API 4700 : 2001

INTRODUCTION
WHAT IS ECOLOGICAL RISK ASSESSMENT?
WHAT ARE RELEVANT ECOLOGICAL RECEPTORS AND HABITATS?
HOW DO I EVALUATE ECOLOGICAL RISK?
HOW DO I BEGIN THE ECOLOGICAL RISK ASSESSMENT PROCESS?
HOW DO I CONDUCT A PRELIMINARY EVALUATION?
  Step 1 of the Preliminary Evaluation: Are Relevant
  Ecological Receptors and Habitats at or Near the Site?
  Step 2 of the Preliminary Evaluation: Are Complete
  Exposure Pathways Present at the Site?
  How Do I Evaluate the Need for an Initial Response
  Action?
  How Do I Develop a Site Conceptual Model?
  How Do I Report the Results of a Preliminary Evaluation?
  Preliminary Evaluation Decisions and Summary
WHEN DO I PROCEED WITH FURTHER TIERED INVESTIGATIONS?
CONCLUSIONS
REFERENCES
RECOMMENDED READING/SOURCES OF INFORMATION
GLOSSARY
APPENDIX
  Checklist for Onsite Assessment at Petroleum Release
  Sites/Facilities: Site Summary Report Form

Provides assistance to site or facility managers acting as site investigators to decide how and to what degree they should address ecological risks that may result from a petroleum products release.