; (B) iron, steel, and the relevant manufactured goods are not produced in the United States in sufficient and reasonably available quantities and of a satisfactory quality; or (C) inclusion of iron, steel, and manufactured goods produced in the United States will increase the cost of the overall project by more than 25 percent. (3) If the Secretary of Energy receives a request for a waiver under this subsection, the Secretary shall make available to the public on an informal basis a copy of the request and information available to the Secretary concerning the request, and shall allow for informal public input on the request for at least 15 days prior to making a finding based on the request. The Secretary shall make the request and accompanying information available by electronic means, including on the official public website of the Department of Energy. (4) This subsection shall be applied in a manner consistent with the United States obligations under international agreements. (h) Prevailing wages All laborers and mechanics employed by contractors or subcontractors in the performance of construction, alteration, or repair work assisted, in whole or in part, by a grant under this section shall be paid wages at rates not less than those prevailing on similar construction in the locality as determined by the Secretary of Labor in accordance with subchapter IV of chapter 31 of title 40, United States Code. With respect to the labor standards in this subsection, the Secretary of Labor shall have the authority and functions set forth in Reorganization Plan Numbered 14 of 1950 (64 Stat. 1267