Terms used in this Act, unless the context otherwise requires, are defined as follows:
(1) "junkyard" means an establishment or place of business which is maintained, operated, or used for storing, keeping, buying, or selling junk, or for the maintenance or operation of an automobile graveyard, and the term shall include garbage dumps and sanitary fills;(2) "junk" means old or scrap copper, brass, rope, rags, batteries, paper, trash, rubber debris, waste, or junked, dismantled or wrecked automobiles, or parts thereof, iron, steel, and other old or scrap ferrous or nonferrous material;(3) "automobile graveyard" means any establishment or place of business which is maintained, used, or operated for storing, keeping, buying or selling wrecked, scrapped, ruined or dismantled motor vehicles or motor vehicle parts;(4) "scrap processing facility" means any establishment having facilities for processing iron, steel, nonferrous scrap, mineral wastes or slag, and whose principal produce is scrap iron, steel, or nonferrous scrap for sale for remelting purposes only;(5) "Department" means the Department of Transportation of the State of Illinois.