225 ILCS 710/26
It shall be unlawful for the operator or superintendent of any mine to permit the use, within such mine of any explosives, or any blasting caps or detonators, or fuse, unless there shall be plainly printed or marked, in the English language, on every original package containing explosives, the name and place of business of the manufacturer of such explosives, the date of its manufacture and its strength; and on every original package containing such fuse the name and place of business of the manufacturer of such fuse, the date of its manufacture, and its rate of burning; and on every original package containing blasting caps or detonators the name and place of business of the manufacturer of such blasting caps or detonators and the date of their manufacture.
225 ILCS 710/26