§ 39.53. Energy compensation source.
104 words·~1 min read·
/us/cfr/t10/s§ 39.53·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
The licensee may use an energy compensation source
(ECS)which is contained within a logging tool, or other tool components, only if the ECS contains quantities of licensed material not exceeding 3.7 MBq [100 microcuries].
(a)For well logging applications with a surface casing for protecting fresh water aquifers, use of the ECS is only subject to the requirements of §§ 39.35, 39.37 and 39.39.
(b)For well logging applications without a surface casing for protecting fresh water aquifers, use of the ECS is only subject to the requirements of §§ 39.15, 39.35, 39.37, 39.39, 39.51, and 39.77. [65 FR 20345, Apr. 17, 2000]