The effect of new building regulations on indoor radon in radonprone municipalities

  • Haanes H
  • Kolstad T
  • Finne I
  • et al.
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Abstract

Radon is an important contributor to public radiation dose and it is important to monitor levels in homes and introduce measures to reduce radon concentration levels, both overall and where levels are especially high. In Norway, new building regulations were introduced in 2010, which required balanced ventilation and preventive measures to reduce indoor radon levels, including a radon barrier toward the ground and pressure reducing features beneath the building that prevent soil gas from entering (radon sump). Investigations of randomly selected homes all across Norway have shown that houses built under these new regulations have significantly lower radon levels. However, a few municipalities in Norway are especially radon-prone and have houses with particularly high levels. It is crucial to verify the effect of the new regulations in these municipalities, which we have done in this study. Here, we show that both preventive radon measures and balanced ventilation and the building regulations of 2010 have significant effects on reducing the radon levels in the houses of the public. Noticeably for management, houses with a well-ventilated crawl space, which have been exempt from the required preventive measures, still in some cases have levels above action and maximum recommended levels

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APA

Haanes, H., Kolstad, T., Finne, I. E., & Olsen, B. (2022). The effect of new building regulations on indoor radon in radonprone municipalities. Journal of the European Radon Association. https://doi.org/10.35815/radon.v3.7886

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