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CCPS Process Safety Glossary
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A substance or agent to which exposure of a pregnant female can result in... Read More... |
A manufacturer's Catalogued Peripheral equipped with pushbuttons, lamps,... Read More... |
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A material that will undergo an exothermic, selfsustaining or accelerating... Read More... |
Chemicals and materials are thermally unstable if they decompose, degrade or... Read More... |
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Data associated with the aspects of a reaction that are based on the... Read More... |
The concentration in air that should not be exceeded during any part of the... Read More... |
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A 15-minute, time -weighted average concentration to which workers may be... Read More... |
The time-weighted average concentration limit for a normal 8-hour workday... Read More... |
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Time from that moment when equipment installation is complete, the time... Read More... |
The time within a 24-hour day, represented according to ISO 3307. |
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A failure that is primarily due to the degradation over the time that a... Read More... |
The time period measured from the moment when equipment installation is... Read More... |
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An estimation of the time required for an exothermic reaction, in an... Read More... |
A subset of continuous release (See Continuous Release) that the release... Read More... |
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The delay encountered by the signal (*) as it passes through the input... Read More... |
The delay encountered by the signal (*) as it passes through the output... Read More... |
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The time required, following the initiation of a specified stimulus to a... Read More... |
The time elapsed between two subsequent initiations of the same portion of... Read More... |
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The time elapsed between a change input signal state at the Field Input... Read More... |
The time required by the signal to pass (transfer) from the data storage in... Read More... |
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The time required by the signal to pass (transfer) from the data storage in... Read More... |
The time required by a MPU to carry out a specified portion of a user's... Read More... |
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A function block delaying a booisan input a specified Duration when changing... Read More... |
A function block delaying a booisan input signal a specified Duration when... Read More... |
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Median Tolerance Limit at which approximately 50% of the exposed species... Read More... |
Threshold Limit Value; a term used by ACGIH to express the airborne... Read More... |
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Models of explosion characteristics relating vapor cloud explosions to the... Read More... |
The maximum level of risk of a particular technical process or condition... Read More... |
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A measure of the uncertainty arising from the physical and the environmental... Read More... |
Contract manufacturer (external manufacturer). |
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An outsourced manufacturing company contracted to process materials to... Read More... |
Providing manufacturing services for a fee by a contractor (the toller), to... Read More... |
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The unwanted event or incident at the "top" of a fault tree that is traced... Read More... |
Dispersion models with no concentration gradients within the vapor cloud.... Read More... |