Follow-Up Links From 9/6 TWG Meeting

The following information was provided by Jeffrey Riley (EPA), and are intended to be a follow-up from the 9/6 TWG meeting.

Policy Assessment for the Review of the Ozone NAAQS, First External Review Draft –

Health & Welfare Risk and Exposure Assessment for Ozone, First External Review Draft –

Notice of Extension of Comment Period –

2008 Ozone Conformity Links

EPA has released two transportation conformity guidance documents related to implementation of the 2008 ozone NAAQS:

  • Transportation Conformity Guidance for 2008 Ozone NAAQS Nonattainment Areas
  • Guidance for Transportation Conformity Implementation in Multi-Jurisdictional Nonattainment and Maintenance Areas

These documents can be found at the following website:

Also, an update to the Baseline Year for the Baseline Year Test (in 40 CFR 93.119) table has been added at: