December 7, 2023

CX-029499: Laydown Yard Expansion Project-TJSO-SC-23-01

This project involves the expansion of the existing laydown yard located adjacent to Building 64 (Fabric Storage building) in the southeastern port…

August 18, 2023

CX-028704: Extraction Line Burial at the Rifle, Colorado, Disposal Site

LM is proposing to bury the disposal cell leachate discharge pipelines at the Rifle, Colorado, Disposal Site located in Garfield County, to prevent…

June 26, 2023

CX-028373: Administrative Actions, Routine Operations, and Maintenance Activities at the Tuba City, Arizona, Disposal Site

LM is proposing to conduct administrative actions, routine operations, and maintenance activities at the Tuba City, Arizona, Disposal Site.…

May 23, 2023

CX-270696: Decontamination and Decommissioning Projects Contracted by the Naval Nuclear Laboratory

The Decontamination and Decommissioning Projects Contracted by the Naval Nuclear Laboratory will remediate, dismantle, and dispose of select above grade structures and select components associated with Building 4E (Auxiliary Equipment Building), Building

May 15, 2023

CX-028945: NERSC Facility Upgrade 2 and NERSC-10 HPC Installation and Operation (LB-CX-23-02)

The US Department of Energy (DOE) proposes to upgrade Bldg. 59 ("Shyh Wang Hall," formerly "CRT") at the Lawrence Berkeley National Laboratory (LBN…

March 15, 2023

CX-270691: Bettis Laboratory National Pollutant Discharge Elimination System (NPDES) Site-Wide Project

The proposed stormwater and industrial water improvements are designed to meet current industrial permit limits and prepare for future development at the Bettis Laboratory Site.

February 27, 2023

CX-027630: Retention pond drain replacement

Remove and replace the damaged retention pond drain system and clean out the accumulated debris within the pond.…

February 21, 2023

CX-028697: Routine Activities

The Western Area Power Administration (WAPA) Upper Great Plains Customer Service Region (UGP) routinely conducts activities that are part of the da…

January 18, 2023

CX-027436: NREL-23-005 STEP Operations - Golden, CO

The U.S. Department of Energy proposes to operate and maintain the South Table Mountain Energy Park (STEP) as part of the National Renewable Energy…

December 20, 2022

CX-270685: Knolls Laboratory Hillside Area (AOC-001) - H2-G2 Area Remediation Project

The Knolls Laboratory Hillside Area [Area of Concern (AOC)-001] - HG-G2 Area Remediation Project is being undertaken to remediate soil contaminated with volatile organic compounds including groundwater located between the former Building H2 and G2 footpri