a. An applicant or operator who has been denied approval or renewal of approval by the department shall be given prompt written notice thereof, which shall include a statement of the reasons for the denial. The notice shall also inform the applicant or operator that it may, within thirty days after the receipt of the notice of denial, appeal the denial by making a written request to the director or his designee for an opportunity to show cause why its application should not be denied.

b. Upon receiving a written petition, the director or his designee shall give the applicant or operator reasonable notice and an opportunity for a prompt, informal meeting with the director or his designee with respect to the action by the department, and an opportunity to submit written material. On the basis of the available evidence, including information obtained at the informal meeting and from the written material, the director or his designee shall decide whether the application shall be granted for approval, provisional approval or denied. The decision of the director or his designee shall be in writing, shall contain findings of fact and shall be mailed to the parties to the proceedings by certified or registered mail. Notification of the decision shall be sent to the Governor and appropriate officials of the state or local government.