GroundRules
9VAC5-40-2850: Standard for sulfur dioxide
Where this section sits in the code
- Title 9. Environment
- Agency 5. State Air Pollution Control Board
- Chapter 40. Existing Stationary Sources
- Part II. Emission Standards
- Article 21. Emissions Standards for Sulfuric Acid Production Units (Rule 4-21)
No owner or other person shall cause or permit to be discharged into the atmosphere from any sulfuric acid production unit any sulfur dioxide emissions in excess of a concentration of 2000 parts per million by volume and a mass emission rate of 27 pounds per ton of 100% acid produced when elemental sulfur is used for feed material, or 3500 ppm by volume and a mass emission rate of 45 pounds per ton of 100% acid produced when other raw materials such as recycled spent acid and ores are used as feed. These emissions levels may be exceeded for a period not longer than 24 hours during start-up.
Collected 2026-09-14T04:48:08Z. Source file · JSON