Minn. R. agency 144, ch. 4731, INDUSTRIAL RADIOGRAPHY, pt. 4731.4190
Current through Register Vol. 49, No. 29, 2025
During a radiographic operation, the radiographer, or the other individual present as required under part 4731.4120, must maintain continuous direct visual surveillance of the operation to protect against unauthorized entry into a high radiation area except at permanent radiographic installations where all entryways are locked and the requirements under part 4731.4100 are met.
Minn. R. agency 144, ch. 4731, INDUSTRIAL RADIOGRAPHY, pt. 4731.4190
Statutory Authority: MS s 144.1202; 144.1203