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Watershed Planning within a Quantitative Scenario Analysis Framework
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Beyond risk assessment: principles for assessing community impacts.

Amy J Dunn1, George V Alexeeff

  • 1Reproductive and Cancer Hazard Assessment Branch, Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA 94612, USA. adunn@oehha.ca.gov

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|December 5, 2009
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Current risk assessment methods inadequately address community chemical exposures. This study proposes 4 principles for improved community environmental health hazard assessments, focusing on cumulative impacts and diverse exposure factors.

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Area of Science:

  • Environmental Health Sciences
  • Toxicology
  • Risk Assessment

Background:

  • Traditional risk assessment excels at single chemical exposures but struggles with complex community exposures via multiple routes.
  • Existing methods fail to adequately assess disparate environmental pollution impacts on specific populations.
  • There is a recognized need for improved approaches to evaluate community-level environmental health risks.

Purpose of the Study:

  • To evaluate activities aimed at improving community risk assessment practices.
  • To identify overarching principles for guiding community environmental health hazard assessments.
  • To explore the application of these principles to enhance current assessment methodologies.

Main Methods:

  • Review of activities within the Office of Environmental Health Hazard Assessment (OEHHA) in California.
  • Analysis of initiatives moving beyond standard risk assessment practices.
  • Identification and articulation of 4 guiding principles for community assessments.

Main Results:

  • Four overarching principles were identified to guide community environmental health assessments.
  • These principles offer a framework for moving beyond single-route, single-chemical risk evaluations.
  • The application of these principles can lead to more comprehensive and equitable risk assessments.

Conclusions:

  • Enhanced community risk assessment requires addressing exposure variations from cultural and lifestyle factors.
  • Methods must be developed to account for increased susceptibility in vulnerable populations.
  • Tools for cumulative impact assessment and improved community communication are crucial for effective environmental health protection.