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620 ILCS 35/10

    (620 ILCS 35/10) (from Ch. 15 1/2, par. 760)
    Sec. 10. Establishment of permanent noise monitoring systems.
    (a) No later than December 31, 2008, each airport shall have an operable permanent noise monitoring system. The system shall be operated by the airport sponsor. The airport sponsor shall be responsible for the construction or the design and construction of any system not constructed or designed and constructed as of July 13, 2009 (the effective date of Public Act 96-37). The cost of the systems and of the permanent noise monitoring reports under Section 15 of this Act shall be borne by the airport sponsor.
    (b) On or before June 30, 2018, each airport shall upgrade its permanent noise monitoring system to be capable of producing the data necessary to meet the requirements of this Act enacted in Public Act 99-202. On June 30, 2018 and thereafter, an airport's permanent noise monitoring report and noise contour maps shall be produced using the criteria in this Act enacted in Public Act 99-202.
(Source: P.A. 100-165, eff. 8-18-17; 100-863, eff. 8-14-18.)