PM2.5 aerosol sampling for collection of 24 h samples was carried out every day from Qinghai Lake (3200m a.s.l.),a remote continental site in the northeaste
D-limonene is one of the dominant terpenoids in indoor environment,which can be emitted from cleaning products and air fresheners.D-limonene is prone to oxi
PM2.5 and PM10 mass from quartz-fiber weight were obtained in Xian for two weeks of every month corresponding to January,April,July and October during 2010