... of controls elsewhere. Indoor air standards have been developed for ventilation in public buildings commensurate with U.S. standards. A recommended goal for formaldehyde exposure levels has been set at 0.1 ppm and a remedial action level for radon at 200 Bq/m^3. Nitrogen dioxide, particulates and volatile...

... monoxide and heating and cooking fumes in poorly ventilated or wholly unventilated dwellings comes to the top of the problem list. Further research on sick building syndrome, radon, formaldehyde, fibrous dusts and environmental tobacco smoke merits little priority in relation to the most serious indoor air...

... to in the content or advertisements. Combustion Biomass fuel Smoke Radon Environmental tobacco smoke Biologicals Original Paper Indoor Environ 1995;4:140-150 G.B. Leslie Centre for Environmental Control and Waste Management, Imperial College of Science, Technology and Medicine, London, UK Indoor Air...

...H.J. Dunster The radioactive gas radon-222 is the immediate daughter of radium-226,which is present in soils, rocks and building materials. The gas decays into radioactive daughters, which irradiate cells in the respiratory tract. It is the radiation dose to these cells that causes the risk...