Code of Federal Regulations

Title 49 - Transportation
Volume: 2Date: 2020-10-01Original Date: 2020-10-01Title: 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.
Code of Federal Regulations / Title 49 - Transportation / Vol. 2 / 2020-10-01866
§ 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.
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