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Risk.5.7: Ecological risks during decommissioningRelevance:The indicator describes significant risks, which the decommissioning ofthe new facility may create for the ecological environment. These risksindicate potential negative impacts on the ecological environment,such as e.g. the impairment of habitats and possible other harmful effectson the ecological context by the decommissioning activities, e.g.through noise, emissions, hazardous waste, increased traffic, pollutionof water or soil, etc.Data analysis methods:• Risk analysis• Descriptive content analysisReferences:Risk assessment templateCompilation:• Identify and report major risks of the decommissioning activities forthe ecological environment.• Estimate and report the risk level of this type of events. Use the riskassessment matrix and definitions in the templates in order to obtainsuch estimates through expert interviews (assessment by theexperts) or own analysis of the collected information.Definitions and explanations:Likelihood for an event: Use the scale rare – unlikely – possible – likely –almost certain as defined in the risk assessment templates.Consequences of an event: Use the scale insignificant – minor – moderate– major – catastrophic as defined in the risk assessment templates.Data sources and collection methods:• Interviews with relevant experts such as project managers (e.g.project coordinator, head of civil engineering, environmentalmanager), experts from public administrations, representatives ofenvironmental interest groups• Document analysis of studies concerning ecological risks293