Results from the IMPROVE LIFE project will be presented in the EAC 2016 conference , to be hold in Tours (FRANCE) SEPTEMBER 4-9, 2016 MaríaCruz MINGUILLÓN, Teresa MORENO, Cristina RECHE, Eladio DE MIGUEL, MartaCAPDEVILA, Xavier QUEROL Aerosol sources and influence of specia lactivities in subway environments 2. Teresa MORENO, Cristina RECHE,Maricruz MINGUILLÓN, Vania MARTINS, Marta CAPDEVILA, Sonia CENTELLES, Eladio DE MIGUEL, Xavier QUEROL Effects of maintenance works and ventilation settings on the PM concentrations in subway platforms.