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Further Information

EPA and various stakeholders host a number of web sites regarding the National Ambient Air Quality Standards and the recent revisions to those standards. Links follow.

EPA - General Conformity

DOT's Transportation Conformity

Federal Aviation Administration (FAA) - Airport Environmental Program

Federal Aviation Administration (FAA) - Air Quality and Emissions

Bureau of Land Management (BLM) - Air Quality Conformity

EPA - Office of Transportation and Air Quality (OTAQ) - Transportation Conformity Documents

EPA - National Ambient Air Quality Standards (NAAQS)

EPA - Ozone, PM, Regional Haze Implementation

EPA Policy and Guidance

National Park Service - Air Quality

Department of Defense (DOD) - Defense Environmental Network & Information eXchange

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