415 ILCS 5/7.5

(a) The Board shall collect filing fees as prescribed in this Act. The fees shall be deposited in the Pollution Control Board Fund. The filing fees shall be as follows: Petition for site-specific regulation, $75. Petition for variance, $75. Petition for review of permit, $75. Petition to contest local government decision pursuant to Section 40.1, $75. Petition for an adjusted standard, pursuant to Section 28.1, $75. Petition for a time-limited water quality standard, $75 per petitioner. (b) A person who has filed a petition for a variance from a water quality standard and paid the filing fee set forth in subsection (a) of this Section for that petition and whose variance petition is thereafter converted into a petition for a time-limited water quality standard under Section 38.5 of this Act shall not be required to pay a separate filing fee upon the conversion of the variance petition into a petition for a time-limited water quality standard.