Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4731 - RADIATION SAFETY
WELL LOGGING
Part 4731.7170 - TRITIUM NEUTRON GENERATOR TARGET SOURCE
Universal Citation: MN Rules 4731.7170
Current through Register Vol. 49, No. 13, September 23, 2024
A. Use of a tritium neutron generator target source, containing quantities not exceeding 30 curies (1,110 MBq) and in a well with a surface casing to protect freshwater aquifers, is subject to parts 4731.7000 to 4731.7270, except parts 4731.7030 and 4731.7100.
B. Use of a tritium neutron generator target source, containing quantities exceeding 30 curies (1,110 MBq) or in a well without a surface casing to protect freshwater aquifers, is subject to parts 4731.7000 to 4731.7280, except part 4731.7100.
Statutory Authority: MS s 144.1202; 144.1203
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