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Title 40

Displaying title 40, up to date as of 7/20/2026. Title 40 was last amended 7/16/2026.
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter CAir Programs50 – 99
Part 65Consolidated Federal Air Rule65.1 – 65.169
Subpart AGeneral Provisions65.1 – 65.19
Subpart B [Reserved]
Subpart CStorage Vessels65.40 – 65.59
Subpart DProcess Vents65.60 – 65.79
Subpart ETransfer Racks65.80 – 65.99
§ 65.80Applicability.
§ 65.81Definitions.
§ 65.82Design requirements.
§ 65.83Performance requirements.
§ 65.84Operating requirements.
§ 65.85Procedures.
§ 65.86Monitoring.
§ 65.87Recordkeeping provisions.
§§ 65.88-65.99 [Reserved]
Subpart FEquipment Leaks65.100 – 65.139
Subpart GClosed Vent Systems, Control Devices, and Routing to a Fuel Gas System or a Process65.140 – 65.169