77 Ill. Adm. Code 205.1740
Lighting
Section 205
Section 205.1740 Lighting
a) All spaces occupied by people, machinery, and equipment within
buildings, approaches to the buildings, and parking lots shall have lighting.
b) A portable or fixed examination light shall be provided in
each examination and treatment room.
c) Procedure rooms shall have general lighting, in addition to
local lighting provided by adequate lighting units at the procedure tables.