30 C.F.R. § 75.152 Tests of air flow; qualified person.
Title 30 - Mineral Resources
A person is a qualified person within the meaning of the provisions of Subpart D—Ventilation of this part requiring that tests of air flow be made by a qualified person only if he is a certified person under §75.100 or a person trained and designated by a certified person to perform such tests.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart B—Qualified and Certified Persons
§ 75.152 Tests of air flow; qualified person.
