{"data":{"id":"us-va/4vac25-40-5100","jurisdiction":"us-va","citation":"4VAC25-40-5100","heading":"Supervision of use of open flames","body":"Welding or cutting with arc or flame underground in other than fresh air, or in places where flammable gases are present or may enter the air current, shall be under the direct supervision of a qualified person who shall test for flammable gases before and frequently during such operations.","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/section5100/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:10Z","sha256":"5a2ebb044134c7cfa94fcf95e5f9a98ae253825e1e16f03243601a4b1102076a","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-5090","next":"us-va/4vac25-40-5110"},"notice":"GroundRules: Original legal text. Not legal advice."}