49 CFR § 176.715 - Contamination control.

---
identifier: "/us/cfr/t49/s176.715"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 176.715 - Contamination control."
title_number: 49
title_name: "Transportation"
section_number: "176.715"
section_name: "Contamination control."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "C"
subchapter_name: "HAZARDOUS MATERIALS REGULATIONS"
part_number: "176"
part_name: "CARRIAGE BY VESSEL"
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; 49 CFR 1.81 and 1.97."
regulatory_source: "Amdt. 176-1, 41 FR 16110, Apr. 15, 1976, unless otherwise noted."
cfr_part: "176"
---


# 176.715 Contamination control.

Each hold, compartment, or deck area used for the transportation of low specific activity or surface contaminated object Class 7 (radioactive) materials under exclusive use conditions in accordance with § 173.427(b)(4), or § 173.427(c) must be surveyed with appropriate radiation detection instruments after each use. Such holds, compartments, and deck areas may not be used again for Class 7 (radioactive) materials exclusive use transport service, and then only for a subsequent exclusive use shipment utilizing the provisions of § 173.427(b)(4), or § 173.427(c) until the radiation dose rate at every accessible surface is less than 0.005 mSv/h (0.5 mrem/h), and the non-fixed contamination is not greater than the limits prescribed in § 173.443(a) of this subchapter.

[79 FR 40618, July 11, 2014]