Questions and Answers
What occurs when a flammable vapour cloud spreads from too rich, through the flammable range to too lean?
Edges start to burn through deflagration
What is the term for the concentration of a substance below which it will not ignite?
Lower Explosive Limit (LEL)
What can cause a vapour cloud to detonate?
High flame velocity
What is the term for the release of toxic chemicals into the environment?
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What is the environment defined as in the context of process safety?
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What is the purpose of the Emergency Planning and Community Right-to-Know Act?
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What type of explosion can occur when a vapour cloud is confined?
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What is the term for a substance that can cause severe illness, poisoning, birth defects, disease, or death when ingested, inhaled, or absorbed by living organisms?
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What is the term for the maximum concentration of a substance that will ignite?
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What is the term for a fire that spreads quickly, often in a sudden and unexpected manner?
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