Montana Title 50. Health and Safety § 50-79-104. Exemptions--sources, diagnosis, and therapy

(a) electrical equipment that is not intended primarily to produce radiation and that, by nature of design, does not produce radiation at the point of nearest approach at a weekly rate higher than one-tenth the appropriate limit for any critical organ exposed. The production testing or production servicing of such equipment is not exempt.

(b) radiation machines during process of manufacture or in storage or transit;

(c) any radioactive material while being transported in conformity with regulations adopted by the nuclear regulatory commission or any successor thereto or the interstate commerce commission and specifically applicable to the transportation of such radioactive materials.