[Code of Federal Regulations] [Title 24, Volume 1] [Revised as of April 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 24CFR51.4] [Page 380] TITLE 24--HOUSING AND URBAN DEVELOPMENT PART 51_ENVIRONMENTAL CRITERIA AND STANDARDS--Table of Contents Subpart A_General Provisions Sec. 51.4 Program coverage. Environmental standards shall apply to all HUD actions except where special provisions and exemptions are contained in each subpart.