There are many indoor pollutants in the residential buildings. Of those radon is a major and harmful indoor pollutant in most countries. Radon sometimes entries to the house through building materials. High insulation and tightness in order to increase energy efficiency and to lower energy costs is led to the indoor air quality problems. Ventilation is a good method to dilute radon contaminant ...

Indoor air quality (IAQ) in a building is a very important element to ensure the health and comfort level of the building occupants. This is because work productivity may be interrupted due to the polluted environmental condition and bad indoor air quality. Both factors may lead to bad health and physical condition and consequently to bad work performance. The study presents the understanding a...

Changes in the natural environment affect our quality of life. Thus, government, industry, and the public call for integrated environmental management systems capable of supplying all parties with validated, accurate and timely information. The ‘near real-time’ constraint reveals two critical problems in delivering such tasks: the low quality or absence of data, and the changing conditions over...