(b) Procedure. When the Board has reason to believe that the conditions for revocation, as described in paragraph (a) of this section, are met, the Board shall:
- (1) Notify the grantee of the zone in question in writing stating the nature of the alleged violations, provide the grantee an opportunity to request a hearing on the proposed revocation, and notify any known operators in the zone;
- (2) Conduct a hearing, if requested or otherwise if appropriate;
- (3) Make a determination on the record of the proceeding not earlier than four months after providing notice to the zone grantee under paragraph (b)(1) of this section; and
- (4) If the Board's determination is affirmative, publish a notice of revocation of authority, in whole or in part, in the Federal Register.