If the Secretary denies a permit or renewal of a permit or revokes or limits a permit, the Secretary shall provide written notice of that initial action to the applicant, including a detailed explanation of the reason or reasons for the initial action. A person who is denied a permit or renewal of a permit or whose permit is revoked or limited may request the Secretary to conduct an informal review by filing a written request within 10 days after receipt of the written notice of the Secretary’s initial action under subsection (a) of this section. An informal review: may include a personal interview of the person who requested the informal review; and is not subject to Title 10, Subtitle 2 of the State Government Article. In an informal review, the Secretary shall sustain, reverse, or modify the initial action taken and notify the person who requested the informal review of the decision in writing within 30 days after receipt of the request for informal review. The written notice of the results of the Secretary’s informal review under paragraph (1) of this subsection shall include a detailed explanation of the reason or reasons for the Secretary’s decision to sustain, reverse, or modify the initial action. A person need not file a request for an informal review under this section before requesting review under § 5–312 of this subtitle.