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 27—METHANE-MONITORING SYSTEMS › Subpart C—Test Requirements

30 C.F.R. § 27.35

Tests to determine life of critical components and subassemblies

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Replaceable components may be subjected to appropriate life tests at the discretion of MSHA.