{"data":{"id":"us/49-cfr-173.424","jurisdiction":"us","citation":"49 CFR 173.424","heading":"Excepted packages for radioactive instruments and articles.","body":"A radioactive instrument or article and its packaging are excepted from requirements in this subchapter for specification packaging, labeling, marking (except for the UN identification number marking requirement described in § 173.422(a)), 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 activity of the instrument or article does not exceed the relevant limit listed in Table 4 in § 173.425;\n(c) The total activity per package does not exceed the relevant limit listed in Table 4 in § 173.425;\n(d) The radiation level at 10 cm (4 in) from any point on the external surface of any unpackaged instrument or article does not exceed 0.1 mSv/hour (10 mrem/hour);\n(e) The active material is completely enclosed by non-active components (a device performing the sole function of containing radioactive material shall not be considered to be an instrument or manufactured article);\n(f) The radiation level at any point on the external surface of a package bearing the article or instrument does not exceed 0.005 mSv/hour (0.5 mrem/hour), or, for exclusive use domestic shipments, 0.02 mSv/hour (2 mrem/hour);\n(g) The nonfixed (removable) radioactive surface contamination on the external surface of the package does not exceed the limits specified in § 173.443(a);\n(h) Except as provided in § 173.426, the package does not contain more than 15 g of uranium-235; and\n(i) The package is otherwise prepared for shipment as specified in § 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":"f9fee9b2826bd9a0e69ea62e00fcdb03bf11981d0600236b5961d5195c0a86a3","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-173.423","next":"us/49-cfr-173.425"},"notice":"GroundRules: Original legal text. Not legal advice."}