Risks of Hydrogen Sulphide
Hydrogen sulphide (H2S) is a colourless gas that smells like rotten eggs. At very high levels, hydrogen sulphide can be flammable and lethal.
If there is a leak of hydrogen sulphide or other hazardous chemicals in your area, contact the Spills Action Centre of the Ministry of Environment by calling 416-325-3000, 1-800-268-6060 (toll-free), or 1-855-889-5775 (TTY).
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