This Federal Agency is charged with enforcement of safety and health legislation
OSHA
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| Term | Definition |
|---|---|
This Federal Agency is charged with enforcement of safety and health legislation | OSHA |
Device that limits the pressure increase in a system or vessel | relief valve |
The 3 sides of the fire triangle | oxidizer, fuel and ignition source |
This is the temperature above which adequate energy is available in the environment to provide an ignition source | Autoignition Temperature (AIT) |
These are the 4 major methods for achieving Inherently Safer Design | minimize, substitute, moderate and simplify |
This is given by (picture given of a diamond diagram with colors) | NFPA diamond |
These are the 5 sides of the dust explosion pentagon | fuel (dust), oxidizer (air), ignition source, suspension, and confinement |
A device placed in pipes and other locations that stops fuel combustion by cooling the flame | flame arrestor |
This federal government regulation covers operations involving hazardous wastes that are
conducted at treatment, storage, and disposal facilities | OSHA Hazardous Waste Operations and Emergency Response (HAZWOPER) |
Uses OR and AND logic functions to evaluate risks in a process | fault tree |
This is defined as a chemical or physical condition that has the potential for causing damage to people, property or the environment | hazard |
This is defined as a rapid expansion of gases resulting in a rapidly moving pressure or shock wave | explosion |
This type of spring-loaded relief valve is used when high backpressures are present | balanced bellows |
The deflagration index for gases and dusts is calculated by multiplying (dP/dt)max by the
volume (V) raised to this power | 1/3 |
This equipment, abbreviated ARSST, is commonly used to evaluate reactive hazards | Advanced Reactive System Screening Tool |
These are the 3 major types of chemical plant accidents | fires, explosions, and toxic releases |
This is the OSHA equivalent of the Threshold Limit Value – Ceiling (TLV-C) | Immediately Dangerous to Life and Health (IDLH) |
The red area on the NFPA diamond given here represents the level of this hazard | fire |
This 1976 legislation regulates the introduction of new or already existing chemical in the
United States | Toxic Substances Control Act (TSCA) of 1976 |
For industrial operations where flammable vapors may be present, any charge accumulation
exceeding this energy level is considered dangerous | 0.1 mJ |
This is the OSHA equivalent of the Threshold Limit Value – Time Weighted Average
(TLV-TWA) | Permissible Exposure Limit (PEL) |
This chemical was released in large quantities and caused 1000’s of deaths on December 3,
1984, in Bhopal, India | methyl isocyanate (MIC) |
The 1974 accident that occurred at Flixborough, England depicted here could have been
prevented through the use of this procedure commonly abbreviated by MOC | Management of Change (MOC) |
The Risk Management Plan (RPM) Rule implements Section 112(r) of this 1990 federal
legislation | the 1990 Clean Air Act Amendments |
This instrument, abbreviated ARSST, is used to determine properties of runaway
reactions | Advanced Reactive System Screening Tool |
NFPA is the abbreviation for this organization | National Fire Protection Association |
This occurs when a process is unable to remove adequate heat from a reactor to control the temperature | runaway reaction |
The method depicted here is used to qualify and quantify the hazards and risks of a process
(Image of a tree of logic gates) | Fault Tree |
This is the lowest temperature at which a liquid gives off enough vapor to ignite in air and
continue to burn | fire point |
This is the flow of electricity produced by transferring electrons from one surface to
another by a flowing fluid or solid | streaming current |
VCE | Vapor Cloud Explosion |
AIT | AutoIgntion Temperature |
NFPA | National Fire Protection Association |
BLEVE | Boiling Liquid Expanding Vapor Explosion |
DIERS | Design Institute for Emergency Relief Systems |
These are the minimum voltage and energy of an electrostatic discharge that are considered
hazardous in industrial operations where flammable vapors are present | 350 V and 0.1 mJ |
This phenomenon makes a geometry like the following particularly dangerous during an
explosion
(image of a 2d image in the shape of a blocky dumbbell) | pressure piling |
These are used instead of spring-operated relief valves when it is desired to keep the relief
line open following the relieving event | rupture discs |
From the Greek word meaning “fire-bearing,” this is the term for a compound that is
capable of igniting spontaneously in air | Pyrophoric |
This type of flow is generally assumed when sizing a relief valve for a runaway reaction | 2-phase flow |
This is the power to which the volume (V) is raised in the following equation when experimental explosion data are used to determine the explosive behavior of materials in process vessels
(dP/dT)_max V^a | 1/3 |
This type of electrostatic discharge can occur in the situation shown below
(image of instrument) | propagating brush discharge or a Lichtenberg discharge |
This is defined as the lowest temperature at which a vapor above a flammable liquid will
ignite briefly | flash point |
These are the 3 steps involved in an accident | initiation, propagation and termination |
A dust explosion requires a fuel (dust), oxidizer, ignition source and these 2 conditions | suspension and confinement |
A Class D fire involves these materials | metals |
A standard inerting procedure is to reduce the oxygen concentration to 4% below this value | limiting oxygen concentration (LOC) |
The type of discharge depicted here
(An image of someone putting their fingertip on a metal door handle) | spark discharge |
Process used to reduce the voltage difference between two conductive materials to zero | bonding |
Parameter determined using the following equation | streaming current |
The τ (tau) in the following equation
Is = [10x10^-6 amp / (m/s)^2 (m)^2](ud)^2[1 - exp(-L/u tau)] | relaxation time |
This type of gas or vapor flow is commonly assumed in source model calculations to provide a worst-case scenario | choked flow |
This is the type of electrostatic discharge from a person that occurs following walking on a carpet | spark discharge |
The pressure at the outlet of a relief device during the relief process resulting from the pressure of the discharge system | Backpressure |
A passive device placed in pipes and other locations that stops fuel combustion by cooling
the flame | flame arrestor |
This type of explosion is characterized by a shock wave that moves faster than the speed of sound | detonation |
This is the exposure time for the Threshold Limit Value for Short Term Exposure (TLV-STEL) | 15 minutes |
This can be determined by finding the intersection of the LFL and fuel vapor pressure lines | flash point |
This process can be used in enclosed areas to reduce static charge accumulation, especially in the wintertime | humidification |
The year that the OSHact was signed into law by President Richard Nixon | 1970 |
The overpressure from explosions is commonly estimated by using an equivalent mass of this substance | TNT |
FP | flash point |
LOPA | layer of protection analysis |
IDLH | Immediately Dangerous to Life and Health |
This parameter is defined as the maximum airborne concentration below which it is believed that nearly all individuals could be exposed for up to 1 hour without experiencing
effects other than mild transient adverse health effects | Emergency Response Planning Guidelines -1 (ERPG-1) |
TLV-TWA | threshold limit value – time weighted average |
PEL | permissible exposure limit |
The 1970 OSHA Act was signed into law by this U.S. president | Richard Nixon |
In addition to creating OSHA, the 1970 OSHAct also created this organization whose
mission is “to develop new knowledge in the field of occupational safety and health and to
transfer that knowledge into practice | NIOSH? (National Institute for Occupational Safety and Health) |
This legislation provides guidelines maintained by OSHA that regulates hazardous waste
operations and emergency services in the United States and its territories | HAZWOPER? (Hazardous Waste Operations and Emergency Response) |
Creation of the U.S. Chemical Safety and Hazard Investigation Board was authorized by this 1990 federal legislation | 1990 Clean Air Act Amendments |
The 2016 update of the 1976 Toxic Substance Control Act (TSCA) was named after this former New Jersey Senator | Frank R. Lautenberg |
A balanced bellows spring loaded device is used when this occurs | systems with a large backpressure |
These data, abbreviated as ERPG, are commonly used when developing evacuation strategies following the release of toxic substances | Emergency Response Planning Guidelines |
This is the most common type of electrostatic discharge in industry | spark discharge |
This organization, denoted by the abbreviation CSB, was formed in the 1990 Clean Air Act Amendments legislation | Chemical Safety Board |
The Risk Management Plan (RMP) implements Section 112(r) of this federal legislation. | 1990 Clean Air Act Amendments |
On June 22, 2016, the Frank R. Lautenberg Chemical Safety for the 21st Century Act (Lautenberg Chemical Safety Act) was signed into law, which was an update of this 1976
legislation | Toxic Substances Control Act (TSCA) |
The 1970 OSHAct created the Occupational Safety and Health Administration (OSHA) and this related organization | NIOSH (National Institute for Occupational Safety and Health) |
In Half Tops (2 words) | Flash Point |
Fuel Treat (2 words) | Fault Tree |
Pine Sol Ox (1 word) | Explosion |
Tiger Inn (1 word) | Inerting |
Dupe Risk Rut (2 words) | Rupture Disk |