191 [updated] - Eemua Publication

Automatically silencing secondary alarms caused by a primary trip (e.g., if a pump trips, you don't need low-flow alarms for every sensor downstream). EEMUA 191 vs. ISA 18.2

Poorly designed alarm systems lead to "alarm floods"—situations where operators receive hundreds of alarms per hour during upsets. This significantly increases the risk of missing critical warnings, which can lead to safety incidents, environmental releases, or production losses. eemua publication 191