{"data":{"id":"us-va/9vac5-40-6610","jurisdiction":"us-va","citation":"9VAC5-40-6610","heading":"Standard for sulfur dioxide","body":"A. No owner or other person shall cause or permit to be discharged into the atmosphere from any Class I unit any sulfur dioxide emissions in excess of 31 parts per million by dry volume or 75% reduction of potential emissions, measured at 7.0% oxygen, 24-hour daily block geometric average concentration or percent reduction.\n\nB. No owner or other person shall cause or permit to be discharged into the atmosphere from any Class II unit any sulfur dioxide emissions in excess of 77 parts per million by dry volume or 50% reduction of potential emissions, measured at 7.0% oxygen, 24-hour daily block geometric average concentration or percent reduction.","path":["Title 9. Environment","Agency 5. State Air Pollution Control Board","Chapter 40. Existing Stationary Sources","Part II. Emission Standards","Article 46. Emission Standards for Small Municipal Waste Combustors (Rule 4-46)"],"source_url":"https://law.lis.virginia.gov/admincode/title9/agency5/chapter40/section6610/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:48:15Z","sha256":"0b27dd930c657f52179d954870e1f2435a41dcf19801ccbb318180b34abbcaa0","source_id":"us-va-vac","stale":false,"prev":"us-va/9vac5-40-6600","next":"us-va/9vac5-40-6620"},"notice":"GroundRules: Original legal text. Not legal advice."}