30 C.F.R. § 27.33 Test to determine explosion-proof construction.
Title 30 - Mineral Resources
Any assembly, subassembly, or component which, in the opinion of MSHA, requires explosion-proof construction shall be tested in accordance with the procedures stated in Part 18 of this subchapter.
Title 30: Mineral Resources
PART 27—METHANE-MONITORING SYSTEMS
Subpart C—Test Requirements
§ 27.33 Test to determine explosion-proof construction.
