Some 200 residents from Kampung Sri Cheeding, Taman Sentosa and Taman Sri Cheeding have also signed a petition demanding the factory is removed from the area.
However, she added, it was discovered by chance that the factory was carrying out its smelting activities at night and that was why the smoke emissions were not detected during the day. "The factory melts scrap aluminium at high temperatures and this releases toxic fumes into the environment," Pua said.
"The DOE told us that we have to make some changes to the factory and we have been given until June 13 to do the necessary," he said.
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