Seveso, Italy
The undesired product that is the most potent toxin for humans
What is TCDD?
Accidents involving static buildup are commonly caused by the use of this kind of hose
What is nonmetallic?
The process conditions used at Flixborough
What are 155 ℃ and 7.9 atm
The ethylene oxide explosion occurred because a process storage tank was contaminated with this chemical compound
What is ammonia?
This scale is used to measure explosiveness
What is TNT equivalent?
The side effect of TCDD in non lethal doses to humans
What is chloracne?
Proper attire for handling flammable materials includes wearing these with built-in conductive components
What are shoes?
This reactor was found to be leaking before the accident
What is reactor 5?
These should not be installed underground
What are pipes?
Despite its name making it seemingly being unnecessary, the lack of this was one of the reasons for failure
What is design redundancy?
The amount of TCDD released over Seveso
What are 2 kg?
This rating system established the relative potential dangers of specific chemicals
What is the Reaction Hazard Index?
These dangerous compounds were in excessive quantities at the plant site
What are cyclohexane, naphtha, toluene, benzene and gasoline?
These must have backup
What are critical instruments?
This was incapable of doing its job with the runaway reactions
What is the reactor relief system?
The number of people (out of 50) who died after cleaning up after the disaster
What are 4 people?
These oxygen-containing compounds represent especially dangerous and common causes of explosions
What are peroxides?
The fire from the explosion lasted over this many days
What are 10 days?
Pipes must be free to do this so they do not damage other parts of the system
What is expand?
The owners did not know about the hazards, so this case led to an improvement in this
What is chemical engineering education?
The ways the hazard could have been identified and corrected before the accident occurred
What are hazard evaluation procedures?
It is critical to know this characteristic of reacting chemicals to know if vapors of the material could ignite
What is the flash point?
This was the source of the formation of the vapor cloud
What is the source was unknown?
This kind of system includes safety reviews, operating procedures and maintenance systems. The causes of all accidents can ultimately be attributed to a lack of it.
What are management systems?
MCMT stands for this
What is methylcyclopentadienyl manganese tricarbonyl?