Pollution investigation of ventilated system in super market and hotel's air condition in Kunming city

  • Zhang, Liang (Kunming center for Disease Control and Prevention) ;
  • Wang, Xin (Kunming center for Disease Control and Prevention) ;
  • Liu, Xinhai (Kunming center for Disease Control and Prevention)
  • Published : 2004.12.20

Abstract

Objective to know about pollution of ventilated system in super market and hotel's air condition in Kunming. Methods to take out 28 ventilated system from super markets and hotels in Kunming in march 2004. To check dirt amount in pipelines and microorganism in dirt. Testing result is appraised under 'Public hygiene standard of ventilated system in air condition'. Results pollution problem exist in different degree in all the super markets and hotels that have been investigated. There is 32.14% which means 8 hotels and 1 super market, pollution is serious, The others (67.86%) is medium. Conclusion pollution problems exist in air condition system in all super markets and hotels of Kunming. Discussion aim at Kunming's special weather, and present condition of public ventilated system, discussing ways of management in hygiene of air condition system.

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