49 C.F.R. § 175.703 Other special requirements for the acceptance and carriage of packages containing Class 7 (radioactive) materials.
Title 49 - Transportation
(a) No person may carry in an aircraft any package of Class 7 (radioactive) materials required by §172.403 of this subchapter to be labeled Radioactive Yellow-II or Radioactive Yellow-III closer than the distances shown in the following table to any package marked as containing undeveloped film: (b) No person may accept for carriage in an aircraft packages of Class 7 (radioactive) materials, other than limited quantities, contained in an overpack unless they have been prepared for shipment in accordance with §172.403(h) of this subchapter. (c) Each shipment of fissile material packages must conform to the requirements of §§173.457 and 173.459 of this subchapter. (d) No person shall offer or accept for transportation, or transport, by air— (1) Vented Type B(M) packages, packages which require external cooling by an ancillary cooling system or packages subject to operational controls during transport; or (2) Liquid pyrophoric Class 7 (radioactive) materials. (e) Packages with radiation levels at the package surface or a transport index in excess of the limits specified in §173.441(a) of this subchapter may not be transported by aircraft except under special arrangements approved by the Associate Administrator. [Amdt. 175–13, 45 FR 20102, Mar. 27, 1980, as amended by Amdt. 175–26, 48 FR 10245, Mar. 10, 1983; Amdt. 175–26, 48 FR 31220, July 7, 1983; Amdt. 175–29, 48 FR 50461, Nov. 1, 1983; Amdt. 175–47, 55 FR 52687, Dec. 21, 1990; Amdt. 175–53, 60 FR 50333, Sept. 28, 1995; 69 FR 3694, Jan. 26, 2004]
Title 49: Transportation
PART 175—CARRIAGE BY AIRCRAFT
Subpart C—Specific Regulations Applicable According to Classification of Material
§ 175.703 Other special requirements for the acceptance and carriage of packages containing Class 7 (radioactive) materials.
-------------------------------------------------------------------------------------------------------------------------------------------------------- Minimum separation distance to nearest undeveloped film for various times of transit ----------------------------------------------------------------------------------------- Transport index Up to 2 hours 2 to 4 hours 4 to 8 hours 8 to 12 hours Over 12 hours ----------------------------------------------------------------------------------------- Meters Feet Meters Feet Meters Feet Meters Feet Meters Feet--------------------------------------------------------------------------------------------------------------------------------------------------------0.1 to 1.0.................................................... 0.3 1 0.6 2 0.9 3 1.2 4 1.5 51.1 to 5.0.................................................... 0.9 3 1.2 4 1.8 6 2.4 8 3.3 115.1 to 10.0................................................... 1.2 4 1.8 6 2.7 9 3.3 11 4.5 1510.1 to 20.0.................................................. 1.5 5 2.4 8 3.6 12 4.8 16 6.6 2220.1 to 30.0.................................................. 2.1 7 3.0 10 4.5 15 6.0 20 8.7 2930.1 to 40.0.................................................. 2.4 8 3.3 11 5.1 17 6.6 22 9.9 3340.1 to 50.0.................................................. 2.7 9 3.6 12 5.7 19 7.2 24 10. 8 36--------------------------------------------------------------------------------------------------------------------------------------------------------
