Map of radon prevention areas in Saxony according to § 121 Radiation Protection Act

The State Office for the Environment Agriculture and Geology (LfULG) has determined by general order radon prevention areas. These are areas under Section 121 of the Radiation Protection Act (StrlSchG), for which it is expected that the annual averaged radon-222 activity concentration in the air in a significant number of buildings with residences or workplaces exceeds the reference value according to § 124 or § 126 StrlSchG of 300 Bq/m³. The definition of radon prevention areas was carried out on 03. Published in the Saxon Official Journal on December 31, 2020. December 2020.环境、农业与地质州办公室（LfULG）通过通用指令划定氡防护区域。此类区域依据《辐射防护法》（StrlSchG）第121条界定，即预计在大量住宅或工作建筑内，空气中氡-222的年平均活度浓度将超过《辐射防护法》第124条或第126条规定的300贝可每立方米（Bq/m³）参考值。该氡防护区域的划定工作已于2020年12月3日完成，并于2020年12月31日刊登于《萨克森官方公报》。