Stationary Source Rules for the San Antonio Area
Controlling Ozone Pollution
Rules reduce ozone by limiting emissions of nitrogen oxides (NOx) and volatile organic compounds (VOCs) from the following stationary sources.
Controlling NOx Emissions
Rules limit NOx emissions from the following sources:
- Cement Kilns (rules apply in Bexar County)
- Nitric Acid Manufacturing (rules apply statewide)
- Utility Electric Generation in East and Central Texas (rules apply in Bexar County)
- Water Heaters, Small Boilers, and Process Heaters (rules apply statewide)
Controlling VOC Emissions
Rules limit VOC emissions from the following sources:
Controlling Particulate Matter Pollution
Statewide rules limit particulate matter emissions and opacity from affected stationary sources.
Controlling Sulfur Dioxide Pollution
Statewide rules limit sulfur dioxide emissions and ground level concentrations from affected stationary sources.
State Implementation Plan
Information on the SIP to improve air quality in the San Antonio area