Assessment of Exposure to PM2.5,CO and O_3 for Elders in a Community in Winter in Beijing Using Microenvironment Measurements and Time-Activity Data
- VernacularTitle:某社区老年人冬季PM2.5和CO及O_3暴露水平评价
- Author:
Shao-Wei WU
;
Fu-Rong DENG
;
Xin-Biao GUO
;
Al ET
;
- Publication Type:Journal Article
- Keywords:
Air pollution;
Fine particulate matter;
Carbon monoxide;
Ozone;
Elder;
Personal exposure
- From:
Journal of Environment and Health
2007;0(09):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To estimate the exposure level of PM2.5,CO and O_3 in the elders in a community in Beijing.Methods The concentrations of PM2.5,CO and O_3 in 10 main activity sites of the elders were measured and 24 h time-activity data of 30 elders was collected by recording of activity log paper,Nov.28,2007—Jan.17,2008.Results The 24 h average exposure concentrations of PM2.5,CO and O_3 for the elders were(146.54?6.60)?g/m~3,(2.67?0.18)mg/m~3 and(32.30?2.79)?g/m~3, respectively,there was no significant difference in the exposure level of PM2.5 and O_3 between male and female elders except CO (P
