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EPA EcoBox

EPA EcoBox Phases of ERA

An ERA includes three primary phases: problem formulation, analysis, and risk characterization. This tool set provides modules that briefly describe these three phases of ecological risk assessment. It also provides a list of tools for conducting and evaluating ecological risk.

Planning and Problem FormulationPlanning and Problem Formulation

Review the steps to planning and problem formulation

Risk CharacterizationAnalysis

Review the steps to analysis


ToolsRisk Characterization

Review the steps to risk characterization