49 CFR § 175.706 - Separation distances for undeveloped film from packages containing Class 7 (radioactive) materials.

---
identifier: "/us/cfr/t49/s175.706"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 175.706 - Separation distances for undeveloped film from packages containing Class 7 (radioactive) materials."
title_number: 49
title_name: "Transportation"
section_number: "175.706"
section_name: "Separation distances for undeveloped film from packages containing Class 7 (radioactive) materials."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "C"
subchapter_name: "HAZARDOUS MATERIALS REGULATIONS"
part_number: "175"
part_name: "CARRIAGE BY AIRCRAFT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 5101-5128; 44701; 49 CFR 1.81 and 1.97."
regulatory_source: "71 FR 14604, Mar. 22, 2006, unless otherwise noted."
cfr_part: "175"
---


# 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.

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 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 |