Design Criteria for Achieving Low Radon Concentration Indoors

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Abstract

Design criteria for achieving low radon concentration indoors are presented in this paper. The paper suggests three design criteria. These criteria have to be considered at the early stage of the building design phase to meet the latest recommendations from the World Health Organization in most countries. The three design criteria are; first, establishing a radon barrier facing the ground; second, lowering the air pressure in the lower zone of the slab on ground facing downwards; third, diluting the indoor air with outdoor air. Three criteria when used can prevent radon infiltration and lower the radon concentration in the indoor air. In addition, a cheap and reliable method for measuring the radon concentration in the air indoors is described. The provision on radon in the Danish Building Regulations complies with the latest recommendations from the World Health Organization. Radon can cause lung cancer and it is not known whether there is a lower limit for when it is not harmful to human beings. Therefore, it is important to reduce the radon concentration as much as possible indoors in buildings. Airtightness is an important factor when dealing with buildings. For the building envelope above the ground it is important to avoid infiltration e.g. in compliance with energy requirements and towards the ground it is important to avoid infiltration e.g. of radon, to meet the requirements to ensure and control the indoor environment. Infiltration of air from the ground underneath a building is the main providing source of radon indoors.
Original languageEnglish
Title of host publicationInternational Science Index Conference Proceedings : International Scholarly and Scientific Research & Innovation
Number of pages6
Volume3
Place of PublicationSingapore SG
PublisherWorld Academy of Science, Engineering and Technology
Publication date3 Mar 2016
Pages225-230
ChapterPart I
Commissioning bodyWorld Academy of Sciens, Engineering and Technology
Publication statusPublished - 3 Mar 2016
EventWorld Academy of Science, Engineering and Technology: International Conference on Building Materials and Civil Engineering - Havelock Road, Singapore, Singapore
Duration: 3 Mar 20164 Mar 2016
Conference number: 18
https://www.waset.org/conference/2016/03/singapore/ICBMCE/abstracts

Conference

ConferenceWorld Academy of Science, Engineering and Technology
Number18
LocationHavelock Road
CountrySingapore
CitySingapore
Period03/03/201604/03/2016
Internet address

Keywords

  • Radon
  • natural radiation
  • barrier
  • pressure lowering
  • ventilation

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  • Cite this

    Rasmussen, T. V. (2016). Design Criteria for Achieving Low Radon Concentration Indoors. In International Science Index Conference Proceedings: International Scholarly and Scientific Research & Innovation (Vol. 3, pp. 225-230). World Academy of Science, Engineering and Technology.