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NSR Guidance for Equipment Leak Fugitives

Overview of air permitting requirements and options for new operations. Links to relevant rules, guidance, and forms.

This information is intended to be used by permit applicants to help ensure a complete application and more efficient review. We encourage applicants to use this information when preparing and submitting NSR applications to promote faster action by the agency.

Common Information

Potential Additional Sources

The following are additional facilities that are commonly permitted during a permit action for the facility:

  • Tanks, Valves, Relief Valves, Compressors, Pumps, Piping, Connectors

Best Available Control Technology (BACT)

The following tables contain information regarding the level of emissions control required or the amount of emissions allowed from the facility.

  • Current BACT - Download the workbook to see BACT for this source and all other sources in this industry type. Note, the workbook also contains current MSS BACT.
  • 10-Year-Old BACT - Some authorizations for qualified facilities allow for air pollution control methods that are at least as effective as the BACT that was required or would have been required 120 months, or 10 years, ago.

Boilerplate Conditions

The following are examples of permit conditions that may be applicable for this type of facility:

Additional Information

  • Fugitive Guidance Document
  • Emission Factors
    • Facility Specific Fugitive Emission Factors - PDF or Word
      Uncontrolled SOCMI Fugitive Emission Factors - PDF or Word
  • Control Efficiencies - PDF or Word
  • Emission Calculations - Example calculations for facility emissions
  • Fugitive Workbook - The Emissions Calculations workbook for Equipment Leak Fugitives can be found on the NSR Application Tools webpage. This file is in Excel format and shows example calculations for facility emissions. If you have questions or need further assistance, please contact the TCEQ Air Permits Chemical Section for information
  • Current Policy Memos - Guidance regarding current Air Permits Division (APD) policies
  • Historical Policy Memos - Historical APD policies
  • Applicable Rules and Regulations - Specific state and federal rules and regulations that may pertain to this type of facility

Questions? We Can Help

If you have questions regarding this guidance please contact us.