The highest measured value for radon is 640 Bq/m3
Fjordabladet recently wrote about high radon levels in the Hjelle skule. Avisa now had access to data from different rooms, and the level turned out to be especially high in the basement and in the manager’s office.
The measurement limit is 100 Bq/m3: Radiation protection regulations state that radon reduction measures must be implemented in kindergartens and schools if the radon level exceeds 100 Bq/m3 (measurement limit). Furthermore, the Norwegian Radiation Protection Authority recommends that the radon level always be below the maximum limit of 200 Bq/m3. Long-term measurements at Hjelle School show annual mean values above the intervention limit in many classrooms. Photo: Anna Wootdale
Measurements were made in the classroom, the principal’s office, and the basement
High radon level was measured at Hjelle skule
Long-term measurements of radon levels in the Hjelle skule show high numerical values. – As expected, says the director of real estate for the municipality of Toure Nehamer Taklo.
In the Hjelle skule, only two long-term measurements show an average annual value of less than 100 Becquerels per cubic meter of air (Bq/m3). This applies to Room No. 5 where the average annual value level is measured at 54 Bq/m3 and Room No. 2 where the mean annual value is measured at 75 Bq/m3.
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