Luminous safety devices for use in aircraft: Requirements for license to manufacture, assemble, repair or initially transfer.
CFR · 2024-01-01 · US · Title 10
An application for a specific license to manufacture, assemble, repair or initially transfer luminous safety devices containing tritium or promethium-147 for use in aircraft, for distribution to persons generally licensed under § 31.7 of this chapter, will be approved if: (a) The applicant satisfies the general requirements specified in § 30.33 of this chapter; (b) The applicant submits sufficient information regarding each device pertinent to evaluation of the potential radiation exposure, including: (1) Chemical and physical form and maximum quantity of tritium or promethium-147 in each device; (2) Details of construction and design; (3) Details of the method of binding or containing the tritium or promethium-147; (4) Procedures for and results of prototype testing to demonstrate that the tritium or promethium-147 will not be released to the environment under the most severe conditions likely to be encountered in normal use; (5) Quality assurance procedures to be followed that are sufficient to ensure compliance with § 32.55; (6) Any additional information, including experimental studies and tests, required by the Commission to facilitate a determination of the safety of the device. (c) Each device will contain no more than 10 curies of tritium or 300 millicuries of promethium-147. The levels of radiation from each device containing promethium-147 will not exceed 0.5 millirad per hour at 10 centimeters from any surface when measured through 50 milligrams per square centimet
official document · source cfr-2024 · id 10:§ 32.53