1979 Ozone NAAQS Planning Efforts
![1979 Standard Boundaries](/lib/deep/air/ozone/maps/1979ctnaareas_thumb.fw.png)
Request for Termination of CAA Section 185 Fee Requirements Cover letter and Technical Support Document . December 29, 2017
1-hour Ozone Mid-Course Review Cover Letter and Technical Report submitted to EPA. January 10, 2005