[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR175.706] [Page 740] TITLE 49--TRANSPORTATION CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 175_CARRIAGE BY AIRCRAFT--Table of Contents Subpart C_Specific Regulations Applicable According to Classification of Material Sec. 175.706 Separation distances for undeveloped film from packages containing Class 7 (radioactive) materials. No person may carry in an aircraft any package of Class 7 (radioactive) materials required by Sec. 172.403 of this subchapter to be labeled Radioactive Yellow-II or Radioactive Yellow-III closer than the distances shown in the table below to any package marked as containing underdeveloped film. -------------------------------------------------------------------------------------------------------------------------------------------------------- Minimum separation distance to nearest undeveloped film for various times in 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 5 1.1 to 5.0........................................ 0.9 3 1.2 4 1.8 6 2.4 8 3.3 11 5.1 to 10.0....................................... 1.2 4 1.8 6 2.7 9 3.3 11 4.5 15 10.1 to 20.0...................................... 1.5 5 2.4 8 3.6 12 4.8 16 6.6 22 20.1 to 30.0...................................... 2.1 7 3 10 4.5 15 6 20 8.7 29 30.1 to 40.0...................................... 2.4 8 3.3 11 5.1 17 6.6 22 9.9 33 40.1 to 50.0...................................... 2.7 9 3.6 12 5.7 19 7.2 24 10.8 36 --------------------------------------------------------------------------------------------------------------------------------------------------------