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The Society for Radiological Protection Member

Lucion Radiation Protection is a member of The Society for Radiological Protection.

Achilles FPAL

Lucion Radiation Protection Services is a registered supplier on the FPAL Achilles Oil and Gas Europe – Silver
Supplier Number: 00036388
Valid until: 11/07/2025

UK Radon Association

Lucion Group Limited is a UK Radon Association Member

Valid until 01/06/2025

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Radon FAQ

The frequency of radon testing depends on several factors, including the initial radon levels found, any changes made to the building, and the type of occupancy.

In general, it is recommended that radon testing be conducted every five years in low-risk buildings and more frequently in high-risk buildings or after significant renovations.

Regular testing helps ensure that radon levels remain within acceptable limits and allows for prompt action if levels increase over time.

If radon levels in a building are found to be high, several mitigation techniques can be employed to reduce the concentration of the gas.

These may include:

  • Installing a radon sump system to draw the gas from beneath the building and vent it safely outside
  • Sealing cracks and gaps in the foundation, walls, and floors to prevent radon from entering the building
  • Improving ventilation to help dilute and remove radon from indoor air
  • Installing a positive pressurisation system to create a barrier against radon entry

The most appropriate mitigation strategy will depend on the specific characteristics of the building and the level of radon present.

Radon testing typically involves placing specialised detectors in the building for a specified period, usually three months, to measure the average radon concentration. These detectors are then analysed in a laboratory to determine the radon levels. In some cases, continuous radon monitors may be used to provide real-time measurements and help identify fluctuations in radon levels over time.

In the UK, the Management of Health and Safety at Work Regulations 1999 require employers to assess the risks from radon in all below-ground workplaces and above-ground workplaces located in radon-affected areas.

If radon levels exceed 300 Becquerels per cubic metre (Bq/m³) as an annual average, the Ionising Radiations Regulations 2017 (IRR17) apply, and employers must take action to reduce exposure.

Radon can enter buildings through cracks and gaps in the foundation, walls, or floors that are in contact with the ground. It can also dissolve into groundwater and be released into the air when the water is used for showering, cooking, or other purposes.

Buildings with poor ventilation or those located in areas with high radon levels in the soil are at a greater risk of accumulating dangerous levels of radon.

Radon is a colourless, odourless, and tasteless radioactive gas that forms naturally from the decay of uranium in rocks and soil. When radon accumulates in enclosed spaces, such as buildings, it can reach dangerous levels. Exposure to high levels of radon over time increases the risk of lung cancer, making it the second leading cause of lung cancer after smoking.

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