"Heatset web offset lithographic printing line" means a lithographic printing line in which a blanket cylinder is used to transfer ink from a plate cylinder to a substrate continuously fed from a roll or an extension process and an oven is used to solidify the printing inks.
Ill. Admin. Code tit. 35, § 211.2850
Amended at 19 Ill. Reg. 6823, effective May 9, 1995