Which document indicates impacts are expected and mitigation measures may be necessary?

• A. Environmental Assessment
• B. Environmental Impact Statement
• C. Finding of No Significant Impact
• D. Categorical exclusion

Answer: (B)

When significant environmental effects are anticipated, agencies prepare an Environmental Impact Statement, which explicitly documents the expected impacts and lays out mitigation measures to address them. An EIS provides a detailed analysis of potential effects, evaluates alternatives to reduce those impacts, and describes proposed mitigation to lessen or offset harm. It also involves public input and sets up monitoring to ensure mitigation is implemented. In contrast, an Environmental Assessment is a lighter review to decide if effects are significant; if not, a Finding of No Significant Impact follows, and a categorical exclusion covers actions with no significant effects and typically involves little to no mitigation planning. Therefore, the document that indicates impacts are expected and mitigation measures may be necessary is the Environmental Impact Statement.