Categorical Exclusion Determination
Office of NEPA Policy and Compliance
May 16, 2017The purpose of this project is to permanently close and remove four underground fuel storage tanks. Two tanks will be removed at the Materials and Fuels Complex (MFC), a 2,500 gallon unleaded and a 2,500 gallon diesel underground storage tanks (USTs) [Facility ID # 6-120615/Tank ID # 99ANL00011 and 99ANL00012] and replaced with a 5,000 gallon aboveground storage tank (AST) split tank (2,500 gallons for diesel/2,500 gallons for unleaded). The UST removal and AST installation are located to the east of MFC-783. The new MFC tank will be a 10,000 gallon split AST. Aboveground fuel storage tanks are not regulated by the Idaho Department of Environmental Quality.