Virginia Administrative Code
Title 9 - ENVIRONMENT
Agency 5 - STATE AIR POLLUTION CONTROL BOARD
Chapter 30 - AMBIENT AIR QUALITY STANDARDS
Section 9VAC5-30-56 - Ozone (8-hour, 0.075 ppm)
Current through Register Vol. 41, No. 3, September 23, 2024
A. The primary and secondary ambient air quality standard is 0.075 parts per million, daily maximum 8-hour average.
B. Ozone shall be measured by the reference method described in Appendix D of 40 CFR Part 50, other method designated as such, or by an equivalent method.
C. The 8-hour primary and secondary ozone ambient air quality standards are met at an ambient air quality monitoring site when the three-year average of the annual fourth-highest daily maximum 8-hour average ozone concentration is less than or equal to 0.075 ppm, as determined in accordance with Appendix P to 40 CFR Part 50.
Statutory Authority
§ 10.1-1308 of the Code of Virginia; §§ 108, 109 and 302 of the Clean Air Act; 40 CFR Parts 50, 53 and 58.
