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7 Cards in this Set
- Front
- Back
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LEL or LFL
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Lower explosive limit or lower flammable limit (lean)
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UEL or UFL
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Upper explosive limit or lower flammable limit (rich)
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Generally, explosions of flammable vapor-air mixtures are most intense when...
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they are near the mid-limits of the flammable range.
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BLEVE
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Boiling Liquid Expanding Vapor Explosion: An increase in temperature of a liquid produces more vapor and pressure within a closed container. Pressure rise may be sufficient to cause container failure with explosive force.
**Liquids do not have to be flammable or combustible to BLEVE. |
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NFPA Standard 30
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Flammable Combustible Liquids Code
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Who regulates transportation of hazardous materials including flammable & combustible liquids?
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DOT
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NFPA Def. of FL
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Liquids having a flash point less than 100 degrees F and a vapor pressure not exceeding 40 p.s.i.
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