Many of the following documents and links are in Portable
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EPA Documents, Related Links and Contact Information
EPA Documents
Regional
Haze Rule, 1999 
BART Rule, 2005
Guidance
for Estimating Natural Visibility Conditions Under the Regional
Haze Rule, 2003
Guidance
for Tracking Progress Under the Regional Haze Rule,
2006
Regulatory
Impact Analysis for the Final Clean Air Visibility Rule or the
Guidelines for Best Available Retrofit Technology (BART)
Determinations Under the Regional Haze Regulations,
2005
Links
For more information on the Texas SIP, see the TCEQ’s main
SIP web
page.
Central Regional Air Planning
Association (CENRAP)
National Park Service:
IMPROVE
(Interagency Monitoring of Protected Visual
Environments)
"
Visibility: Existing and Historical Conditions-Causes and Effects,
1990. 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.
Visibility
Information Exchange Web System (VIEWS) Online air quality data and research
designed to help understand the effects of air pollution on
visibility and to support the Regional Haze Rule enacted by the EPA
to improve visibility in national parks and wilderness areas.
Western Regional Air
Partnership (WRAP)
The Causes of Haze
Assessment (COHA), Desert Research Institute in Las Vegas. An
online report that answers questions about the chemical components
that cause regional haze, the relationships between haze and
meteorology, the emissions that cause haze, and the effects of
previous and future emissions reductions on the poorest and best
visibility levels at all Class I areas in the WRAP and CENRAP
regions.
Glossary of terms and phrases used in visibility science
Contact Us
TCEQ - Austin Contacts
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