77 Ill. Adm. Code 890.710
Food Waste Disposal Units
Section 890
Section 890.710 Food Waste
Disposal Units
a) Installation. Food waste disposal units shall be trapped
separately from any other fixture or compartment, shall be connected directly
to the sanitary drainage system, and shall be properly vented. Dishwashers
shall not discharge into food waste disposal units. Units may have either
automatic or hand-operated water supply control. (See Section 890.1130(a), (b)
and (c).)
b) Commercial-Type Grinders. Commercial-type food grinders shall
be provided with a waste line at least 2 inches in diameter. (See Appendix F: Illustration
D.)