When an application for certificate of approval is filed, the Department shall have an investigation made of: The applicant; The private group home for which approval is sought; The facts stated in the application; The number of other group homes or alternative living units in the neighborhood; The public utilities and services available; and The access to transportation, shopping and recreational facilities, and health-related services. When an application for certificate of approval is filed, the Secretary shall hold a public hearing on the application. The Secretary shall publish a notice of the hearing within 60 days of receipt of the completed application. The notice shall state: The name of the applicant; The type of approval that is sought; The location of the proposed private group home; and The time and place that the Secretary sets for the hearing, which shall be at least 7 but not more than 15 days after the last publication of the notice. The notice shall be published at least twice in 1 week: In 2 newspapers published in the county where the private group home is to be located; If only 1 newspaper is published in that county, in that newspaper; or If a newspaper is not published in that county, any newspaper with substantial circulation in that county.