35 Ill. Adm. Code 502.305
Agency Criteria
Section 502
Section 502.305Â Agency
Criteria
a)Â Â Â Â Â Â Â Â Unless otherwise provided for by Board rules, the Agency may
adopt procedures that state criteria for the design and maintenance of
facilities subject to this chapter. These procedures must 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 in
any criteria the Agency adopts, the Agency must publish a summary of the
proposed changes in the Environmental Register and, at the Agency's expense, in
a widely circulated agricultural periodical.
c)Â Â Â Â Â Â Â Â In adopting new or revised criteria, the Agency must comply
with the Illinois Administrative Procedure Act [5 ILCS 100].