25 Pa. Code § 127.431 – Operating permit disposition.

(a) After reviewing a protest or record of a conference or hearing, the Department may take action authorized by this chapter.
(b) A notice of denial or an operating permit will be issued to the applicant. Each protestant who has submitted a comment within the time period in § 127.426 (relating to filing protests) will be notified personally or by mailing a copy of the plan approval disposition to the address set forth in the protest.
(c) The Department will also publish notice of its action in the Pennsylvania Bulletin which will be deemed to be sufficient notice to others.