Sec. 6. A public hearing shall be held on the proposed initial or revised application for a permit if any of the following conditions exist:
(1) The applicant requests a public hearing under section 4 of this chapter.
(2) A petition is filed with the director requesting a public hearing that is signed by at least twenty-five (25) individuals who are at least eighteen (18) years of age and who:
(A) reside in the county where the permitted activity would take place; or
(B) own real property within one (1) mile of the site of the proposed or existing permitted activity.
(3) The director orders a public hearing.