{"data":{"id":"us/49-cfr-173.421","jurisdiction":"us","citation":"49 CFR 173.421","heading":"Excepted packages for limited quantities of Class 7 (radioactive) materials.","body":"A Class 7 (radioactive) material with an activity per package which does not exceed the limited quantity package limits specified in Table 4 in § 173.425, and its packaging, are excepted from requirements in this subchapter for specification packaging, marking (except for the UN identification number marking requirement described in § 173.422(a)), labeling, and if not a hazardous substance or hazardous waste, shipping papers, and the requirements of this subpart if:\n(a) Each package meets the general design requirements of § 173.410;\n(b) The radiation level at any point on the external surface of the package does not exceed 0.005 mSv/h (0.5 mrem/h);\n(c) The non-fixed contamination on the external surface of the package does not exceed the limits specified in § 173.443(a);\n(d) The outside of the inner packaging or, if there is no inner packaging, the outside of the packaging itself bears the marking “Radioactive;”\n(e) The package does not contain fissile material unless excepted by § 173.453; and\n(f) The material is otherwise prepared for shipment as specified in accordance with § 173.422.","path":["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 173—SHIPPERS—GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS","Subpart I—Class 7 (Radioactive) Materials"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"2a4856dc5974951835b1552e55c0edbd91ee0f23060e9fb275080bc8b6a9632e","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-173.420","next":"us/49-cfr-173.422"},"notice":"GroundRules: Original legal text. Not legal advice."}