{"data":{"id":"us-va/4vac25-40-3170","jurisdiction":"us-va","citation":"4VAC25-40-3170","heading":"Ventilation","body":"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.","path":["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"],"source_url":"https://law.lis.virginia.gov/admincode/title4/agency25/chapter40/section3170/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:03Z","sha256":"ff9dd777f981db7673418ec735d7c625cbf6f0cba93a718010ef437b155f6b8a","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-3160","next":"us-va/4vac25-40-3180"},"notice":"GroundRules: Original legal text. Not legal advice."}