CCPS Process Safety Glossary
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Milligram; a metric unit of weight. There are 1,000 milligrams in 1 gram (... Read More... |
Milligrams per kilogram; an expression of toxicological dose. See also, "g/... Read More... |
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Milligrams per cubic meter; a unit of measuring concentrations of dusts,... Read More... |
Isothermal techniques of high sensitivity in which heat fluxes from the... Read More... |
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The control and processing portion of a computer or microcomputer, that can... Read More... |
One thousandth part of one inch, equal to 25.4 mm. |
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The smallest combination of component and human failures which, if they all... Read More... |
A term used in Fault Tree Analysis to describe the smallest combination of... Read More... |
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The lowest concentration of a combustible dust in air, expressed in grams... Read More... |
The lowest concentration of combustible dust necessary to produce an... Read More... |
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The lowest mass of fuel in the flammable range that will cause a defined... Read More... |
The ratio of the minimum current required from an inductive spark discharge... Read More... |
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The lowest energy of an electrical spark discharge that will ignite a... Read More... |
The minimum amount of energy released at a point in a combustible mixture... Read More... |
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Electrical energy discharged from a capacitor, which is just sufficient to... Read More... |
Initiation of flame propagation in a combustible mixture requires an... Read More... |
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Voltage across capacitor of specified capacitance which upon discharge is... Read More... |
Infrequent occurrence of these accidents or near misses have acceptable... Read More... |
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A dispersion of fine liquid droplets in a gaseous medium. |
Lessening the risk of an accident event sequence by acting on the source in... Read More... |
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An act that causes a consequence to be less hazardous (CCPS, 2001) |
Reducing the risk of an accident event sequence by taking protective... Read More... |
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The act of causing a consequence to be less severe. |
Equipment and/or procedures designed to respond to an accident event... Read More... |
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Systems or procedures, such as water sprays, foam systems, and sheltering... Read More... |
Equipment and/or procedures designed to respond to an accident event... Read More... |
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Maximum elevation of mixing in a typical daytime boundary layer. |
Milliliter; a metric unit of capacity, equal in volume to 1 cubic centimeter... Read More... |
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Millimeters (mm) of Mercury (Hg); a unit of measurement for low pressures or... Read More... |
The means by which human interaction with the control system is accomplished... |
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Mathematically, ru2 (in Newtons/m2), the product of the cloud density and... Read More... |
Mathematically, ru2A (in Newtons), the product of the cloud density, speed... Read More... |
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Accounts for the effects of stability and is proportional to u*3 divided by... Read More... |
Used in many boundary layer and transport and dispersion models to estimate... Read More... |
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A simple molecule that is capable of combining with a number of other... Read More... |
A structured analysis of an incident directed by insights from historic case... Read More... |