30 C.F.R. § 77.102 Tests for methane; oxygen deficiency; qualified person, additional requirement.
Title 30 - Mineral Resources
Notwithstanding the provisions of §77.101, on and after December 30, 1971, no person shall be a qualified person for testing for methane and oxygen deficiency unless he has demonstrated to the satisfaction of an authorized representative of the Secretary that he is able and competent to make such tests and the Mine Safety and Health Administration has issued him a current card which qualifies him to make such tests.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart B—Qualified and Certified Persons
§ 77.102 Tests for methane; oxygen deficiency; qualified person, additional requirement.
