N.J. Stat. § 13:1E-125.1
As used in this act:
"Closed sanitary landfill facility" means a sanitary landfill facility, or a portion of a sanitary landfill facility, for which performance is complete with respect to all activities associated with the design, installation, purchase, or construction of all measures, structures, or equipment required by the Department of Environmental Protection, pursuant to law, in order to prevent, minimize, or monitor pollution or health hazards resulting from a sanitary landfill facility subsequent to the termination of operations at any portion thereof, including, but not necessarily limited to, the placement of earthen or vegetative cover, and the installation of methane gas vents, monitors, and air pollution control devices and leachate monitoring wells or collection systems at the site of any sanitary landfill facility.
"Closure" or "closure costs" means activities and costs associated with the design, purchase, reuse, construction, or maintenance of all measures deemed necessary by the Department of Environmental Protection, pursuant to law, in order to prevent, minimize, or monitor pollution or health hazards resulting from a legacy landfill or any other landfill subsequent to the termination of operations at any portion thereof, including, but not necessarily limited to, the costs of general liability insurance, the placement or regrading of fill material, the placement of final earthen or vegetative cover, the installation of methane gas vents or monitors and leachate monitoring wells or collection systems, and long-term operations and maintenance, at the site of a legacy landfill or any other landfill that is not listed on the National Priorities List pursuant to the "Comprehensive Environmental Response, Compensation, and Liability Act of 1980,"42 U.S.C. s. 9605.
"Commissioner" means the Commissioner of Environmental Protection.
"Department" means the Department of Environmental Protection.
"Legacy landfill" means a landfill that ceased operations prior to January 1, 1982, and received for disposal:
"Owner or operator" means and includes, in addition to the usual meanings thereof, each owner of record or any interest in land whereon a legacy landfill or sanitary landfill facility is or has been located, and any person or corporation which owns a majority interest in any other corporation which is the owner or operator of any legacy landfill or sanitary landfill facility.
"Person" means an individual, trust, firm, joint stock company, business concern, and corporation, including, but not limited to, a partnership, limited liability company, or association. "Person" shall also mean any responsible corporate official.
"Sanitary landfill facility" means a solid waste facility at which solid waste is deposited on or in the land as fill for the purpose of permanent disposal or storage for a period exceeding six months, except that it shall not include any waste facility approved for disposal of hazardous waste.
"Solid waste" means garbage, refuse, and other discarded materials resulting from industrial, commercial, and agricultural operations, and from domestic and community activities, and shall include all other waste materials including liquids.
N.J.S. § 13:1E-125.1