Minn. R. agency 144, ch. 4731, INDUSTRIAL RADIOGRAPHY, pt. 4731.4050

Current through Register Vol. 49, No. 23, December 2, 2024

Part 4731.4050 - LOCKING OF RADIOGRAPHIC EXPOSURE DEVICES, STORAGE CONTAINERS, AND SOURCE CHANGERS

Subpart 1.Radiographic exposure devices.

A. A radiographic exposure device must have a lock or outer locked container designed to prevent unauthorized or accidental removal of the sealed source from its shielded position.

B. The exposure device and its container must be kept locked, and if a keyed lock, with the key removed at all times, when not under the direct surveillance of a radiographer or a radiographer's assistant, except at permanent radiographic installations according to part 4731.4190.

C. During radiographic operations, the sealed source assembly must be secured in the shielded position each time the source is returned to that position.

Subp. 2.Storage containers and source changers.

A sealed source storage container and source changer must:

A. have a lock or outer locked container designed to prevent unauthorized or accidental removal of the sealed source from its shielded position; and

B. be kept locked, and if a keyed lock, with the key removed at all times, when containing sealed sources, except when under the direct surveillance of a radiographer or a radiographer's assistant.

Minn. R. agency 144, ch. 4731, INDUSTRIAL RADIOGRAPHY, pt. 4731.4050

29 SR 755

Statutory Authority: MS s 144.1202; 144.1203