(a) The Agency is hereby authorized to acquire the fee or any lesser interest, including easements, in real property where necessary or appropriate: (1) to protect human health or the environment; or(2) to respond to the release or substantial threat of a release of any hazardous substance or petroleum into the environment; or(3) as part of a proceeding to foreclose or enforce liens or interests under Section 21.3.(b) The Agency is authorized to retain for public use or to convey, deed, assign or otherwise transfer all or any portion of the interest in real property acquired pursuant to subsection (a) and may place restrictions upon the use of the property after transfer as are necessary or appropriate:(1) to protect present or future human health or the environment; or(2) to respond to the release or substantial threat of a release of any hazardous substance or petroleum into the environment.(c) Any monies received by the State of Illinois pursuant to paragraph (b) of this Section shall be deposited in the Hazardous Waste Fund.