View all text of Subpart I [§ 173.401 - § 173.477]
§ 173.418 - Authorized packages—pyrophoric Class 7 (radioactive) materials.
Pyrophoric Class 7 (radioactive) materials, as referenced in the § 172.101 table of this subchapter, in quantities not exceeding A
(a) In solid form and must not be fissile unless excepted by § 173.453;
(b) Contained in sealed and corrosion resistant receptacles with positive closures (friction or slip-fit covers or stoppers are not authorized);
(c) Free of water and contaminants that would increase the reactivity of the material; and
(d) Inerted to prevent self-ignition during transport by either—
(1) Mixing with large volumes of inerting materials, such as graphite, dry sand, or other suitable inerting material, or blended into a matrix of hardened concrete; or
(2) Filling the innermost receptacle with an appropriate inert gas or liquid.
(e) Pyrophoric Class 7 (radioactive) materials transported by aircraft must be packaged in Type B packages.