Indoor air pollution due to chipboard used as a construction material

Chipboard is a common building construction material which continuously emanates formaldehyde. Reports measurements of concentrations of formaldehyde in 24 rooms in 23 Danish dwellings where chipboard was used for walls, floors and ceilings. Gives results in table 1 of concentrations underdifferent combinations of temperature, humidity and ventilation rate. Finds average concentration of 0.62 mg/m3 and in some rooms concentration exceeded the German threshold limit for occupational exposure. Develops mathematical model for the room air concentration of formaldehyde. Suggests need for air quality standards and control programmes for indoor air in homes.