Hazardous Substances

Many materials or substances used or created at work could harm your health. These substances could be dusts, gases or fumes that you breathe in, or liquids, gels or powders that come into contact with your eyes or skin. There could also be harmful micro-organisms present that can cause infection, an allergic reaction or are toxic.

Risks associated with lead, asbestos or radioactive substances have their own specific regulations.

Some substances can cause asthma or other diseases, including cancer. Many can damage the skin, and some can cause serious long-term damage to the lungs.

The effect can be immediate, such as dizziness or stinging eyes, or can take many years to develop, such as lung disease. Many of the long-term or chronic effects cannot be cured once they develop.

See our guidance below.

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Hazardous Substances | International Advice

Specialist: Nicole Jones

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Nicole joined First Option in 2020. She previously worked in customer service and was a Health and Safety coordinator in the construction/heating industry.

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Article last updated on Sep 10th, 2025

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