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EMSD announces latest sampling results for legionella at fresh water cooling towers
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     The Electrical and Mechanical Services Department (EMSD) today (December 6) announced that the department tested 88 water samples collected from cooling towers in 53 buildings in its routine inspections in November this year. Two samples were detected to have a total legionella count at or above the upper threshold, which is 1 000 colony-forming units per millilitre. The latest statistics are set out in Annex 1.
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     The cooling towers in which the two samples were collected in November, are located at Lek Yuen Plaza, Lek Yuen Estate, 6 Lek Yuen Street, Sha Tin and Aberdeen Wholesale Fish Market, 102 Shek Pai Wan Road, Aberdeen respectively. The EMSD has issued nuisance notices under the Public Health and Municipal Services Ordinance to the owners of the cooling towers requiring appropriate disinfection work to be done. Disinfection of the cooling towers in these two cases has already been completed by the owners. Details of these two cases can be found in Annex 2. The EMSD publishes the latest statistics of the above information on a half-monthly basis on its website (www.emsd.gov.hk/en/other_regulatory_services/cooling_towers/water_sampling/index.html).

     The EMSD reminds the owners of fresh water cooling towers that they have the responsibility to design, operate and maintain cooling towers properly. They should arrange regular inspections, timely maintenance and periodic testing of the water quality in their cooling towers in accordance with the Code of Practice for Fresh Water Cooling Towers issued by the department to prevent the proliferation of legionella.
 
Ends/Friday, December 6, 2019
Issued at HKT 11:00
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