The Environmental Impact Assessment complies with, on environmental prevention, the requirements of the sheet of technical specifications of the informative study, and in which it is identified, described and assessed the foreseeable effects of the project from the environmental point of view. It includes the protective and corrective measures in order to reduce the impacts and establishes the environmental monitoring program that articulates the inspection of its compliance. In any case, the maximum utility of the impact study is to analyse from a preventive point of view of the layouts raised. Under this, it will depend the magnitude of the major part of the impacts and corrective measures that have to project in subsequent phases of planning.