35 Ill. Adm. Code 104.302
Agency Action
Section 104
Section 104.302Â Agency
Action
The Agency shall grant
provisional variances whenever it is found, upon presentation of adequate proof,
that compliance on a short term basis with any rule or regulation, requirement
or order of the Board, or with any permit requirement, would impose an arbitrary
or unreasonable hardship.
[415 ILCS 5/35(b)]