021	Building 7 Tensile Structure --LB-CX-22-01	B1.15; B1.31; B1.23
9/10/2021	Load CX Determination- Stanford Research Computer Facility II (SS-SC-22-01)	B1.15
7/21/2021	Mechanical Plant Maintenance Upgrades (LB-CX-21-06)	B1.16 , B1.17, B1.31, B1.34, B1.3, B1.33
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

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* Implicit in CX determinations are the following:

There are no extraordinary circumstances related to the proposed action that may affect the significance of the environmental effects of the proposed action.
The proposed action is not “connected” to other actions with potentially significant impacts.
The proposed action is not related to other proposed actions with cumulatively significant impacts.
The proposed action is not precluded by 40 CFR 1506.1 or 10 CFR 1021.211.
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

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