Categorical Exclusion Determinations: B5.2

National Nuclear Security Administration’s proposed action is to perform the necessary and routine analytical laboratory operation, research and de…

National Nuclear Security Administration’s (NNSA) proposed action is to perform the necessary and routine administrative actions, training exercise…

The primary scope of this project is to replace the existing Materials and Fuels Complex (MFC) industrial wastewater pipeline flume with a new flum…

HMIS Annual Categorical Exclusion (CX) B5.2, Modifications to Pumps and Piping for CY 2022…

MSA/HMIS to perform modifications to existing pump and piping configurations (including, but not limited to, manifolds, metering systems, and other…

This project replaces the existing, retired #4 Boiler, located in the boiler house (Kesselring Site (KS) Building 8), with a new boiler and sub-syste

Two seismic surface techniques, Microtremor Array Measurements (MAM) and Multi-channel Analysis of Surface Waves (MASW), use non-invasive methods t…

The purpose of this revision is to capture the addition of 2 new water tanks (T1 and T2) and a hose, which will be placed next to the USGS-102 well…

The Mission Support Contractor (MSC) and its subcontractors perform modifications to existing pump and piping configurations (including, but not li…

Award Number: DE-EE0008644, CX(s) Applied: A9, B2.2, B1.31, B5.1, B5.2, State Energy Program, Location(s): CO, Office(s): Golden Field Office