When it becomes necessary to use detergents during air-rotary drilling operations, the foam generated by such activity shall be directed into a containment pit and retained there until it has been degraded to a harmless form.

Authority: T.C.A §§ 4-5-201, et seq. and 60-1-201, et seq. Administrative History: Original rule filed March 20, 2013; effective June 18, 2013.