1 This matter was filed
before the Secretary of Labor pursuant to the Clean Air Act, 42 U.S.C. § 7622 (1988). On April
17, 1996, a Secretary's Order was signed delegating jurisdiction to issue final agency decisions under this
statute and the implementing regulations (29 C.F.R. Part 24) to the newly created Administrative Review
Board. Secretary's Order 2-96 (Apr. 17, 1996), 61 Fed. Reg. 19978 (May 3, 1996). Secretary's Order
2-96 contains a comprehensive list of the statutes, executive order, and regulations under which the
Administrative Review Board now issues final agency decisions.