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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 40. Existing Stationary Sources
12/22/2024

9VAC5-40-900. Standard for particulate matter.

A. Fuel burning equipment installations.

No owner or other person shall cause or permit to be discharged into the atmosphere from any fuel burning equipment installation any gaseous products of combustion containing particulate emissions in excess of the following limits.

1. In AQCR 1 through 6.

a. For fuel burning equipment installations with total capacity less than 10 million (10 X 106) Btu per hour, the maximum allowable emission ratio shall be 0.6 pounds of particulate per million Btu input.

b. For fuel burning equipment installations with total capacity between 10 million (10 X 106) and 10 billion (10,000 X 106) Btu per hour, the maximum allowable emission ration, E, in pounds of particulate per million Btu input, shall be determined by the following equation: E = 1.0906H-0.2594, where H is the total capacity in millions of Btu per hour.

c. For fuel burning equipment installations with total capacity in excess of 10 billion (10,000 X 106) Btu per hour, the maximum allowable emission ratio shall be 0.1 pounds of particulate per million Btu input.

2. In AQCR 7.

a. For fuel burning equipment installations with total capacity less than 100 million (100 X 106) Btu per hour, the maximum allowable emission ratio shall be 0.3 pounds of particulate per million Btu input.

b. For fuel burning equipment installations with total capacity between 100 million (100 X 106) and 10 billion (10,000 X 106) Btu per hour, the maximum allowable emission ratio, E, in pounds of particulate per million Btu input, shall be determined by the following equation: E = .9000H-0.2386, where H is the total capacity in millions of Btu per hour.

c. For fuel burning equipment installations with total capacity in excess of 10 billion (10,000 X 106) Btu per hour, the maximum allowable emission ratio shall be 0.1 pounds of particulate per million Btu input.

B. Fuel burning equipment units.

1. The maximum allowable particulate emissions for each fuel burning equipment unit shall be the product of the rated capacity and the emission ratio (determined in accordance with subsection A of this section).

2. The allowable particulate emissions for each fuel burning equipment unit when operating at less than rated capacity shall be the product of the emission ratio, actual heat input and efficiency factor for the collection equipment. The efficiency factor for the collection equipment of each unit shall be determined using procedures set forth in 9VAC5-40-920.

3. For fuel burning equipment installations consisting of multiple fuel burning equipment units, except where all of the units burn liquid or gaseous fuels, or both, exclusively, the maximum allowable particulate emissions for each unit may be determined as provided in 9VAC5-40-910.

Statutory Authority

§ 10.1-1308 of the Code of Virginia.

Historical Notes

Derived from VR120-04-0803, eff. January 1, 1985; amended, Virginia Register Volume 15, Issue 12, eff. April 1, 1999.

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