(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

Terms Used In Illinois Compiled Statutes 415 ILCS 5/7.3


        (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.