(Referenced in Section 890.120, Definition of "Trap.")
(Referenced in Section 890.120, Definition of "Trap Seal.")
Ill. Admin. Code tit. 77, 890, Subpart M, Appendix B ILLUSTRATION W
(Referenced in Section 890.120, Definition of "Trap.")
(Referenced in Section 890.120, Definition of "Trap Seal.")
Ill. Admin. Code tit. 77, 890, Subpart M, Appendix B ILLUSTRATION W