Investigation of the Pollution Status of Heating-Ventilating-Air Conditioning(HVAC) Systems in Shenyang Public Place
- VernacularTitle:沈阳市公共场所集中空调通风系统污染调查
- Author:
Hong ZHANG
;
Xianwei TANG
;
Yongjian YANG
- Publication Type:Journal Article
- Keywords:
Air pollution, indoor;
Public facilities;
Heating-ventilating-air conditioning system
- From:
Journal of Environment and Health
1993;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the pollution status of heating-ventilating-air conditioning(HVAC) systems in Shenyang public place. Methods The dust samples were collected and examined from the HVAC system in twelve hotels and ten shopping malls in Shenyang in March-June, 2004. Results Among HVAC systems in Shenyang public buildings, 71.51% of them were moderately polluted and 27.37% were seriously polluted. The rate of serious pollution of hotels was higher than that of shopping malls, the volume of dust in the air pipes in hotels was lager, but the amount of bacteria and fungi was less than that of shopping malls. Conclusion The HVAC systems of Shenyang public buildings have been seriously polluted.
