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Virginia regulations · Through 2026 Regular Session (effective July 1, 2026)

4VAC25-40-3160: Oxygen content in mines

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Where this section sits in the code
  1. Title 4. Conservation And Natural Resources
  2. Agency 25. Department of Energy
  3. Chapter 40. Safety and Health Regulations for Mineral Mining
  4. Part XV. Safety and Health Regulations—Underground Only
  5. Article 3. Air Quality, Radiation and Physical Agents

Air in all active areas shall contain at least 19.5% volume oxygen as measured by an acceptable oxygen analyzer.

Collected 2026-09-14T04:46:03Z. Source file · JSON

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