Figures legends:
Figure 1 : Chlorination by-products presented at the water and the air of chlorinated swimming-pools - adapted from Bernard A (20).
Figure 2 : The routes of exposure to disinfection by-products in swimming-pools and the factors affecting each route - adapted from Dyck et al (2).
Figure 3: Schematic representation of the relation between water ingestion and surface area/body mass and respiratory rates throughout different ages (based on data from WHO Training package for the Health sector – Children’s health and the environment).