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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 (October 9) announced that the department tested 88 water samples collected from cooling towers in 63 buildings in its routine inspections in September this year. Four 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 four samples were collected in September are located at Lee Wai Commercial Building, No. 1-3, Hart Avenue, Tsim Sha Tsui; 6 Tung Yuen Street, Yau Tong; Hung Cheong Factory Building, 742-748 Cheung Sha Wan Road, Cheung Sha Wan, and Hongway Garden, 7 On Tai Street, Sheung Wan. 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 four cases has already been completed by the owners. Details of these four 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, October 9, 2020
Issued at HKT 11:30
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