Texas Statewide SIP Revisions
Texas air quality state implementation plans (SIP) that affect the entire state.
Regional Haze
Texas plan to reduce haze-forming pollution and the EPA’s rule to reduce haze in national parks and wilderness areas.
Clean Air Interstate Rule (CAIR)
State and federal information on this rule that reduces air pollution that crosses state boundaries.
Cross-State Air Pollution Rule (CSAPR)
Federal implementation plan to address interstate air pollution.
