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Day 30
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval and Promulgation of Air Quality Implementation Plans; Delaware; Post 1996 Rate-of-Progress Plan for the Delaware Portion of the Philadelphia-Wilmington-Trenton Ozone Nonattainment Area and Revisions Related to the Area's Attainment Plan
- Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; One-Hour Ozone Attainment Demonstration Plan for the Philadelphia-Wilmington-Trenton Ozone Nonattainment Area
- Notice of Availability: Response Document Denying the Ethyl Corporation Petitions To Reconsider Three EPA Regulations: CAP 2000, Heavy Duty Gasoline, and OBD/IM
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of New York
AIR TEXT Files - [ZIP 31kb] - Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; One-Hour Ozone Attainment Demonstration Plan for the Philadelphia-Wilmington-Trenton Ozone Nonattainment Area