Part 4731.7160 - ENERGY COMPENSATION SOURCEA. A licensee may use an energy compensation source (ECS) that is contained within a logging tool or other tool components only if the ECS contains quantities of licensed material not exceeding 100 microcuries (3.7 MBq).B. For well logging applications with a surface casing for protecting freshwater aquifers, use of the ECS is subject only to parts 4731.7070 to 4731.7090.C. For well logging applications without a surface casing for protecting freshwater aquifers, use of the ECS is subject only to parts 4731.7030, 4731.7070 to 4731.7090, 4731.7150, and 4731.7280.Minn. R. agency 144, ch. 4731, WELL LOGGING, pt. 4731.7160
Statutory Authority: MS s 144.1202; 144.1203