February 21, 2023
CX-028321: Cypress Yeti
N and HS personnel will be conducting 500KW generator testing over the course of the next two to three years with approximately 500 hours of operat…
September 7, 2022
CX-028318: TAN 1619 Production Support Facility Construction
The Specific Manufacturing Capability (SMC) has identified the need for design and construction of a modern facility (TAN-1619) to support existing…
March 22, 2022
CX-025757: Y12-NEPA-006-WM, Rev 0, Waste Management, Waste Minimization, Energy Conservation, Sustainability, and Pollution Prevention Activities, CY 2022 to CY 2024.
National Nuclear Security Administration (NNSA)’s proposed action is to perform the routine and necessary waste management, waste minimization, ene…
February 1, 2021
CX-270610: Construction and Operation of the Large Item Neutron Assay System
The U.S. Department of Energy (DOE) to perform alterations to a building and construct a support structure to house a Large Item Neutron Assay System
November 9, 2020
CX-022757: INTEC-Macroencapsulation/Overpack Operations in CPP-659, CPP-1617 and CPP-2725
The continued action will treat mixed low-level waste (MLLW) at the Idaho Nuclear Technology and Engineering Center (INTEC).…
August 5, 2020
CX-270534: Hazardous Waste Permit Modification to Create a Treatment and Storage Facility
NNSA proposes to use LANL, TA-60, Bldg 17, as a treatment and storage facility.
October 9, 2018
CX-019194: Removal of Drum Venting System from Transuranic Waste Pad 6
Categorical Exclusion Determination
January 10, 2017
CX-270306: INTEC - Reactivate CPP-2725 Resin Enclosure Tent for Waste Management Activities
Categorical Exclusion Determination
December 27, 2016
CX-016159: INTEC - Reactivate CPP-2725 Resin Enclosure Tent for Waste Management Activities
Categorical Exclusion Determination
December 7, 2016
CX-270297: INTEC - Reactivate CPP-2725 Resin Enclosure Tent for Waste Management Activities
Categorical Exclusion Determination