CERCLA, the federal Superfund law, can impose liability for hazardous waste cleanup on which parties?

A contractual right giving a party the opportunity to match any offer received before the owner can accept it from a third party.

Co-ownership where two or more people hold equal, undivided interests with the right of survivorship — when one owner dies, their share passes to the surviving owners.

Local government regulations that control land use by dividing areas into zones specifying permitted uses, building sizes, and densities.

Official permission to use land in a way that does not conform to the applicable zoning ordinance, granted by a zoning board when strict enforcement would cause undue hardship.