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(B) includes a radiation machine and radioactive material;
(68) “radioactive material” means a material, solid, liquid, or gas that emits ionizing radiation spontaneously;
(69) “radiographer” means an individual who performs, or who, in attendance at a site where ionizing radiation sources are being used, personally supervises industrial radiographic operations;
(70) “radiographer’s assistant” means an individual who uses ionizing radiation sources, related handling tools, or survey instruments in industrial radiography under the personal supervision of a radiographer;
(71) “radionuclide” has the meaning given in AS 18.60.545;
(72) registrant" means an individual who has registered a radiation source under this chapter;
(73) “rem” means the special unit of any of the quantities expressed as dose equivalent, and which the dose equivalent in rems is equal to the absorbed dose in rads multiplied by the quality factor;
(74) “roentgen” means an amount of X-radiation or gamma radiation in which the associated corpuscular emission per 0.001293 grams of air produces in air ions carrying one electrostatic unit of quantity of electricity of either sign;
(75) “restricted area”
(A) means an area that access is limited by the registrant for the purpose of protecting individuals against undue risks from exposure to radiation and radioactive materials;
(B) does not include an area used as residential quarters, except that separate rooms in a residential building may be set apart as a restricted area;
(76) “scattered radiation” means radiation that has been deviated in direction during passage through matter;
(77) repealed 7/1/2015;
(78) “secondary protective barrier” means a barrier sufficient to attenuate stray radiation to a required degree;
(79) “shallow-dose equivalent” means the dose equivalent at a tissue depth of 0.007 centimeter and applies to the external exposure of the skin of the whole body or the skin of an extremity;
(80) “shallow-dose equivalent maximum extremity” means the dose equivalent at a tissue depth of 0.007 centimeter and applies to the maximum external exposure of the skin of an extremity;