77 Ill. Adm. Code 785.605
Churn Rooms
Section 785
Section 785.605Â Churn Rooms
Churn rooms in addition to
proper construction and sanitation shall be so equipped that the air is kept
free from odors and vapors by means of adequate ventilation and exhaust systems
or air conditioning and heating facilities (See Section 785.405(b)(2) and
(e)(1)).