KILLER — THE LETHAL DANGER OF HYDROGEN SULPHIDE
|D O W N L O A D|
Unlike most of the other gases commonly encountered in the industry, H2S does not bubble off. Being heavier than air, it stays close to the lower part of the compartment especially when there is no natural or mechanical ventilation that would disturb it. Hydrogen sulfide is deservedly considered one of the most dangerous substances for human life. Taking into account its tendency to stay closer to the floor, it is therefore wise to avoid any areas where the gas can be accumulated.
The maximum time for which a person is allowed to be exposed to the H2S of 15 ppm concentration shall never exceed 15 minutes. The present video training will acquaint future mariners or people engaged in the ship repair, i.e. all people who may have to face this when performing their day-to-day activities, with all dangers associated with hydrogen sulfide and with the ways to avoid such dangers. We would highly recommend any persons whose job implies working in the spaces where H2S might be present, to have a close look in the content of this training.
Of course, we are first of all talking about the gas accumulated in the lower part of the tanks. All people shall have a good understanding of the engineering and administrative control measures as well as the use of personal protective equipment, and be duly aware of the emergency response techniques.
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