All Texas businesses or local government operations that emit air pollutants must have state authorization to do so. The following information is designed to assist a small business owner or local government official determine if their air emissions can be authorized by an exemption called Permit by Rule. The links are in Adobe Acrobat's portable document format (PDF). Click here for assistance with PDF.

• Overview
• Permit by Rule List
• Example Emissions Estimate: Products of Combustion
• Example Emissions Estimate: Particulate Matter
• Example Emissions Estimate: Volatiles

Important Note: Should any of the active links in the following PDF files be found to not work, please let us know by sending e-mail to sbap@tceq.state.tx.us.

Overview (PDF)

Almost all businesses or operations emit some sort of air pollution. This overview explains what an air pollutant is and helps to determine how to make an estimate of air emissions

Permit by Rule List (PDF)

This table lists all of the TCEQ's Permits by Rule and their contaminants of concern, as well as special instructions and other regulations which may apply for each PBR.

Example Emissions Estimate: Products of Combustion (PDF)

Many operations also emit air pollution when fuel is burned. This document explains how to estimate emissions from products of combustion.

Example Emissions Estimate: Particulate Matter (PDF)

Many operations also emit air pollution called particulate matter which can be solid or liquid in the form of dust, smoke or vapor. Although the techniques necessary to estimate particulate matter emissions are complicated, this document is a good starting point

Example Emissions Estimate: Volatiles (PDF)

Many operations emit air pollution called volatile organic compounds (VOC) or hazardous air pollutants (HAP). This document explains how to estimate VOCs and HAPs.