(415 ILCS 5/30) (from Ch. 111 1/2, par. 1030)
    Sec. 30. Investigations. The Agency shall cause investigations to be made upon the request of the Board or upon receipt of information concerning an alleged violation of this Act, any rule or regulation adopted under this Act, any permit or term or condition of a permit, or any Board order, and may cause to be made such other investigations as it shall deem advisable.
(Source: P.A. 92-574, eff. 6-26-02; 93-152, eff. 7-10-03.)