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FR Air Documents
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Revisions to the California State Implementation Plan, Antelope Valley Air Quality Management District | PDF Version (64K, About PDF)
- Revisions to the California State Implementation Plan, Antelope Valley Air Quality Management District | PDF Version (66K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; State of Utah; Revised Transportation Conformity Consultation Process, and Approval of Related Revisions | PDF Version (70K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; State of Utah; Revised Transportation Conformity Consultation Process, and Approval of Related Revisions | PDF Version (54K, About PDF)
- Draft Risk and Exposure Assessment Report for Nitrogen Dioxide (NOX) | PDF Version (59K, About PDF)
- EPA Responses to State and Tribal 2006 24-Hour PM2.5 Designation Recommendations: Notice of Availability and Public Comment Period | PDF Version (61K, About PDF)