1. LawStack
  2. Title 30 - Mineral Resources
  3. Chapter I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
  4. Subchapter K - METAL AND NONMETAL MINE SAFETY AND HEALTH
  5. Part 57 - SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
  6. Subpart T - Safety Standards for Methane in Metal and Nonmetal Mines
  7. Topic - Explosives
  8. 30 CFR § 57.22607
30 CFR § 57.22607
Blasting on shift (III mines)
July 29, 2020
CFR

When blasting on shift, tests for methane shall be made in the mine atmosphere by a competent person before blasting. Blasting shall not be done when 1.0 percent or more methane is present.

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§ 57.22606 Explosive materials and blasting units (III mines)
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§ 57.22608 Secondary blasting (I-A, II-A, and V-A mines)

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