30 C.F.R. § 7.21

Current through September 30, 2024

Section 7.21 - Purpose and effective date

This subpart establishes the specific requirements for approval of brattice cloth and ventilation tubing. It is effective August 22, 1988. Applications for approval or extension of approval submitted after August 22, 1989, shall meet the requirements of this part.

30 C.F.R. § 7.21