35 Ill. Adm. Code 249.105
Monitoring Locations
Section 249.105Â Monitoring Locations
The Agency must monitor ethylene oxide levels in the ambient
air in or around the following locations in Illinois under the requirements of Section
249.110:
a)Â Â Â Â Â Â Â Â Northbrook;
b)Â Â Â Â Â Â Â Â Schiller Park;
c)Â Â Â Â Â Â Â Â Nilwood;
d)Â Â Â Â Â Â Â Â Alton; and
e)Â Â Â Â Â Â Â Â Bondville.