(a) Except as provided under Section 8, no person may commence a regulated release unless the person provides to the reviewing Department for that regulated release all of the following information within 7 days after the person submits or should have submitted the information specified in paragraph (1) of this subsection (a) to a federal regulator, whichever is sooner:
        (1) A copy of all information which the person is
    
required to submit to the federal regulator and which is not confidential information.
        (2) A summary of any confidential information which
    
the person submits or is required to submit to a federal regulator. The summary shall be sufficient to enable the reviewing Department to prepare the comment authorized under Section 5 and to provide information to the public and shall have minimal extraneous and irrelevant information.
    (b) Notwithstanding subsection (a) of Section 7, if either Department receives information under this subsection, it shall provide a copy of such information to the other Department.