The IEPA has proposed extending the permit renewal term for Federally Enforceable State Operating Permits (FESOP).  Currently, a FESOP must be renewed every five years.  Under the proposed rule, facilities would be required to renew a FESOP every ten years. The IEPA is currently accepting comments on the proposed renewal extension.  A copy of the proposed revisions can be found on the following website:

Comments on the proposed rule can be submitted to: