Categorical Exclusion Determination
Office of NEPA Policy and Compliance
August 15, 2017The Test Reactor Area (TRA)-670 RadCon Hood (TRA H-31 US Government Property Identification Number 218090) is no longer in use and needs to be removed and disposed. The hood is located in TRA-670 Room 106 against the west wall. The change will include removing the hood and the HEPA filter housing and some additional exhaust duct modifications. Minor changes to Low-Pressure Demineralized Water (LDW), Warm Waste Drain, Compressed Air, Electrical Distribution, and Service Domestic Water systems will be required once the hood is removed i.e., isolating or capping service lines.