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Gate: Gate 111
Description
Insufficient disinfection due to loss of WTP control
Events
Gate 119 - Insufficient disinfection process controlled by intruder
Gate 127 - Inability of WTP to perform disinfection process
Basic Event 70 - Natural phenomena alter reagent dosing system
Basic Event 159 - Incorrect execution or failure of software acquired from an external party crashes WTP control system
Basic Event 160 - Failure to regulate the temperature, humidity and air quality in environments where information systems are located
Name
Gate 111
fault tree
STOP-IT Water Quality FT
asset type
Control System
event type
Manipulation
operator
or