“…Pets, in particular dogs, play an important role in the physical, emotional, and social development of humans (Campos Filho and Barros, 2008). Recently, the increase of dogs' population has favoured the soil contamination of public areas such as streets, squares, children parks, gardens, beaches and sand boxes in schools (Cassenote et al, 2011;Moura et al, 2013, Traversa et al, 2014, Studzinska et al, 2017.…”