transportation of radioactive materials on passenger-carrying aircraft

transportation of radioactive materials on passenger-carrying aircraft Sec. 108. (a) General.—Within 120 days after the date of enactment of this section, the Secretary shall issue regulations, in accordance with this section and pursuant to section 105 of this title, with respect to the transportation of radioactive materials on any passenger-carrying aircraft in air commerce, as defined in section 101(4) of the Federal Aviation Act of 1958, as amended (49 U.S.C. 1301(4)). Such regulations shall prohibit any transportation of radioactive materials on any such aircraft unless the radioactive materials involved are intended for use in, or incident to, research, or medical diagnosis or treatment, so long as such materials as prepared for and during transportation do not pose an unreasonable hazard to health and safety. The Secretary shall further establish effective procedures for monitoring and enforcing the provisions of such regulations. (b) Definition.—As used in this section, “radioactive materials” means any materials or combination of materials which spontaneously emit ionizing radiation. The term does not include materials in which (1) the estimated specific activity is not greater than 0.002 microcuries per gram of material; and (2) the radiation is distributed in an essentially uniform manner.