[Code of Federal Regulations] [Title 24, Volume 1] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 24CFR51.1] [Page 375-376] TITLE 24--HOUSING AND URBAN DEVELOPMENT PART 51_ENVIRONMENTAL CRITERIA AND STANDARDS--Table of Contents Subpart A_General Provisions Sec. 51.1 Purpose. Subpart A_General Provisions Sec. 51.1 Purpose. 51.2 Authority. 51.3 Responsibilities. 51.4 Program coverage. Subpart B_Noise Abatement and Control 51.100 Purpose and authority. 51.101 General policy. 51.102 Responsibilities. 51.103 Criteria and standards. 51.104 Special requirements. 51.105 Exceptions. 51.106 Implementation. [[Page 376]] Appendix I to Subpart B to Part 51--Definition of Acoustical Quantities Subpart C_Siting of HUD-Assisted Projects Near Hazardous Operations Handling Conventional Fuels or Chemicals of an Explosive or Flammable Nature 51.200 Purpose. 51.201 Definitions. 51.202 Approval of HUD-assisted projects. 51.203 Safety standards. 51.204 HUD-assisted hazardous facilities. 51.205 Mitigating measures. 51.206 Implementation. 51.207 Special circumstances. 51.208 Reservation of administrative and legal rights. Appendix I to Subpart C to Part 51--Specific Hazardous Substances Appendix II to Subpart C to Part 51--Development of Standards; Calculation Methods Subpart D_Siting of HUD Assisted Projects in Runway Clear Zones at Civil Airports and Clear Zones and Accident Potential Zones at Military Airfields 51.300 Purpose. 51.301 Definitions. 51.302 Coverage. 51.303 General policy. 51.304 Responsibilities. 51.305 Implementation. Authority: 42 U.S.C. 3535(d), unless otherwise noted. Source: 44 FR 40861, July 12, 1979, unless otherwise noted. The Department of Housing and Urban Development is providing program Assistant Secretaries and administrators and field offices with environmental standards, criteria and guidelines for determining project acceptability and necessary mitigating measures to insure that activities assisted by the Department achieve the goal of a suitable living environment.