Ill. Admin. Code tit. 77, pt. 890, subpt. M, app K, ILLUSTRATION F

Current through Register Vol. 49, No. 2, January 10, 2025

Vent Grade and Vertical Rise

(Referenced in Section 890.1450(a) and (b))

Amended at 38 Ill. Reg. 9940, effective April 24, 2014