(415 ILCS 5/7.3) (from Ch. 111 1/2, par. 1007.3)
    Sec. 7.3. (a) The Board in its discretion may submit the following for publication in the Illinois Register as it deems appropriate:
        (1) a regulatory agenda to solicit comments concerning any rule that the Board is
    
considering for proposal, but for which no notice of rulemaking activity has been submitted to the Illinois Register;
        (2) notices of all petitions for individual adjusted standards that have been filed with
    
the Board;
        (3) notices of all public hearings to be held by the Board, including any hearings
    
scheduled by the Board for consideration of an individual adjusted standard petition;
        (4) the results of Board determinations concerning the necessity for economic impact
    
studies;
        (5) restricted status lists, on a quarterly basis; and
        (6) any other documents related to the activities of the Pollution Control Board that
    
the Board deems appropriate for publication.
    (b) The Board shall publish the following in the Illinois Register:
        (1) pursuant to Section 5-40 of the Illinois Administrative Procedure Act, notice of all
    
proposed regulations;
        (2) pursuant to Sections 5-45 and 5-50 of the Illinois Administrative Procedure Act,
    
notice of all emergency and peremptory regulations; and
        (3) the results of Board determinations concerning adjusted standards proceedings.
(Source: P.A. 88-45.)