R307-415-7h. Permit Revision: Reopenings for Cause by EPA

The director shall, within 90 days after receipt of notification that EPA finds that cause exists to terminate, modify or revoke and reissue a permit, forward to EPA a proposed determination of termination, modification, or revocation and reissuance, as appropriate. The director may request a 90-day extension if a new or revised permit application is necessary or if the director determines that the permittee must submit additional information.