Code of Federal Regulations

Title 49 - Transportation
Volume: 2Date: 2021-10-01Original Date: 2021-10-01Title: Section 175.706 - Separation distances for undeveloped film from packages containing Class 7 (radioactive) materials.Context: Title 49 - Transportation. Subtitle B - Other Regulations Relating to Transportation. CHAPTER I - PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - HAZARDOUS MATERIALS REGULATIONS. PART 175 - CARRIAGE BY AIRCRAFT. Subpart C - Specific Regulations Applicable According to Classification of Material.
§ 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 § 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.
Code of Federal Regulations / Title 49 - Transportation / Vol. 2 / 2021-10-01872
Transport indexMinimum separation distance to nearest undeveloped film for various times in transitUp to 2 hoursMetersFeet2 to 4 hoursMetersFeet4 to 8 hoursMetersFeet8 to 12 hoursMetersFeetOver 12 hoursMetersFeet
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