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A Native American exposure scenario

S G Harris1, B L Harper

  • 1Confederated Tribes of the Umatilla Indian Reservation (CTUIR), Department of Natural Resources, Pendleton, Oregon 97801, USA.

Risk Analysis : an Official Publication of the Society for Risk Analysis
|February 17, 1998
PubMed
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Existing environmental risk assessment methods do not fit tribal lifestyles. This study developed a new lifestyle-based exposure scenario for a Columbia River Basin tribe, improving environmental justice evaluations.

Area of Science:

  • Environmental Science
  • Risk Assessment
  • Tribal Health

Background:

  • EPA's Risk Assessment Guidance for Superfund (RAGS) offers methods for suburban and agricultural lifestyles.
  • These methods are inadequate for tribal communities with traditional lifestyles tied to regional resources.

Purpose of the Study:

  • To develop a lifestyle-based subsistence exposure scenario for a Columbia River Basin tribe.
  • To address environmental justice concerns for tribal populations with subsistence diets.
  • To identify parameters for evaluating impacts on environmental and sociocultural quality of life.

Main Methods:

  • Interviewed 35 members of a Columbia River Basin tribe.
  • Developed a midrange exposure scenario based on traditional tribal lifestyles.

Related Experiment Videos

  • Identified parameters for assessing environmental and sociocultural impacts.

    • Main Results:

    • A novel lifestyle-based subsistence exposure scenario was created.
    • The scenario represents a midrange exposure for traditional tribal members.
    • Key parameters for evaluating broader quality of life impacts were identified.

    Conclusions:

    • Existing risk assessment guidance needs adaptation for indigenous communities.
    • The developed scenario supports environmental justice by evaluating impacts on traditional lifestyles.
    • This approach enhances the assessment of environmental and sociocultural well-being for tribal populations.