Ignition of a mixture of a flammable substance and oxidant in a closed environment.
Release of Substance
Science > Flammability > Explosions > Release of Substance
“An uncontrolled loss of containment of materials from a process that has the potential for causing onsite or offsite acute health effects, significant environmental effects (e.g., compromise of a public drinking water supply), or significant on-site or off-site property damage.”
Reference: adapted from Definition by CCPS http://www.aiche.org/ccps/resources/glossary/process-safety-glossary/catastrophic-release