Environmental dimension certification as a tool for on-going improvement and EMAS certification for promoting the transparency of information; the use of systems for reporting anomalies and incidents and plans to minimise discharge risks, by implementing predictive, preventive and corrective actions that guarantee the proper condition of the water; as well as in-house and external audits by insurance and certifying entities, whose observations or recommendations will lead to a preventive or corrective initiative within the environmental management system.