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

4VAC25-40-3170: Ventilation

Where this section sits in the code

Title 4. Conservation And Natural Resources
Agency 25. Department of Energy
Chapter 40. Safety and Health Regulations for Mineral Mining
Part XV. Safety and Health Regulations—Underground Only
Article 3. Air Quality, Radiation and Physical Agents

Main fans shall be installed on the surface; if it is necessary to locate them underground, they shall be in fire-resistant areas and shall be provided with remote controls.

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

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