2018 No https://www.sciencedirect.com/science/article/abs/pii/S0160412018306433?via%3Dihub Oter-Pregigueiro, Daniel Europe Observational Exposure Study Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Atmospheric manganese Children School Dispersion modelling Calpuff Results show that when the emission scenario that best represented the observations dataset is used, the air Mn levels exceed the WHO guideline (i.e. 150 ng Mn/m3) in 24% and 11% of the studied schools in the cold and warm periods respectively. These exceedances depend on the distance from the FeMn alloy plant and the direction of the prevailing winds.