Any information accorded confidential treatment may be disclosed or transmitted to other officers, employees, including Board Members, Board attorneys, environmental scientists of the Board's technical unit, Board hearing officers, the Clerk, Assistant Clerk, or authorized representatives of this State or of the United States concerned with or for the purposes of carrying out the Act or the federal environmental statutes and regulations; provided, however, that such information shall be identified as confidential by the Board, as the case may be [415 ILCS 5/7(e)] .
Ill. Admin. Code tit. 35, § 130.402