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EMSD announces latest sampling results for legionella at fresh water cooling towers
     The Electrical and Mechanical Services Department (EMSD) today (November 7) announced that the department tested 84 water samples collected from cooling towers in 76 buildings in its routine inspections in October this year. Seven 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.

     The cooling towers in which the seven samples were collected in October are located at Wing Hing House,13-21A Reclamation Street, Yau Ma Tei; Yee Fai Mansion, 141-151 Tung Choi Street, Mong Kok; 154 Tung Choi Street, Mong Kok; Lee Fat Mansion, 96-98 Main Street, Ap Lei Chau, Aberdeen; Ming Yuen Centre, 400-404 King's Road, North Point; 86 Fuk Wing Street, Sham Shui Po; and St Teresa's Hospital, 325-327 Prince Edward Road West, Kowloon City. 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 seven cases has already been completed by the owners. Details of these seven 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 Water-cooled Air Conditioning Systems issued by the department to prevent the proliferation of legionella.
Ends/Monday, November 7, 2016
Issued at HKT 14:00
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