SINGAPORE: A second worker died on Tuesday night (May 28) after inhaling toxic gas at the PUB’s Choa Chu Kang Waterworks last week.
The 24-year-old Malaysian, who worked for PUB’s contractor Stargroup Est, was admitted to intensive care following the incident on May 23. He died from his injuries on Tuesday, according to PUB on Wednesday. He and two other employees collapsed after inhaling hydrogen sulphide gas while draining sludge from one of the plant’s pulsator tanks as part of tank cleaning duties.
Hydrogen sulphide is a gas formed from sludge, a byproduct of the water treatment process. It is colorless and has a strong, unpleasant odor. It is extremely toxic and flammable. The remaining 39-year-old worker was moved out of the ICU on Tuesday. His condition is currently stable.
PUB expressed its deepest condolences to the family and loved ones of the deceased worker. Together with our contractor, we are doing everything possible to support his family during this challenging period,” it said. It added that it is cooperating fully with the Ministry of Manpower on its investigation and is conducting its own safety investigation.
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