{"data":{"id":"us-va/4vac25-40-5140","jurisdiction":"us-va","citation":"4VAC25-40-5140","heading":"Intakes and returns","body":"The main intake and return air currents in mines shall be in separate shafts, slopes, or drifts.","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 11. Gassy Mines"],"source_url":"https://law.lis.virginia.gov/admincode/title4/agency25/chapter40/section5140/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:10Z","sha256":"6240c014a1f4f0db47372cfb586c860b25c0eaf290b2340d165c814d9d76bd76","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-5130","next":"us-va/4vac25-40-5150"},"notice":"GroundRules: Original legal text. Not legal advice."}