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Title 46

Displaying title 46, up to date as of 7/08/2026. Title 46 was last amended 6/30/2026.
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Title 46ShippingPart / Section
Chapter ICoast Guard, Department of Homeland Security1 – 199
Subchapter DTank Vessels30 – 40
Part 39Vapor Control Systems39.1001 – 39.6009
Subpart 39.1000General39.1001 – 39.1017
Subpart 39.2000Equipment and Installation39.2001 – 39.2015
Subpart 39.3000Vapor Collection Operations During Cargo Transfer39.3001
§ 39.3001Operational requirements for vapor control systems during cargo transfer—TB/ALL.
Subpart 39.4000Vessel-to-Vessel Transfers Using Vapor Balancing39.4001 – 39.4005
§ 39.4001General requirements for vapor balancing—TB/ALL.
§ 39.4003Design and equipment for vapor balancing—TB/ALL.
§ 39.4005Operational requirements for vapor balancing—TB/ALL.
Subpart 39.5000Multi-breasted Loading Using a Single Facility Vapor Connection39.5001 – 39.5005
§ 39.5001General requirements for multi-breasted loading—B/CLBR.
§ 39.5003Additional requirements for multi-breasted loading using an inboard barge vapor collection system—B/CLBR.
§ 39.5005Additional requirements for multi-breasted loading using a “dummy” vapor header—B/CLBR.
Subpart 39.6000Tank Barge Cleaning Operations with Vapor Collection39.6001 – 39.6009
§ 39.6001Design and equipment of vapor collection and stripping systems—B/ALL.
§ 39.6003Overpressure and underpressure protection during stripping or gas-freeing operations—B/ALL.
§ 39.6005Inspection prior to conducting gas-freeing operations—B/ALL.
§ 39.6007Operational requirements for tank barge cleaning—B/ALL.
§ 39.6009Barge person in charge: Designation and qualifications—B/ALL.