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Regulations (Standards - 29 CFR) - Table of Contents
• Part Number: 1917
• Part Title: Marine Terminals
• Subpart: D
• Subpart Title: Specialized Terminals
• Standard Number: 1917.73
• Title: Terminal facilities handling menhaden and similar species of fish (See also § 1917.2, definition of hazardous cargo, materials, substance or atmosphere).
• GPO Source: e-CFR




Tanks in terminal areas used for receiving or storing bailwater for recirculating into vessel holds in discharging operations shall be opened or ventilated to minimize contamination of water circulated to the vessel. Bailwater tanks shall be thoroughly drained upon completion of each day's operations and shall be left open to the air. Drainage is unnecessary when bailwater has been treated to remove hydrogen sulfide-producing contaminants and the efficiency of such treatment has been established by the employer.


Before employees enter a dock tank, it shall first be drained, rinsed and tested for hydrogen sulfide and oxygen deficiency. Employees shall not enter the tank when the hydrogen sulfide level exceeds 20 ppm or oxygen content is less than 19.5 percent, except in emergencies.


Tests shall be conducted by designated personnel with suitable test equipment and respiratory protective equipment complying with the provisions of 1910.134 of this chapter.


Pipelines and hoses on the dock or terminal used for receiving and circulating used bailwater shall be completely drained upon completion of each day's operation and left open to the air.



At least four units of respiratory protective equipment consisting of supplied-air respirators or self-contained breathing apparatus complying with the requirements of 1910.134 of this chapter shall be available in a suitably labeled cabinet for immediate use in case of emergency caused by oxygen deficiency or hydrogen sulfide. Any employee entering a tank in an emergency shall, in addition to respiratory protective equipment, wear a lifeline and safety harness to facilitate rescue. At least two other employees, similarly equipped, shall be continuously stationed outside the tank to observe and to provide rescue services.


The plant superintendent and foremen shall be trained and knowledgeable about the hazards of hydrogen sulfide and oxygen deficiency. They shall be trained in the use of appropriate respiratory and other protective equipment, and in rescue procedures. Other supervisory plant personnel shall be informed of these hazards and instructed in the necessary safety measures, including use of respiratory and rescue equipment.


Supervisory personnel shall be on hand at dockside to supervise discharging of bailwater from vessels.

[62 FR 40141, July 25, 1997; 65 FR 40940, June 30, 2000]

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Regulations (Standards - 29 CFR) - Table of Contents

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