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Chemistry · Glossary

What is Hazard and risk?

Also known as: hazard · risk

Definition 29.1 University Chemistry — Year 1 · Chapter 29 — Lab Techniques I: Safety, Measurement and Separation

A hazard is the intrinsic property of a substance (or of a situation) that can cause harm: flammability, corrosiveness, toxicity. The risk is the likelihood that harm actually occurs, and its severity, under the given conditions of use: it depends on the hazard and on the exposure (quantity, concentration, duration, route, protection).

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