District of Columbia Code Division I. Government of District. § 8-1551. Definitions.

(1) “Ionizing radiation” means alpha particles, beta particles, gamma rays, x-rays, high-speed electrons, high-speed protons, neutrons, and other particles capable of producing ions.

(2) “Ionizing radiation machine or equipment” means a radiation machine or equipment that is capable of producing ionizing radiation.

(3) “Nonionizing radiation” means electromagnetic radiation, other than ionizing radiation.

(4) “Nonionizing radiation medical machine or equipment” means:

(5) “Person” includes corporations, companies, associations, firms, partnerships, societies, and joint stock companies, individuals, and governmental entities;  except, that the term shall not include the federal government.

(6) “Radiation” means ionizing radiation and nonionizing radiation;  except, that the term shall not include nuclear radiation regulated by the Nuclear Regulatory Commission or a successor thereto.

(7) “Radiation machine facility” means a location, vehicle, building, or complex where an ionizing radiation machine or equipment or a regulated nonionizing radiation medical machine or equipment is installed, located, or used.  The term radiation machine facility does not include a location, building, or complex where the only ionizing machine or equipment present is a cabinet x-ray system, metal detector, or other machine or equipment used solely for security screening.

(8) “Radiation machine or equipment” means a device that is capable of producing radiation;  except, that the term does not include a device that produces radiation only by the use of radioactive material.

(9) “Radioactive material” means any material, including a solid, liquid, or gas, that emits ionizing radiation spontaneously.

(10) “Radioactive waste” means any non-useful material that is contaminated with radioactive material that emits gamma or beta radiation and registers above normal background levels.

(11) “Supplier” means a person who makes, sells, leases, repairs, lends, transfers, or installs medical or dental x-ray equipment for use in the District.