107.125—Appeal.
(a)
A person who requested reconsideration under § 107.123 and is denied the relief requested may appeal to the Administrator. The appeal must—
(1)
Be in writing and filed within 30 days of receipt of the Associate Administrator's decision on reconsideration;
(b)
The Administrator, if necessary to avoid a risk of significant harm to persons or property, may declare the Associate Administrator's action effective pending a decision on appeal.
(c)
The Administrator grants or denies, in whole or in part, the relief requested and informs the appellant in writing of the decision. The Administrator's decision is the final administrative action.