(NRC). A federal agency established in 1975 to regulate all commercial uses of atomic energy, including construction and operation of nuclear power plants, nuclear fuel reprocessing plants, and research applications of radioactive materials. It is also responsible for safety and environmental protection. Its offices are at One White Flint North, 11555 Rockville Pike, Rockville, Maryland 20852-2738.Website: http://www.nrc.gov.