StacksVerified U.S. regulatory reference

30 CFR §75.152

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.