Ecological Risk Analysis: Tools (Methods and Data)
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Tools (Methods and Data)

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A Guide to the ORNL Ecotoxicological Screening Benchmarks:
Background, Development, and Application

Sample, Bradley E., Glenn W. Suter II, Rebecca A. Efroymson, and Daniel S. Jones.
May 1998. Revision 1.0. Oak Ridge National Laboratory, Oak Ridge, TN.

Screening Benchmark Reports

  • Aquatic Biota
  • Wildlife
  • Terrestrial Plants
  • Sediments
  • Soil Invertebrates and Microbial Processes

Guidance Documents

  • Ecological Risk Assessment Framework for Low-Altitude Overflights
  • Ecotoxicological Profiles for Inorganic Chemicals
  • Empirical Models for the Uptake of Inorganic Chemicals from Soil by Plants
  • Biota Sediment Accumulation Factors for Invertebrates
  • Ionizing Radiation on Terrestrial Plants & Animals
  • Bioaccumulation Models for Small Mammals
  • Bioaccumulation Models for Earthworms
  • Ecological Risks of Petroleum-Derived Materials in Soil
  • Wildlife Exposure Models
  • Guide For Screening Level Ecological Assessments
  • Approach For Performing Ecological Risk Assessments
  • PRGs for Ecological Endpoints
  • Radiological Exposure
  • Conceptual Models for Ecological Risk Assessments
  • Data Quality Objectives for Ecological Risk Assessments
  • Risk Characterization for Ecological Risk Assessment of Contaminated Sites

Examples of Completed Ecological Risk Assessments

  • White Oak Watershed: Melton Valley Area
  • White Oak Creek Watershed Screening
  • Oak Ridge Reservation

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Comments or requests for more information should be sent to Rebecca Efroymson (
Last Updated: February 26, 2003

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