Debated in Parliament on 3 Oct 2017.
Mr Leon Perera asked the Minister for Transport (a) how many incidences of freon gas leaks on the MRT and LRT rail systems have occurred over the past 10 years; and (b) what is the risk posed to commuters by such gas leaks.
Over the past 10 years, there have been 23 instances of Freon gas leaks on trains. Freon gas can interact with moisture in the air to form an odourless white smoke. The smoke poses no health risk to the public. As soon as a leak is reported, affected commuters are detrained at the next station, and the train withdrawn for repair.
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