Investigators blamed the incident on an accidental release of freon gas from the vessel's fire-extinguishing system.

Examples are the accidental release of an email to a spam list, or if the address was procured by spammers.

It can be used to estimate the total health effects of a process or accidental release involving ionizing radiation to an exposed population.

An accidental release of methanol in the environment would, however, cause much less damage than a comparable gasoline or crude oil spill.

In the event of an accidental release of steam, air and steam would vent through filters that confined any radioactive particles present.