In this chapter - (1) "cosmetic", "device", "drug", "food", and "food additive" have the same meanings given those terms in section 201 of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 321). (2) "nonfood product" means (individually or by class) a material, substance, or product that is not a cosmetic, device, drug, food, or food additive, or is deemed a nonfood product under section 5703(a)(2) of this title, including refuse and solid waste (as defined in section 1004 of the Solid Waste Disposal Act (42 U.S.C. 6903)). (3) "refuse" means discarded material that is, or is required by law, to be transported to or disposed of in a landfill or incinerator. (4) "State" means a State of the United States, the District of Columbia, Puerto Rico, the Northern Mariana Islands, the Virgin Islands, American Samoa, Guam, and any other territory or possession of the United States. (5) "transports" and "transportation" mean any movement of property in commerce (including intrastate commerce) by motor vehicle or rail vehicle. (6) "United States" means all of the States.