35 Ill. Adm. Code 201.164
Design Criteria
Section 201
Section 201.164Â Design
Criteria
a)Â Â Â Â Â Â Â Â The Agency may adopt procedures that set forth criteria for
the design, operation or maintenance of emission units and air pollution
control equipment. These procedures shall be revised from time to time to
reflect current engineering judgment and advances in the state of the art.
b)Â Â Â Â Â Â Â Â Before adopting new criteria or making substantive changes to
any criteria adopted by the Agency, the Agency shall:
1)Â Â Â Â Â Â Â Â Publish a summary of the proposed changes in the Environmental
Register or a comparable publication at the Agency's expense; and
2)Â Â Â Â Â Â Â Â Provide a copy of the full text of the proposed changes to any
person who in writing so requests; and
3)Â Â Â Â Â Â Â Â Defer adoption of the changes for 45 days from the date of
publication to allow submission and consideration of written comments on the
proposed changes.