Hydrogen sulphide gas exposure factsheet

This factsheet explains the health risks of breathing in hydrogen sulphide gas and actions you can take to minimise the risks of hydrogen sulphide gas.

Hydrogen sulphide is a gas that is commonly generated within sewage holding tanks on board a vessel. It is a toxic, flammable, colourless gas that is heavier than air and smells like rotten eggs.

Breathing in high levels of hydrogen sulphide gas can cause loss of consciousness within as little as one or two breaths and loss of life within minutes.

Download the factsheet to find out more.

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Download Hydrogen sulphide gas exposure factsheet PDF 161.46KB Current as of Monday, 25 July 2022.

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Type: Factsheet
Author: Transport for NSW
Publication Date: 25 July 2022

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