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Regional Haze: Resources

EPA documents, links, and contact information related to regional haze, BART, and CSAPR/CAIR.

Many of the following documents and links are in Portable Document Format (PDF).

EPA Documents

Regional Haze Rule, 1999Exit the TCEQ

Protection of Visibility: Amendments to Requirements for State PlansExit the TCEQ; Final Rule (January 10, 2017)

Technical Guidance on Tracking Visibility Progress for the Second Implementation Period of the Regional Haze ProgramExit the TCEQ (December 2018) 

Draft Guidance on Progress Tracking Metrics, Long-term Strategies, Reasonable Progress Goals and Other Requirements for Regional Haze State Implementation Plans for the Second Implementation PeriodExit the TCEQ (June 30, 2016) 

Best Available Retrofit Technology (BART) RuleExit the TCEQ (July 6, 2005)

Additional Regional Haze Questions (EPA Questions and answers on regional haze and BART, September 27, 2006)

Regulatory Impact Analysis for the Final Clean Air Visibility Rule or the Guidelines for BART Determinations Under the Regional Haze RegulationsExit the TCEQ (June 2005)

Related Links

For more information on the Texas SIP, see the TCEQ’s Texas State Implementation Plan webpage.

Central States Air Resource Agencies (CenSARA)Exit the TCEQ

National Park Service (NPS):

IMPROVE (Interagency Monitoring of Protected Visual Environments)Exit the TCEQ

Federal Land Manager Environmental Database (FED)Exit the TCEQ Provides an extensive database of environmental information to help Federal Land Managers analyze the air quality and visibility in federally protected areas such as the lands of the National Park Service, the US Forest Service and the US Fish and Wildlife Service.

Western Regional Air Partnership (WRAP)Exit the TCEQ

Contact Us

TCEQ—Austin Contacts

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