In addition to the requirements of § 9–204 of this subtitle and Title 1, Subtitle 6 of this article, an applicant for a permit to install, materially alter, or materially extend a landfill system shall give notice of the application by certified mail to: The owners of all real property adjoining the site where the proposed project is located; The chairman of the legislative body and any elected executive of the county where the proposed project site is located; The elected executive of any municipal corporation where the proposed project site is located; and Any other county within 1 mile of where the proposed project site is located. Any informational meeting required by § 1–603 of this article shall be held in accordance with Title 1, Subtitle 6 of this article.