We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

EPA's website will operate in a diminished capacity on Saturday Feb 17, 2018 from 8:00 a.m. to noon EST for routine maintenance. Some services, such as search, may be temporarily unavailable for brief periods during this time. We apologize for any inconvenience.


Enforcement Response Policy: Issuance of Policy on Timely and Appropriate Enforcement Response to High Priority Violations

This policy applies to all "major" (as defined by the CAA) stationary sources of air pollution which are in violation of a federally-enforceable regulation. This policy supersedes and consolidates the previous Clean air Act guidance related to Significant Violators (SVS), Timely and Appropriate and Federally Reportable Violations (FRV).  Issued Dec. 22, 1998.

You may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.