49 C.F.R. § 173.431
Activity limits for Type A and Type B packages.
Cite as 49 C.F.R. § 173.431 (2026)
(a) Except for LSA material and SCO, a Type A package may not contain a quantity of Class 7 (radioactive) materials greater than A
1
for special form Class 7 (radioactive) material or A
2
for normal form Class 7 (radioactive) material as listed in § 173.435, or, for Class 7 (radioactive) materials not listed in § 173.435, as determined in accordance with § 173.433.
(b) The limits on activity contained in a Type B(U) or Type B(M) package are those prescribed in §§ 173.416 and 173.417, or in the applicable approval certificate under § 173.471, § 173.472 or § 173.473.
[Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, as amended at 69 FR 3677, Jan. 26, 2004]
- Cross-references to the CFR
- 173.416173.433.173.435173.471173.472173.473.