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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
173.448 - General transportation requirements.
(a) Each shipment of Class 7 (radioactive) materials must be secured to prevent shifting during normal transportation conditions.
(b) Except as provided in ?? 174.81, 176.83, and 177.848 of this subchapter, or as otherwise required by the Competent Authority in the applicable certificate, a package or overpack of Class 7 (radioactive) materials may be carried among packaged general cargo without special stowage provisions, if?
(1) The heat output in watts does not exceed 0.1 times the minimum package dimension in centimeters; or
(2) The average surface heat flux of the package or overpack does not exceed 15 watts per square meter and the immediately surrounding cargo is not in sacks or bags or otherwise in a form that would seriously impede air circulation for heat removal.
(c) Packages or overpacks bearing labels prescribed in ? 172.403 of this subchapter may not be carried in compartments occupied by passengers, except in those compartments exclusively reserved for couriers accompanying those packages.
(d) Mixing of different kinds of packages that include fissile packages is authorized only in accordance with ? 173.459.
(e) No person shall offer for transportation or transport aboard a passenger-carrying aircraft any single package or overpack with a transport index greater than 3.0.
(f) No person shall offer for transportation or transport aboard a passenger-carrying aircraft any Class 7 (radioactive) material unless that material is intended for use in, or incident to, research, medical diagnosis or treatment.
(g) If an overpack is used to consolidate individual packages or to enclose a single package of Class 7 (radioactive) materials, the package(s) must comply with the packaging, marking, and labeling requirements of this subchapter, and:
(1) The overpack must be labeled as prescribed in ? 172.403(h) of this subchapter;
(2) The overpack must be marked as prescribed in subpart D of part 172 of this subchapter and ? 173.25(a); and
(3) The transport index of the overpack may not exceed 3.0 for passenger-carrying aircraft shipments, or 10.0 for cargo-aircraft shipments.
[69 FR 3691, Jan. 26, 2004]
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