Energy Compensation Source (ECS)

Section 351.3025  Energy Compensation Source (ECS) a)         The licensee may use an ECS that is contained within a logging tool, or other tool components, only if the ECS contains quantities of radioactive material not exceeding 3.7 MBq (100 microCi). b)         For well-logging applications with a surface casing for protecting fresh water aquifers, use of the ECS is only subject to the requirements of Sections 351.1050, 351.1060 and 351.1070 of this Part. c)         For well-logging applications without a surface casing for protecting fresh water aquifers, use of the ECS is subject to the requirements of Sections 351.40, 351.1050, 351.1060, 351.1070, 351.3030(b)(2) and 351.5010 of this Part.