"Research and development operation" means, for purposes of 35 Ill. Adm. Code 218.187, 219.187, and 219.204(r), an operation:
whose purpose is for research and development of new processes and products;
that is conducted under the close supervision of technically trained personnel; and
that is not involved in the manufacture of final or intermediate products for commercial purposes, except in a de minimis manner.
Ill. Admin. Code tit. 35, § 211.5585
Added at 34 Ill. Reg. 9069, effective June 25, 2010