Minn. R. agency 144, ch. 4731, TRANSPORTATION OF LICENSED MATERIAL, pt. 4731.0411

Current through Register Vol. 49, No. 29, 2025

Part 4731.0411 - GENERAL LICENSE; PLUTONIUM-BERYLLIUM SPECIAL FORM MATERIAL

Subpart 1.Transport of plutonium-beryllium.

A general license is issued to any licensee of the commissioner to transport fissile material in the form of plutonium-beryllium (Pu-Be) special form sealed sources, or to deliver Pu-Be sealed sources to a carrier for transport, if the material is shipped according to this part. The material need not be contained in a package that meets the requirements of part 4731.0412 and Code of Federal Regulations, title 10, sections 71.41 to 71.77; however, the material must be contained in a Type A package. The Type A package must also meet the DOT requirements of Code of Federal Regulations, title 49, section 173.417(a).

Subp. 2.Approved quality assurance program.

The general license issued under subpart 1 applies only to a licensee who has a quality assurance program approved by the NRC as complying with part 4731.0412 and Code of Federal Regulations, title 10, part 71, subpart H.

Subp. 3.Package contents.

The general license issued under subpart 1 applies only when a package's contents:

A. contain no more than a Type A quantity of radioactive material; and

B. contain less than 1,000 grams of plutonium, provided that plutonium-239, plutonium-241, or any combination of these radionuclides, constitutes less than 240 grams of total quantity of plutonium in the package.

Subp. 4.Packages labeled with criticality safety index.

The general license issued under subpart 1 applies only to packages labeled with a criticality safety index that:

A. has been determined according to subpart 5;

B. has a value less than or equal to 100; and

C. for a shipment of multiple packages containing Pu-Be sealed sources, the sum of the criticality safety indices must be less than or equal to 50 (for shipment on a nonexclusive use conveyance) and less than or equal to 100 (for shipment on an exclusive use conveyance).

Subp. 5.Criticality safety index.

A. The value for the criticality safety index must be greater than or equal to the number calculated by the following equation:

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B. The calculated criticality safety index must be rounded up to the first decimal place.

Minn. R. agency 144, ch. 4731, TRANSPORTATION OF LICENSED MATERIAL, pt. 4731.0411

29 SR 755; 32 SR 831

Statutory Authority: MS s 144.1202; 144.1203