77 Ill. Adm. Code 890.610
General Requirements - Material and Design
Section 890
Section 890.610 General
Requirements - Material and Design
a) Quality of Fixtures: Plumbing fixtures shall comply with
approved designs, be constructed from approved materials, have smooth,
impervious surfaces and be free of defects and concealed fouling surfaces. (See
Appendix A: Table A "Approved Materials and Standards for Plumbing
Fixtures" and "Approved Standards for Plumbing
Appliances/Appurtenances/Devices".)
b) Used plumbing material, equipment and fixtures for plumbing
installations shall comply with this Part.
c) Any plumbing equipment condemned by the Department because of
wear, damage, defects or sanitary hazards shall not be used in a plumbing
system.