; and (B) take into consideration the effect the amounts would have on surrounding areas. (3) Consultation In distributing amounts made available for grants under this section, the Secretary shall consult with the Department of Transportation Advisory Committee on Human Trafficking in determining the amounts to be distributed to each grant recipient to ensure the best use of the funds. (c) Authorization of appropriations There is authorized to be appropriated to the Secretary to carry out this section $10,000,000 for each of fiscal years 2025 through 2028. 774B. Study on improvements for certain nonhub airports (a) In general Not later than 90 days after the date of enactment of this section, the Comptroller General shall conduct a study on the challenges faced by nonhub airports not designated as essential air service communities and recommend ways to help secure and retain flight schedules using existing Federal programs, such as the Small Community Air Service Development program. (b) Report Not later than 1 year after the date of enactment of this section, the Comptroller General shall submit to the appropriate committees of Congress a report on the results of the study conducted under subsection (a), including recommendations for such legislation and administrative action as the Comptroller General determines appropriate. B Passenger Facility Charges 775. Additional permitted uses of passenger facility charge revenue Section 40117(a)(3) of title 49, United States Code, is amended by adding at the end the following: (H) A project at a small hub airport for a noise barrier where the day–night average sound level from commercial, general aviation, or cargo operations is expected to exceed 55 decibels as a result of new airport development. (I) A project for the replacement of existing workspace elements (including any associated in-kind facility or equipment within or immediately adjacent to a terminal development or renovation project at such airport) related to the relocation of a Federal agency on airport