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FR Air Documents
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval and Promulgation of Implementation Plans: 1-Hour Ozone Extreme Area Plan for San Joaquin Valley, CA
- Control of Hazardous Air Pollutants From Mobile Sources:Early Credit Technology Requirement Revision | PDF Version (68K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Texas; Dallas/Fort Worth 1-Hour Ozone Nonattainment Area; Determination of Attainment of the 1-Hour Ozone Standard | PDF Version (51K, About PDF)