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Technology Transfer Network / NAAQS
Ozone Implementation

Implementation Rule for the 1997
8-hour Ozone Standard:
Proposed Rule

Information provided for informational purposes onlyNote: EPA no longer updates this information, but it may be useful as a reference or resource.
This page links you to the proposed implementation rule for the 1997 8-hour ozone standard, accompanying draft regulatory text, and related documents.

Proposed Rule Documents Date
Revision on Subpart 1 Area Reclassification and Anti-Backsliding Provisions Under Former 1-Hour Ozone Standard; Proposed Deletion of Obsolete 1-Hour Ozone Standard Provision

Proposed Rule (PDF, 35 pp, 95 KB)

01/12/09
EPA is requesting public comment on several issues associated with the overwhelming transport classification available to certain areas designated “nonattainment” because they do not meet EPA’s 8-hour ozone national ambient air quality standard.

Notice of Reconsideration (PDF, 46 pp, 167 KB)
Fact Sheet (PDF, 4 pp., 126 KB)

03/22/06

Criteria For Assessing Whether an Ozone Nonattainment Area is Affected by
Overwhelming Transport - Draft
(PDF, 8 pp, 42 KB)

Errata Sheet (PDF, 1 pp, 10 KB - 03/28/06)

06/29/05
Proposed Rule/Public Hearing Notice: Nonattainment Major New Source Review Implementation Under 8-Hour Ozone National Ambient Air Quality Standard: Reconsideration (PDF) 04/07/05
Reconsideration of Phase 1 Rule to Implement the 8-Hour Ozone NAAQS;Proposed Rule. (PDF) (PDF) 1/27/05
Fact Sheet on Reconsideration of Phase 1 Rule to Implement the 8-Hour Ozone NAAQS. (WPD) 1/26/05
Equivalence of 1-hour and 8-hour Ozone Design Values (WPD) 10/20/03
Reopening of the Public Comment Period on the Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (WPD) 10/16/03
Fact Sheet: Reopening of the Public Comment Period on the Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (WPD) 10/16/03
Revised Background Information Document: Hypothetical Nonattainment Areas for Purposes of Understanding the EPA Proposed Rule for Implementing the 8-hour Ozone National Ambient Air Quality Standard in Relation to Re-Opened Comment Period (PDF) 10/16/03
Draft Regulatory Text: Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (PDF) 07/31/03
Notice of Availability for Draft Regulatory Text: Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (PDF) (HTM) 07/31/03
Fact Sheet for Draft Regulatory Text: Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (WPD) 07/31/03
Cross-Reference for Draft Regulatory Text to June 2, 2003 Notice: Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (WPD) 07/31/03
Cross-Reference for June 2, 2003 Notice to Draft Regulatory Text: Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (WPD) 07/31/03
Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (PDF) (WPD)

(Please Note: The number of pages displayed in the WPD version of this document will vary based on your version of WordPerfect and the printer drivers installed on your computer. This does not affect the content of the document.)
06/02/03
Page Index: Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (WPD) 06/02/03
Roadmap: Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (PDF) 06/02/03
Fact Sheet: Proposed Rule to Implement the 8-Hour Ozone National Ambient Air Quality Standard (WPD) 05/12/03
Background Information Document: Hypothetical Nonattainment Areas for Purposes of Understanding the EPA Proposed Rule for Implementing the 8-Hour Ozone National Ambient Air Quality Standard (PDF) 04/2003

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