Princeton Site Office CX Determinations Note: ARRA is the American Recovery and Reinvestment Act of 2009 Funded Projects. PSO CX Posting Statement Determination Date Name of Action: Description Categorical Exclusion Number 7/23/2021 Princeton Plasma Innovation Center (PPIC) 3/7/2021 Tritium System Demolition & Disposal (revised 11/30/2020) B1.23, B1.16 2/4/2020 Critical Infrastructure Recovery and Renewal (CIRR) B1.16, B1.17, B82.1, B1.31, B2.5, B85.4 1/29/2020 Ground Characterization in Support of Princeton Plasma Innovation Center B3.1 1/14/2020 Tritimn Svstem Demolition & Disposal B1.23, B1.16 6/26/2019 Re-transrillttal of Proposed NEP A Determination -Decomrillssioning and Repair of Groundwater Monitoring Wells B3.1 2/25/2019 Generic Categorical Exclusion: Bench-Scale Research Projects & Conventional Laboratory B3.6 2/21/2019 Generic Categorical Exclusion: Routine Maintenance Activities B1.4; B1.5; B1.6; B1.7; B1.11; B1.13; B1.15; B1.16; B1.17; B1.21; B1.22; B1.23; B1.27; B1.28; B1.31; B1.32; B2.1; B2.2; B2.3; B2.5; 4/30/2018 Stairway Egress and Safety Improvement B2.5 11/17/2017 Initial Fabrication & Start-Up of the Flowing Liquid Metal Torus (FLIT) B3.6 1 2 3