Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 211 - DEFINITIONS AND GENERAL PROVISIONS
Subpart B - DEFINITIONS
Section 211.5210 - Process Unit

"Process unit" means equipment and components assembled to produce, as intermediate or final products, one or more chemicals. A process unit can operate independently if supplied with sufficient feed or raw materials and sufficient storage facilities for the product. For purposes of Subpart Q of Parts 215, 218 and 219, a process unit must produce one or more of the chemicals listed in Appendix A of 35 Ill. Adm. Code 215, 218 or 219, as applicable.