{"data":{"id":"us-va/4vac25-40-3250","jurisdiction":"us-va","citation":"4VAC25-40-3250","heading":"Installation of ventilation tubing","body":"When used, ventilation tubing shall be installed so that the air current sweeps the face areas effectively. Maximum distance of the end of the tubing from the face generally shall be 30 feet for blowing and six feet for exhausting.","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/section3250/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:04Z","sha256":"c21b666fa74814b00e579f757bbfb761ea430a17640770a613906afe69a150a6","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-40-3240","next":"us-va/4vac25-40-3260"},"notice":"GroundRules: Original legal text. Not legal advice."}