{"data":{"id":"us-va/4vac25-40-3200","jurisdiction":"us-va","citation":"4VAC25-40-3200","heading":"Air current effectiveness","body":"The air current passing through the mine shall have a sufficient volume and velocity to dilute or remove dangerous amounts of noxious impurities and explosive gases.","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/section3200/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:04Z","sha256":"9190571e24f300d64d39a08a21006dd53acb5b8a259dd5ab2ff28aa33873f2e8","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-3190","next":"us-va/4vac25-40-3210"},"notice":"GroundRules: Original legal text. Not legal advice."}