Categorical Exclusion (CX) Determinations

Ames Site Office Categorical Exclusion (CX) Determinations

Determination Date Name of Action: Description Categorical Exclusion Number
9/3/2024 Generic CX: Operation and Maintenance of the Ames National Laboratory (Replaces Generic CX dated 2/2/2023) B1.3, B1.4, B1.5, B1.6, B1.7, B1.8, 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, B2.3, B2.5, B5.1
1/2/2023 Generic CX: Operation and Maintenance of the Ames National Laboratory B1.3, B1.4, B1.5, B1.6, B1.7, B1.8, 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, B2.3, B2.5, B5.1
7/25/2018 NEPA Categorical Exclusion: 07 25 18 2 B3.6
7/25/2018 NEPA Categorical Exclusion: 07 25 18 Various
7/10/2013 NEPA Categorical Exclusion: Sensitive Instrument Facility B3.6
6/3/2013 NEPA Categorical Exclusion: 06 03 13 1 B.18; B.19; B.20; B.22; B.24; B.26; B.28; B.30; B.31; B.34
6/3/2013 NEPA Categorical Exclusion: 06 03 13 2 B.20; B.22; B.24; B.25; B.28; B.30; B.31; B.32; B.34;