Statutes, codes, and regulations
Code of Federal Regulations
Title 30 - MINERAL RESOURCESChapter I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABORSubchapter K - METAL AND NONMETAL MINE SAFETY AND HEALTHPart 57 - SAFETY AND HEALTH STANDARDS-UNDERGROUND METAL AND NONMETAL MINESSubpart T - SAFETY STANDARDS FOR METHANE IN METAL AND NONMETAL MINES
EXPLOSIVES
Section 57.22608 - Secondary blasting (I-A, II-A, and V-A mines)

30 C.F.R. § 57.22608

Download
PDF
Current through November 30, 2024
Section 57.22608 - Secondary blasting (I-A, II-A, and V-A mines)

Prior to secondary blasting, tests for methane shall be made in the mine atmosphere at blast sites by a competent person. Secondary blasting shall not be done when 0.5 percent or more methane is present.

30 C.F.R. §57.22608