R 333.5010 Definitions; R.

Rule 10. (1) "Radiation" means ionizing radiation. Radiation, as used in these rules, does not include non-ionizing radiation, such as radiowaves or microwaves, visible, infrared, or ultraviolet light. (2) "Radiation area" means an area, accessible to individuals, in which radiation levels could result in an individual receiving a dose equivalent in excess of 0.05 mSv (5 mrem) in 1 hour at 30 centimeters from the source of radiation or from any surface that the radiation penetrates. (3) "Radiation machine" means a machine that emits ionizing radiation when energized. (4) "Radiation protection supervisor" means the individual specified by the registrant who has the knowledge, authority, and responsibility for radiation protection. (5) "Registrant" means a person who is registered with the department and is legally obligated to register with the department pursuant to these rules and the act. (6) "Registration" for the purpose of these rules means registration of a radiation machine in writing with the department. (7) "Research and development" means 1 of the following: (a) Theoretical analysis, exploration, or experimentation. (b) The extension of investigative findings and theories of a scientific or technical nature into practical application for experimental and demonstration purposes, including the experimental production and testing of models, devices, equipment, materials, and processes. Research and development does not include the internal or external administration of radiation to human beings. (8) "Restricted area" means an area, access to which is limited by the registrant, for the purpose of protecting individuals against undue risks from exposure to sources of radiation. Restricted area does not include areas used as residential quarters, but separate rooms in a residential building may be set apart as a restricted area. (9) "Roentgen" means the special unit of exposure. One roentgen (R) equals 2.58 x 10-4 coulombs per kilogram of air.