and with the continued expansion of these sectors, which comprised 3.5% (¥650 billion RMB or $70 billion USD) of the annual GDP (gross domestic product) in 2005 (Song, 2006), indoor residential exposure to formaldehyde is also expected to increase.
and with the continued expansion of these sectors,which comprised 3.5% (¥650 billion RMB or $70 billion USD) of theannual GDP (gross domestic product) in 2005 (Song, 2006), indoorresidential exposure to formaldehyde is also expected to increase.