46 CFR § 147.100 - Radioactive materials.

---
identifier: "/us/cfr/t46/s147.100"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 147.100 - Radioactive materials."
title_number: 46
title_name: "Shipping"
section_number: "147.100"
section_name: "Radioactive materials."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "N"
subchapter_name: "DANGEROUS CARGOES"
part_number: "147"
part_name: "HAZARDOUS SHIPS' STORES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.4."
regulatory_source: "CGD 84-044, 53 FR 7749, Mar. 10, 1988, unless otherwise noted."
cfr_part: "147"
---


# 147.100 Radioactive materials.

(a) Radioactive materials must not be brought on board, used in any manner, or stored on the vessel, unless the use of the materials is authorized by a current license issued by the Nuclear Regulatory Commission (NRC) under 10 CFR parts 30 and 34.

(b) Stowage of radioactive materials must conform to the requirements of the NRC license.