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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, Kern County Air Pollution Control District | PDF Version (113K, About PDF)
- Revisions to the California State Implementation Plan, Kern County Air Pollution Control District | PDF Version (68K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Maryland; Revisions to Stage II Requirements | PDF Version (78K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Maryland; Revisions to Stage II Requirements | PDF Version (122K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Revisions to Stage II Requirements in Allegheny County | PDF Version (110K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Revisions to Stage II Requirements in Allegheny County | PDF Version (84K, About PDF)
- Approval and Promulgation of State Plans for Designated Facilities and Pollutants; Missouri; Clean Air Mercury Rule | PDF Version (113K, About PDF)