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Day 27
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Revisions to the Nevada State Implementation Plan
- Implementation of the 8-Hour Ozone National Ambient Air Quality Standard--Phase 1: Reconsideration
- Revisions to the Arizona State Implementation Plan, Pinal County Air Quality Control District
- Extension of Public Comment Period for Proposed Rule on the Transition to New or Revised Particulate Matter (PM) National Ambient Air Quality Standards (NAAQS)
AIR TEXT Files - [ZIP 28kb] - Implementation of the 8-Hour Ozone National Ambient Air Quality Standard--Phase 1: Reconsideration