This document provides guidance to site managers and Remedial Project Managers who are legally responsible for the management of a site on how to design and conduct technically defensible ecological risk assessments for the Superfund program.

This document supersedes EPA's 1989 Risk Assessment Guidance for Superfund, Volume 2, Environmental Evaluation Manual as guidance on how to design and conduct an ecological risk assessment under Superfund.

• Ecological Risk Assessment Guidance for Superfund: Process for Designing and Conducting Ecological Risk Assessments - Interim Final (PDF) (239 pp, 17.25 MB, About PDF)
  EPA 540-R-97-006, OSWER 9285.7-25, PB97-963211, June 1997