Categorical Exclusion Determination
Office of NEPA Policy and Compliance
February 21, 2017The emergency diesel generators and associated Department of Environmental Quality (DEQ) regulated underground diesel storage tanks (600 gallon [DEQ Facility ID # 6-100723/Tank ID # 98IRC00007] and 2500 gallon [DEQ Facility ID # 6-100725/Tank ID # 98IRC00008]) along with associated underground fuel piping located at the Idaho National Laboratory (INL) Research Center (IRC) will be replaced with new emergency generators and above ground fuel storage tanks. The generators and underground fuel storage tanks are located at IRC 602 and IRC-603. The proposed action would permanently close both underground fuel storage tanks (USTs) as required by the DEQ.