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Applications

Radon & Thoron
Soil gas measurement of the radon risk in building projects

Soil gas measurement of the radon risk in building projects

Soil gas measurements are used to assess the radon availability in the soil as the most frequent cause for increased concentrations in buildings to be erected. By using this analysis, suitable prevention measures can be made already before beginning of the construction.

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Geological explorations, volcanological and earthquake research

Geological explorations, volcanological and earthquake research

Due to its properties as an inert gas, radon is one of the most important geological tracers. In the range of tectonic faults or geological anomalies, the radon gas is measured in the soil or on its exit points. Changes in the concentration point at changes that take place deeper in the earth crust. Radon can also be used as a tracer to explore underground transportation mechanisms of water or gas.

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Ventilation control to keep the legal radon reference value

Ventilation control to keep the legal radon reference value

An efficient and inexpensive measure for reducing the radon concentration in existing buildings is to purposefully vent the rooms.

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Assessment of the radon situation in working and living spaces

Assessment of the radon situation in working and living spaces

Since December 12th, 2018, the amended Radiation Protection Ordinance is in power. In regions under reasonable suspicion as defined by the legislator, employers and landlords have to make sure that the annual average value of the radon concentration of 300 Bq/m3 will not be exceeded in working and living spaces respectively.

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Radon personal dosimetry

Radon personal dosimetry

The cause of the harmful effect of radon is the accumulation of radon daughters in the human respiratory tract. It is not the radon per se that determines the dose but the generated decay products in the air we breathe.

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Radon protection in mining, tunneling and water treatment plants

Radon protection in mining, tunneling and water treatment plants

Rooms that are not permanently ventilated might build up very high radon concentrations. Typical examples are the tunnel systems in old mining factories or high-level tanks in water works. They will be monitored in cyclic intervals for renovation and cleaning works.

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Research for radon entry and propagation paths in buildings

Research for radon entry and propagation paths in buildings

The knowledge of the cause and the propagation mechanisms of radon in buildings is most important to reduce increased radon concentration in existing buildings. Whilst in most cases, the radon will flow from the soil under the foundation into the building, uranium-bearing building material might also be the source.

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