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Regional Haze: Resources

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

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

EPA Documents

Regional Haze Rule, 1999 Exit the TCEQ

Best Available Retrofit Technology (BART) Rule, 2005 Exit the TCEQ

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

Guidance for Estimating Natural Visibility Conditions Under the Regional Haze Rule, 2003 Exit the TCEQ

Guidance for Tracking Progress Under the Regional Haze Rule, 2003 Exit the TCEQ

Regulatory Impact Analysis for the Final Clean Air Visibility Rule or the Guidelines for BART Determinations Under the Regional Haze Regulations, 2005 Exit the TCEQ

Related Links

For more information on the Texas SIP, see the TCEQ’s main SIP Web page.

Central States Air Resource Agencies (CenSARA) Exit the TCEQ

National Park Service: Exit the TCEQ

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

Visibility: Existing and Historical Conditions—Causes and Effects, 1990  Exit the TCEQ Acidic Deposition: State of Science and Technology, Report 24. National Acid Precipitation Assessment Program. This report is a review of scientific information regarding visibility, especially the relationship of visibility causing air pollutants with nitrogen dioxide, nitrate aerosols, and sulfate aerosols.

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

Glossary of terms and phrases used in visibility science Exit the TCEQ

Contact Us

TCEQ—Austin Contacts

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