Minn. R. agency 144, ch. 4731, INDUSTRIAL RADIOGRAPHY, pt. 4731.4040

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

Part 4731.4040 - LIMITS ON EXTERNAL RADIATION LEVELS

The maximum exposure rate limits for storage containers and source changers are 200 millirems (2 mSv) per hour at any exterior surface, and ten millirems (0.1 mSv) per hour at one meter from any exterior surface with the sealed source in the shielded position.

Minn. R. agency 144, ch. 4731, INDUSTRIAL RADIOGRAPHY, pt. 4731.4040

29 SR 755

Statutory Authority: MS s 144.1202; 144.1203