To provide a county or a municipal corporation, if appropriate, with an opportunity to consult with the Department about the decision to issue, deny, or place restrictions on a Sewage Sludge Utilization Permit, the Department shall mail a copy of the application for a research project to utilize sewage sludge to: The chairman of the legislative body and any elected executive of the county and municipal corporation where the research project is to be located; The chairman of the legislative body and any elected executive of any other county within 1 mile of the site where the research project is to be located; and The local health official if the research project includes the application of sewage sludge. The Department will consider all written comments and suggestions received within 15 calendar days after the chairman of the legislative body or the elected executive of the county or municipal corporation where the research project to utilize sewage sludge is to be located receives the application regarding the proposed project.