{"operation":"document","citation":"49 CFR 173.424","title":"Excepted packages for radioactive instruments and articles.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"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, shippin","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-173-424.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-173-424.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-173-424","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-173.424","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\n(a) Each package meets the general design requirements of § 173.410;\n\n(b) The activity of the instrument or article does not exceed the relevant limit listed in Table 4 in § 173.425;\n\n(c) The total activity per package does not exceed the relevant limit listed in Table 4 in § 173.425;\n\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\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\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\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\n(h) Except as provided in § 173.426, the package does not contain more than 15 g of uranium-235; and\n\n(i) The package is otherwise prepared for shipment as specified in § 173.422.\n\n[69 FR 3675, Jan. 26, 2004]","truncated":false,"body_characters":1613}