{"data":{"id":"us-va/4vac25-40-5400","jurisdiction":"us-va","citation":"4VAC25-40-5400","heading":"Line brattices","body":"Line brattices or other suitable devices shall be installed from the last open crosscut to a point near the face to ensure positive air flow to the face of every active underground working area, unless the director or his authorized representative permits an exception to this requirement.","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/section5400/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:10Z","sha256":"0754c37255059eb46c7639c14cdbeae0ff29724022e13b98d4baa3fc0b4768e8","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-5390","next":"us-va/4vac25-40-5410"},"notice":"GroundRules: Original legal text. Not legal advice."}