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Related Experiment Videos

Holistic risk assessment: an emerging process for environmental decisions

T Harvey1, K R Mahaffey, S Velazquez

  • 1National Center for Environmental Assessment-CIN, U.S. Environmental Protection Agency, Cincinnati, Ohio 45268, USA.

Regulatory Toxicology and Pharmacology : RTP
|October 1, 1995
PubMed
Summary

A new holistic risk assessment (HRA) strategy integrates human health and ecological risk assessments. This iterative approach improves risk characterization and communication for better decision-making.

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Area of Science:

  • Environmental Science
  • Toxicology
  • Risk Management

Background:

  • Traditional risk assessment, as defined by the National Academy of Sciences, has limitations.
  • Existing methods often assess human health and ecological risks separately.
  • There is a need for a more inclusive and integrated risk assessment paradigm.

Purpose of the Study:

  • To propose a holistic risk assessment (HRA) strategy as an alternative to traditional methods.
  • To outline the key components and advantages of the proposed HRA strategy.
  • To illustrate the HRA strategy with a case study on methyl mercury.

Main Methods:

  • The HRA strategy involves parallel and integrated assessments of ecological and human health risks.
  • It recognizes competing risks from risk management decisions.

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  • The process is iterative, emphasizing risk characterization, comparisons, and tailored risk choices.
  • Communication between assessors, managers, clients, and the public is integrated throughout.

    • Main Results:

    • The HRA strategy provides a more inclusive and comprehensive approach to risk assessment.
    • It addresses the limitations of traditional, sequential assessment methods.
    • The case study on methyl mercury demonstrates the practical application of the HRA strategy.

    Conclusions:

    • The proposed HRA strategy offers a robust framework for evaluating complex environmental and health risks.
    • It enhances decision-making by considering competing risks and stakeholder communication.
    • Further research is recommended to refine and expand the HRA approach.