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Martin Jiránek E-mail: jiranek@fsv.cvut.cz CZECH TECHNICAL UNIVERSITY Faculty of Civil Engineering, Praha...
terrain
Details of remedial measures
Indoor radon concentration after remediation
During active ventilation indoor radon concentration
decreased to the mean value 152 Bq/m3.
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6.11.10
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French experience in management and research on the protection of building with...
Building characterisation related to radon entry and
exposure
Numerical assessment of averaged radon concentration:
? Annual calculation using ventilation
model and Rn emission law characterised
experimentally
? To rebuild
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Sächsisches Staatsministerium für Umwelt und Landwirtschaft - SMUL ZAFT - Zentrum für...
value of the radon
concentration in the ground. The results show that the ground radon concentration is defeated even
under standardised investigation conditions big seasonal and annual fluctuations. As essential causes
the
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Zentrum für angewandte Forschung und Technik e.V. an der HTW Dresden 2....
in soil gas,
were investigated for indoor radon concentration and its temporal variation. Virtually independent on
the soil gas radon concentration and the architecture of the passive houses, the concentration of radon was
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CLOR – RSC meeting
Katowice
Conclusions
? No regulations concerning radon indoors concentration measurements
?Results of radon concentration in Poland only for some areas
?Mean radon concentr.: 85.5 Bq/m3 (Geometr. Mean:
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1
ventilation system in a considerable part of the houses an improvement of the
indoor situation could be reached. Related to all investigated houses the radon concentration could in
the mean be reduced by 62 %. From that it
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SMUL - Sächsisches Staatsministerium für Umwelt und Landwirtschaft ZAFT - Zentrum für...
change council of the compartment air for the radon concentration in
buildings. Besides, a secure and at the same time the cost-efficient solution for the reduction of the
radon concentration is the optimisation the air exchange
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Sächsisches Staatsministerium für Umwelt und Landwirtschaft - SMUL ZAFT - Zentrum für...
The time series analysis of radon concentration
measurements improves the understanding of the complex behaviour, upgrades the cause analysis of
high radon concentrations in dwellings and makes a contribution to the communication
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SMUL - Sächsisches Staatsministerium für Umwelt und Landwirtschaft ZAFT - Zentrum für...
measurement campaigns. Measurements of the radon concentration in soil gas follow from the finding
that this natural influence quantity is determining the indoor radon concentration besides the factors of
construction type
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Prevention and remediation state of the art Finnish experience on countermeasures
houses in six provinces with highest radon
concentration (Area 1)
- in 38 % of houses elsewhere in the country (Area 2)
- in 54 % of houses, whole country
Radon
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erste
of the