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Day 18
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Air Quality Designations and Classifications for the 8-Hour Ozone; National Ambient Air Quality Standards; Deferral of Effective Date
- Air Quality Designations and Classifications for the 8-Hour Ozone; National Ambient Air Quality Standards; Early Action Compact Areas With Deferred Effective Dates
- Agency Information Collection Activities: Proposed Collections; Request for Comment on Five Proposed Information Collection Requests (ICRs)
AIR TEXT Files - [ZIP 28kb] - Air Quality Designations and Classifications for the 8-Hour Ozone; National Ambient Air Quality Standards; Early Action Compact Areas With Deferred Effective Dates