24 C.F.R. § 51.102
Responsibilities
(a) Notice to applicants. At the earliest possible stage, HUD program staff shall:
(1) Determine the suitability of the acoustical environment of proposed projects;
(2) Notify applicants of any adverse or questionable situations; and
(3) Assure that prospective applicants are apprised of the standards contained herein so that future site choices will be consistent with these standards.
(b) Interdepartmental coordination. HUD shall foster appropriate coordination between field offices and other departments and agencies, particularly the Environmental Protection Agency, the Department of Transportation, Department of Defense representatives, and the Department of Veterans Affairs. HUD staff shall utilize the acceptability standards in commenting on the prospective impacts of transportation facilities and other noise generators in the Environmental Impact Statement review process.