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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
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Section 57.22217 - Seals and stoppings (I-A, I-B, and I-C mines)

30 C.F.R. § 57.22217

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Current through November 30, 2024
Section 57.22217 - Seals and stoppings (I-A, I-B, and I-C mines)

All seals, and those stoppings that separate main intake from main return airways, shall be of substantial construction and constructed of noncombustible materials, except that stoppings constructed of brattice materials may be used in face areas.

30 C.F.R. §57.22217