Luminous safety devices for use in aircraft: Requirements for license to manufacture, assemble, repair or initially transfer.
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) Any quality control procedures proposed as alternatives to those prescribed by § 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 centimeter of absorber.
(d) The Commission determines that:
(1) The method of incorporation and binding of the tritium or promethium-147 in the device is such that the tritium or promethium-147 will not be released under the most severe conditions which are likely to be encountered in normal use and handling of the device;
(2) The tritium or promethium-147 is incorporated or enclosed so as to preclude direct physical contact by any person with it;
(3) The device is so designed that it cannot easily be disassembled; and
(4) The device has been subjected to and has satisfactorily passed the prototype tests prescribed by § 32.101, Schedule B, of this part.
[30 FR 8192, June 26, 1965, as amended at 33 FR 6463, Apr. 27, 1968; 43 FR 6923, Feb. 17, 1978]
Title 10 published on 2013-01-01
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