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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 (May 8) announced that the department tested 19 water samples collected from cooling towers in 15 buildings in its routine inspections in April this year. None of them was 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 EMSD also announced the locations of buildings which were served with nuisance notices during the preceding three-month period as the total legionella count was found in the fresh water cooling towers to be equal to or above the upper threshold. Details 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/Wednesday, May 8, 2019
Issued at HKT 11:43
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