U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 30Chapter IPart 27Subpart C - Subpart C—Test Requirements
View all text of Subpart C [§ 27.30 - § 27.41]
§ 27.35 - Tests to determine life of critical components and subassemblies.

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

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