In accordance with this chapter, the Secretary of the Interior (or the approved State regulatory authority as provided for in section 1253 of this title ) shall promulgate regulations requiring the training, examination, and certification of persons engaging in or directly responsible for blasting or use of explosives in surface coal mining operations. ( Pub. L. 95–87, title VII, § 719 , Aug. 3, 1977 , 91 Stat. 526 .) CFR Title Parts 30 755 , 902