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Issues in Risk Assessment (1993) / Chapter Skim
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DEFINITION OF FRAMEWORK COMPONENTS FOR ECOLOGICAL RISK ASSESSMENT
Pages 255-258

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From page 255...
... Replacement of the term "dose" with a more general term is required, because "dose" has a distinctly medical connotation and cannot be effectively applied to nonchemical stresses, such as habitat change or harvesting. The "responses" addressed in ecological risk assessments include direct effects of exposure and the much broader indirect effects, such as secondary poisoning of raptors due to accumulation of pesticide residues in their prey and effects of harvesting on fish-community structure.
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From page 256...
... Risk characterization synthesizes the results of technical analyses and expresses them in a form suitable for valuation studies or other policy analyses that are carried out as part of risk management. In addition to the four basic components, Figure 3-2 depicts two aspects of risk assessment that the committee wants to emphasize.
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From page 257...
... Please use the print version of this publication as the authoritative version for attribution.ASSESSMENT REVISION OF 1983 FRAMEWORK TO INCORPORATE ECOLOGICAL RISK FIGURE 3-2 Extension of the 1983 NAS risk assessment paradigm to include ecological as well as human health risks.
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From page 258...
... Please use the print version of this publication as the authoritative version for attribution. ASSESSMENT REVISION OF 1983 FRAMEWORK TO INCORPORATE ECOLOGICAL RISK assessors whenever the same or a similar problem is encountered in the future.
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Key Terms

  • risk assessments
  • incorporate ecological
  • assessment revision
  • nonchemical stresses
  • health risk

  • hazard identification
  • occur roughly
  • national environmental
  • attendant uncertainty
  • inadequately performed

  • science base
  • hazardous agent
  • control act
  • print version
  • risk characterization

  • premanufacture notification
  • assessments include
  • risk communication
  • including physical
  • inference guidelines

  • characterization synthesizes
  • broader indirect
  • regulatory criteria
  • particular hazardous
  • health risks

  • future risk
  • remain essentially
  • data requirements
  • notification assessments
  • policy act


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