An unapproved chemical oxygen generator with only one positive means of preventing unintentional actuation of the generator, and without the required approval number marked on the outside of the package, may be transported by motor vehicle, railcar, and cargo vessel only under the following conditions: (ii) The contents of the generator have been expended. (i) The manufacturer's expiration date or (2) A chemical oxygen generator is forbidden for transportation by both passenger-carrying and cargo-only aircraft after: (1) A chemical oxygen generator is forbidden for transportation on board a passenger-carrying aircraft. (f) Items forbidden in air transportation. The outside surface of equipment containing a chemical oxygen generator that is not readily apparent (e.g., a sealed passenger service unit) must be clearly marked to indicate the presence of the oxygen generator (example: “Oxygen Generator Inside”). The outside surface of a chemical oxygen generator must be marked to indicate the presence of an oxygen generator (e.g., “oxygen generator, chemical”).
(ii) The Thermal Resistance Test specified in appendix D to part 178 of this subchapter. (i) The Flame Penetration Resistance Test specified in appendix E to part 178 of this subchapter. (2) With its contents, is capable of meeting the following additional requirements when transported by cargo-only aircraft: (ii) The performance criteria in Air Transport Association (ATA) Specification No. (i) Part 178, subparts L and M, of this subchapter at the Packing Group I or II performance level or (1) Conforms to the requirements of either: A chemical oxygen generator and a chemical oxygen generator installed in equipment, (e.g., a PBE) must be placed in a rigid outer packaging that. (2) A chemical oxygen generator installed in a PBE must contain a pin installed so as to prevent the actuator from striking the primer, and be placed in a protective bag, pouch, case or cover such that the protective breathing equipment is fully enclosed in such a manner that the protective bag, pouch, case or cover prevents unintentional actuation of the oxygen generator. (iii) Devices with a primer but no actuator: A chemical oxygen generator that has a primer but no actuating mechanism must have a protective cover over the primer to prevent actuation from external impact. (ii) Electrically actuated devices: The electrical leads must be mechanically shorted and the mechanical short must be shielded in metal foil. (C) A cover securely installed over the primer and a pin installed so as to prevent the actuator from striking the primer and cover. (B) One pin and one retaining ring, each installed so that each is independently capable of preventing the actuator from striking the primer or (A) Two pins, installed so that each is independently capable of preventing the actuator from striking the primer (1) A chemical oxygen generator that is not installed in protective breathing equipment (PBE): A chemical oxygen generator must incorporate one of the following means of preventing inadvertent actuation: (c) Protection against inadvertent actuation. A chemical oxygen generator, without any packaging, must be capable of withstanding a 1.8 meter drop onto a rigid, non-resilient, flat and horizontal surface, in the position most likely to cause actuation or loss of contents. A chemical oxygen generator that is shipped with an explosive or non-explosive means of initiation attached must be classed and approved by the Associate Administrator in accordance with the procedures specified in § 173.56 of this subchapter. An oxygen generator, chemical (defined in § 171.8 of this subchapter) may be transported only under the following conditions:
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