2024 No Determination of optimal ventilation rates in educational environment in terms of radon dosimetry https://www.sciencedirect.com/science/article/abs/pii/S1438463921000572 Dovjak, Mateja Europe Observational Epidemiological Elementary (K-5) Radon Effective dose Radon Ventilation rate School Renovation Simulations in a Slovenian school showed that low ventilation rates significantly increased radon levels and effective radiation dose. Higher ventilation per EN 15251:2007 reduced radon to safe levels, highlighting ventilation’s key role in radon control. 2021