When it comes to a high pressure vapor release, the billowing apparition rapidly enveloping the facility is not as dangerous as what might already be much closer.
Four workers died in an accident involving an environmental incinerator.
No offsite impact reported.
Valve leaked nearly four hours before the fire.
Toxic vapor release threatened to get off plant property.
Four Arizona firefighters injured in the lithium-ion battery thermal runaway explosion.
Crushed aerosol cans gave off flammable fumes.
Fatalities include an oil field operator and his wife.
Peter Margiotta found guilty of conspiracy and Clean Air Act violations.
Anhydrous ammonia presents a risk of explosion under the right circumstances.