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FR Air Documents
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- National Ambient Air Quality Standards for Ozone | PDF Version (534K, About PDF)
- Completeness Findings for Section 110(a) State Implementation Plans for the 8-hour Ozone NAAQS | PDF Version (74K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Rhode Island; Diesel Anti-Idling Regulation | PDF Version (59K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Rhode Island; Diesel Engine Anti-Idling Regulation | PDF Version (46K, About PDF)