## 2 Compatibility between Indoor Radon Exposure and Buildings' Energy Efficiency Improvement
### Legal Framework
\begin{table}
\begin{tabular}{c c c} \hline
**Country** & **Publication Date** & **National Transposition Root Measures** \\ \hline Austria & 29/07/2020 & _Bundesgesetzblatt II Nr. 339/2020—_General Radiation Protection Ordinance 2020_ \\ \hline Belgium & 17/05/2018 & _Law 2018/202303—_A Amendment of the Federal Agency for Nuclear Control (FANC)_ \\  & 19/08/2020 & _Arrete Royal du 20/07/2020 (202015187)—_A Amendment of _Arrete Royal du 20/07/2001_ \\ \hline Bulgaria & 04/05/2018 & _Lidrakien_ wechijk gordon37—_Radiation protection of radionuclides sources activities_ \\  & 19/04/2019 & _Haroga_ _W P.I.02-20-1 or3.04.2019—_Requirements for radon protection buildings_ \\ \hline Croatia & 09/03/2018 & _NN 24/2018 (458)—_Radiation protection against ionizing radiation_ \\  & 27/12/2018 & _NN 118/2018 (2380)—_Radon action plan 2019–2024 \\ \hline Cyprus & 21/12/2018 & _L.164(1)/2018—_Radiological safety and security law of 2018_ \\ \hline Czechia & 10/08/2016 & _Zakon \& 263/2016 Sb._—_The atomic act \\  & 23/12/2016 & _Vyhlaska c. 422/2016 Sb._—_Radiation protection and security of radionuclide sources_ \\ \hline Denmark & 16/01/2018 & _Lovtidende A Nr. 23 Strdlelebsyttelselsoven_—Ionizing radiation and radiation protection_ \\ \hline Estonia & 26/06/2018 & _RT J, 26.06.2018_, 6—_A Amendment of the radiation act_ \\  & 30/08/2018 & _RT J, 03.08.2018_, 4—_Reference level for radon in workplaces and measuring procedure_ \\ \hline Finland & 13/11/2018 & _Sadadk 1859/2018—_Radiation act_ \\  & 29/11/2018 & _Sadk 1034/2018—_Government degree on ionizing radiation_ \\  & 05/12/2018 & _Sadk 1044/2018—_Ministry of social affairs and health degree on ionizing radiation_ \\ \hline France & 05/06/2018 & _Decret n\({}^{\circ}\) 2018-434/Decret n\({}^{\circ}\) 2018-437/Decret n\({}^{\circ}\) 2018-438_ \\  & 31/12/2020 & National action plan 2020–2024 for radon risk management (4 th radon plan) \\ \hline Germany & 27/06/2017 & Radiation Protection Act (StrISchG) \\  & 29/11/2018 & Radiation Protection Ordinance (StrISchV) \\  & 24/04/2019 & Radiation Protection Act (StrISchG)—_Publication of the radon action plan_ \\ \hline Greece & 20/11/2018 & _Tevyc-A 194, Apul. 101_—_Basic security standards against ionizing radiation_ \\  & 18/05/2020 & _Tevyc-B 1881, Apul. 43374—_National action plan for long-term radon exposure risks_ \\ \hline Hungary & 09/07/2018 & _21/2018. (VII. 9.) EMUMI realet_—_Protection to ionizing radiation_ \\  & 13/03/2019 & _1114/2019. (III. 13.) Korn. Inhitozatal_—_Adoption of the national radon action plan_ \\ \hline Ireland & 15/01/2019 & _Statutory Instruments (S.I.) No. 256_—_Ionizing radiation regulations 2018_ \\ \hline Italy & 12/08/2020 & _Decreto Legislativ 31 luglio 2020, n. 101_—_Protection against ionizing radiation_ \\ \hline Latvia & 30/12/2015 & _Ministru kabineta noteikum Nr. 752, 22.12.2015—_—Ionizing radiation_ \\ \hline Lithuania & 03/07/2018 & _Istatymas Nr. XIII-1283_—_Amending law No. VIII-1019 on radiation safety_ \\  & 30/11/2018 & _Lithuanian hygiene standard HN 73:2018—_Basic radiation protection standards_ \\ \hline Luxembourg & 07/06/2019 & _Journal Offiedt du Gran-Duche de Luxembourg Memorial A389—_—Radiation protection act_ \\  & 05/08/2020 & _Journal Offiedt du Gran-Duche de Luxembourg Memorial A528—_Radiation protection_ \\ \hline Malta & 25/05/2018 & _Gazettu Nru. 19.996_—_Nuclear safety and radiation protection act_ \\  & 05/05/2020 & _Gazettu Nru. 20400 LN. 184_—_Basic safety standards for ionizing radiation (amendment)_ \\ \hline Netherlands & 07/11/2017 & _Decret royanux 404_—Basic safety standards for radiation protection_ \\ \hline Poland & 11/09/2019 & _Dziennik Ustatu 2019 poz. 1792_—_Consolidated text of the atomic law act_ \\  & 12/02/2021 & _Monitor Polski 2021 poz. 169_—_Radon action plan for indoor long-term risks_ \\ \hline Portugal & 03/12/2018 & _Decrete-Lei n\({}^{\circ}\) 108/2018—_Legal framework for radiological protection_ \\ \hline Romania & 25/06/2018 & _Ordinul nr. 752/3978/136/2018—_Rules on basic radiological safety requirements_ \\  & 26/06/2018 & _Ordinul nr. 61/13/2018—_Management of nuclear or radiological risk_ \\  & 25/07/2018 & _Hotárare de Guvern ur. 526/2018—_Radon national action plan_ \\ \hline Slovakia & 27/04/2017 & _Zakon c. 96/2017_—_A Amendment to act No. 541/2004 on the atomic act_ \\ \hline Slovenia & 26/04/2019 & _Uradni list st. RS 26/2019_—_A Amendment of ionizing radiation protection act RS 76/2017_ \\  & 20/03/2018 & _Uradni list st. RS 18/2018_—_Regulation on the national radon program_ \\ \hline Spain & 31/10/2019 & _Real Decreto 601/2019 (B.O.E. num. 262/2019)_—_Radiation protection of individuals_ \\  & 24/06/2020 & _Real Decreto 586/2020 (B.O.E. num. 175/2020)_—_Nuclear or radiological emergency_ \\ \hline Sweden & 03/05/2018 & _Svensk forfitfitningssamling (SFS) 2018:506_—_Radation protection regulation_ \\  & 31/05/2018 & _Strdlsäxhertsmundigheten forfitningssamling (SSMFS) 2018:10_—_Radon in workplaces_ \\ \hline UK 1 & 01/01/2018 & _Stutory Instruments (S.I.) No. 1075_—_The ionizing radiations regulations 2017 (IRR17)_ \\  & 17/04/2018 & _S.I. No. 242_—_The ionizing radiation (BSS) (misc. provisions) Regulations 2018_ \\  & 01/09/2018 & _S.I. No. 428_—_Environmental permitting (amendment) (No. 2) Regulations 2018_ \\  & 27/03/2019 & _S.I. No. 703_—_Radiation Regulations 2019 (REPPIR)_ \\ \hline \end{tabular}
\end{table}