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Title 24

Displaying title 24, up to date as of 6/09/2026. Title 24 was last amended 5/22/2026.
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Title 24Housing and Urban DevelopmentPart / Section
Subtitle AOffice of the Secretary, Department of Housing and Urban Development0 – 99
Part 51Environmental Criteria and Standards51.1 – 51.305
Subpart AGeneral Provisions51.1 – 51.4
§ 51.1Purpose.
§ 51.2Authority.
§ 51.3Responsibilities.
§ 51.4Program coverage.
Subpart BNoise Abatement and Control51.100 – 51.106
§ 51.100Purpose and authority.
§ 51.101General policy.
§ 51.102Responsibilities.
§ 51.103Criteria and standards.
§ 51.104Special requirements.
§ 51.105Exceptions.
§ 51.106Implementation.
Appendix I to Subpart B of Part 51
Definition of Acoustical Quantities
Subpart CSiting of HUD-Assisted Projects Near Hazardous Operations Handling Conventional Fuels or Chemicals of an Explosive or Flammable Nature51.200 – 51.208
Subpart DSiting of HUD Assisted Projects in Runway Clear Zones at Civil Airports and Clear Zones and Accident Potential Zones at Military Airfields51.300 – 51.305
§ 51.300Purpose.
§ 51.301Definitions.
§ 51.302Coverage.
§ 51.303General policy.
§ 51.304Responsibilities.
§ 51.305Implementation.