A lien pursuant to § 22a-452a shall not be placed against real estate on which a service station was transferred and in operation on or after May 1, 1967, provided the transferor certifies to the transferee that (1) the service station, or any part thereof, complies with regulations adopted by the Commissioner of Energy and Environmental Protection pursuant to subsection (d) of § 22a-449 concerning design, construction, installation and maintenance of underground facilities storing oil or petroleum liquids, (2) there has been no spill on the real estate or any spill has been remediated in accordance with procedures approved by the commissioner and the commissioner has determined that such spill does not pose a threat to human health or safety or to the environment which would warrant containment or removal or other mitigation measures, and (3) any hazardous waste or oil or petroleum liquid remaining on the real estate is being managed in accordance with the provisions of chapter 446k and regulations adopted thereunder.