9VAC5-40-8070. Standard for fugitive dust/emissions.
A. The provisions of Article 1 (9VAC5-40-60 et seq.) of 9VAC5 Chapter 40 (Emission Standards for Visible Emissions and Fugitive Dust/Emissions, Rule 4-1) apply except as provided in subsections B through D of this section.
B. No owner or other person shall cause to be discharged to the atmosphere visible emissions of combustion ash from an ash conveying system (including conveyor transfer points) in excess of 5.0% of the observation period (i.e., 9 minutes per 3-hour period), as determined by Reference Method 22 observations as specified in 9VAC5-40-8140 H, except as provided in subsections C and D of this section.
C. The emission limit specified in subsection B of this section shall not cover visible emissions discharged inside buildings or enclosures of ash conveying systems; however, the emission limit specified in subsection B of this section shall cover visible emissions discharged to the atmosphere from buildings or enclosures of ash conveying systems.
D. The provisions specified in subsection B of this section shall not apply during maintenance and repair of ash conveying systems.
Statutory Authority
§ 10.1-1308 of the Code of Virginia.
Historical Notes
Derived from Virginia Register Volume 15, Issue 21, eff. August 4, 1999.