U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 139Subpart C - Subpart C—Standards for Specific Discharges Incidental to the Normal Operation of a Vessel
§ 139.10 - Ballast tanks.
§ 139.11 - Bilges.
§ 139.12 - Boilers.
§ 139.13 - Cathodic protection.
§ 139.14 - Chain lockers.
§ 139.15 - Decks.
§ 139.16 - Desalination and purification systems.
§ 139.17 - Elevator pits.
§ 139.18 - Exhaust gas emission control systems.
§ 139.19 - Fire protection equipment.
§ 139.20 - Gas turbines.
§ 139.21 - Graywater systems.
§ 139.22 - Hulls and associated niche areas.
§ 139.23 - Inert gas systems.
§ 139.24 - Motor gasoline and compensating systems.
§ 139.25 - Non-oily machinery.
§ 139.26 - Pools and spas.
§ 139.27 - Refrigeration and air conditioning.
§ 139.28 - Seawater piping.
§ 139.29 - Sonar domes.
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