December 12, 2023

CX-029694: HMIS Annual Categorical Exclusion

Hanford Mission Integration Solutions (HMIS) and their subcontractors perform siting, construction, modification, expansion, operation, and decommi…

August 1, 2023

CX-028475: Routine Administrative, Operations, and Maintenance Activities at Legacy Management Business Center in Morgantown, West Virginia

Proposed activities would include administrative records storage and maintenance and routine operations and maintenance of equipment and assets.…

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…

December 13, 2022

CX-027328: HMIS Annual Categorical Exclusion (CX) B6.4, Facilities for Storing Packaged Hazardous Waste for 90 Days or Less for CY 2023

Hanford Mission Integration Solutions (HMIS) and their subcontractors perform siting, construction, modification, expansion, operation, and decommi…

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…

October 6, 2021

CX-024731: HMIS Annual Categorical Exclusion (CX) B6.4, Facilities for Storing Packaged Hazardous Waste for 90 Days or Less for CY 2022

HMIS Annual Categorical Exclusion (CX) B6.4, Facilities for Storing Packaged Hazardous Waste for 90 Days or Less for CY 2022…

December 12, 2020

CX-022933: Facilities for Storing Packaged Hazardous Waste for 90 Days or Less for CY 2021

MSA/HMIS to perform siting, construction, modification, expansion, operation, and decommissioning of an onsite facility for storing packaged hazard…

December 11, 2019

CX-021120: MSC Annual Categorical Exclusion (CX) B6.4, Facilities for Storing Packaged Hazardous Waste for 90 Days or Less for CY 2020

The Mission Support Contractor (MSC) and its subcontractors perform siting, construction, modification, expansion, operation, and decommissioning o…

December 9, 2019

CX-021023: Ongoing Operations and Routine Actions at the Legacy Management Business Center (LMBC)

DOE LM is proposing to conduct the following ongoing operations activities and routine maintenance actions at the DOE LMBC, a U.S. General Services…