Reviewing National Ambient Air Quality Standards (NAAQS)

Ozone (O3) Standards - Regulatory Impact Analysis from Current Review

This regulatory impact assessment (RIA) presents the health and welfare benefits of the ozone NAAQS, and compares the benefits to the estimated costs of implementing the NAAQS.

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.

You may also be interested in other documents from the current ozone NAAQS review.