The São Lourenço Ambiental it also performs the decontamination service of Containment Barriers, which are equipment used to minimize the spread of certain floating products that do not mix with water, containing them or diverting them, in order to protect sensitive areas, alleviate the impacts of the incident and/or possible contamination. commonly, containment barriers are used in oil spill response operations. Employees are properly trained and qualified to perform the service.