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《Chinese Journal of Public Health Engineering》 2017-01
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Hygienic evaluation of the completed central air-conditioning ventilation systems in a shopping mall

ZHOU Zhuo-wei;CHEN Shu-ming;XIAN Ying-hua;ZHAN En-Ze;HU JUN-yu;LIN Qiu-xia;CHEN Ting-ting;XU Bing-lin;Guangzhou Industry Microbe Test Center,Guangzhou Institute of Microbiology;  
Objective To analyze and evaluate the central air-conditioning ventilation system of a new complete shopping mall,to prevent the possible health risk factors. Methods The methods of checking design drawing,field investigation,field sampling examination,risk assessment,look-up table method,etc were adopted which based on Hygienic Evaluation Specification of Central Air Conditioning Ventilation System in Public Buildings( WS/T 395-2012) and other relevant standards. Results According to the experimental results,there were one sampling point of total bacterial count and three sampling points of total fungi count in central air-conditioning ventilation air did not comply with the hygienic standards,while the others met the requirements. As a whole,the layout of central air-conditioning system was reasonable. But it still existed that something unreasonable. For example,fresh air inlet was set up in the air-conditioner engine room,some air processors were damaged,the wind pipes were designed without cleaning and checking entrance,individual engine room was not clean enough,etc. Conclusion The central air-conditioning ventilation system in the shopping mall exists a certain degree of pollution and public potential hazards. It should be strengthen the management to confirm the possible harmful factors are effectively controlled before the central air-conditioning ventilation system are fully operational.
【Fund】: 广东省公益研究与能力建设专项(2014A040401004)
【CateGory Index】: R126.4
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