Virginia Administrative Code
Title 9 - ENVIRONMENT
Agency 5 - STATE AIR POLLUTION CONTROL BOARD
Chapter 50 - NEW AND MODIFIED STATIONARY SOURCES
Part II - Emission Standards
Article 1 - Standards of Performance for Visible Emissions and Fugitive Dust/Emissions(Rule 5-1)
Section 9VAC5-50-80 - Standard for visible emissions

Unless specified otherwise in this part, on or after the date on which the performance test required to be conducted by 9VAC5-50-30 is completed, no owner or other person shall cause or permit to be discharged into the atmosphere from any affected facility any visible emissions which exhibit greater that 20% opacity, except for one six-minute period in any one hour of not more than 30% opacity. Failure to meet the requirements of this section because of the presence of water vapor shall not be a violation of this section.

Statutory Authority

§§ 10.1-1307 and 10.1-1308 of the Code of Virginia.