Water samples from a Kwun Tong nursery have 10 times the World Health Organization limit for lead content.
Hong Kong Christian Service Kwun Tong Nursery (HKCSKTN) said the samples were taken from an electric water heater installed last month, according to Ming Pao Daily.
The findings were the worst for any kindergarten tested for lead contamination.
Yee Hing Electric Heating Co. Ltd., the supplier of the “Aeroplane” water boiler, refused to comment but said it is investigating.
This brand of water heater is usually used in restaurants.
But Wu Chu, managing director of Hsin Kuang Restaurant (Holdings) Ltd., said restaurants are unlikely to stop using electric water boilers because there is no better alternative.
Simon Wong Ka-wo, chairman of the Hong Kong Federation of Restaurants and Related Trades, said the HKCSKTN contamination is an isolated incident.
Yeung Wai-sing from the Association for Hong Kong Catering Services said restaurant water boilers operate non-stop, unlike those in schools which are used much less frequently.
The risk to customers is not high, he said.
Secretary for Education Eddie Ng ruled out blood tests, saying the HKCSKTN system is used to sanitize utensils, not to boil drinking water
Secretary for Food and Health Ko Wing-man agreed but a parent, surnamed Lee, said the school should arrange free blood tests to ease concerns.
Meanwhile, the government said laboratory results on 833 people, including seven children, came back with slightly higher lead levels than normal.
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