C.F.R. » Title 30 » CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR › SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS › PART 7—TESTING BY APPLICANT OR THIRD PARTY › Subpart B—Brattice Cloth and Ventilation Tubing

30 C.F.R. § 7.21

Purpose and effective date

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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.