This report documents the calendar year 2012 radionuclide air emissions and resulting effective dose equivalent to the maximally exposed individual member of the public from operations at the Department of Energys Idaho National Laboratory Site. This report was prepared in accordance with the Code of Federal Regulations, Title 40, Protection of the Environment, Part 61, National Emission Standards for Hazardous Air Pollutants, Subpart H, National Emission Standards for Emissions of Radionuclides Other than Radon from Department of Energy Facilities. The effective dose equivalent to the maximally exposed individual member of the public was 3.57 E-02 mrem per year, 0.36 percent of the 10 mrem per year standard.