{"data":{"id":"us-va/4vac25-40-5320","jurisdiction":"us-va","citation":"4VAC25-40-5320","heading":"Detection of flammable gas","body":"If 1.5% or higher concentration of flammable gas is detected in air returning from an underground area or areas, the persons shall be withdrawn and the power cut off to the portion of the mine endangered by such flammable gas until the concentration of such gas is reduced to 1.0% or less.","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/section5320/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:10Z","sha256":"b0460d5748c4de2ab4016e760f146554ced8300096a470aa82ce08b690c9d570","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-5310","next":"us-va/4vac25-40-5330"},"notice":"GroundRules: Original legal text. Not legal advice."}