{"data":{"id":"us-va/4vac25-40-3420","jurisdiction":"us-va","citation":"4VAC25-40-3420","heading":"Leaving blasting area; reentering blasting area","body":"A. In areas where dangerous accumulations of water, gas or mud could be encountered, persons shall be removed to safe places before blasting.\n\nB. Blasting areas shall not be reentered after firing for a minimum time limit of 30 minutes and not until the concentration of smoke, dust, and fumes has been reduced to safe limits.","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 4. Explosives"],"source_url":"https://law.lis.virginia.gov/admincode/title4/agency25/chapter40/section3420/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:04Z","sha256":"61d0eb9927f7412b1799dd1aecfb30cca7560bdbc6069e0d00fad05bab026fa8","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-3410","next":"us-va/4vac25-40-3430"},"notice":"GroundRules: Original legal text. Not legal advice."}