Authorized Type B packages.

Each of the following packages is authorized for shipment of quantities exceeding A1 or A2, as appropriate:

(a) Any Type B, Type B(U) or Type B(M) packaging that meets the applicable requirements of 10 CFR part 71 and that has been approved by the U.S. Nuclear Regulatory Commission may be shipped pursuant to § 173.471.

(b) Any Type B, B(U) or B(M) packaging that meets the applicable requirements of the regulations of the International Atomic Energy Agency (IAEA) in its “Regulations for the Safe Transport of Radioactive Material, Safety Series No. 6” (incorporated by reference, see § 171.7 of this subchapter) and for which the foreign competent authority certificate has been revalidated by DOT pursuant to § 173.473. These packagings are authorized only for export and import shipments.

(c) DOT Specification 6M (§ 178.354 of this subchapter) metal packaging, only for solid or gaseous Class 7 (radioactive) materials that will not undergo pressure-generating decomposition at temperatures up to 121 °C (250 °F) and that do not generate more than 10 watts of radioactive decay heat.

(d) For contents in other than special form; DOT Specification 20WC (§ 178.362 of this subchapter), wooden protective jacket, when used with a single, snug-fitting inner DOT Specification 2R (§ 178.360 of this subchapter). For liquid contents, the inner packaging must conform to § 173.412(j) and (k).

(e) For contents in special form only; DOT Specification 20WC (§ 178.362 of this subchapter), wooden protective jacket, with a single snug-fitting inner Type A packaging that has a metal outer wall and conforms to § 178.350 of this subchapter. Radioactive decay heat may not exceed 100 watts.

(f) For contents in special form only; DOT Specification 21WC (§ 178.364 of this subchapter), wooden protective overpack, with a single inner DOT Specification 2R (§ 178.360 of this subchapter). Contents must be loaded within the inner packaging in such a manner as to prevent loose movement during transportation. The inner packaging must be securely positioned and centered within the overpack so that there will be no significant displacement of the inner packaging if the overpack containing it is subjected to the 9 m (30 feet) drop test described in 10 CFR part 71.

[Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, as amended by 63 FR 52849, Oct. 1, 1998; 66 FR 45380, Aug. 28, 2001; 67 FR 61014, Sept. 27, 2002]