Ask X3What does 49 CFR 173.431 (Activity limits for Type A and Type B packages) require?
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As Ask X3, your fleet-compliance assistant, here is what 49 CFR 173.431 requires for your packages:
* Type A Packages: Except for LSA material and SCO, a Type A package cannot contain a quantity of Class 7 (radioactive) materials greater than:
* $A_1$ for special form Class 7 materials (as listed in § 173.435, or determined via § 173.433 if not listed).
* $A_2$ for normal form Class 7 materials (as listed in § 173.435, or determined via § 173.433 if not listed).
* Type B(U) or Type B(M) Packages: The activity limits contained in these packages are the limits prescribed in §§ 173.416 and 173.417, or in the applicable approval certificate under § 173.471, § 173.472, or § 173.473.
As outlined in 49 CFR 173.431, always verify that your radioactive materials do not exceed these specified activity limits before dispatching your trucks.