ITI intervenes urgently to treat the pollution of hydrocarbon soils and waters, accidentally caused by the overturning of a tanker truck for example. By associating reactivity, method, perfect mastery of depollution techniques and exemplary crisis management, the teams take charge of the construction site from A to Z, from the security of the sites, to the pumping and treatment of soils and effluents up to the study of the risks before the rehabilitation of the damaged dwelling.