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Estimating Mortality Risk Reduction and Economic Benefits from Controlling Ozone Air Pollution (2008) / Chapter Skim
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1 Introduction
Pages 17-22

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From page 17...
... have included the results of epidemiologic studies that link ambient ozone concentrations with premature deaths in sensitivity analyses, but EPA has not included these mortality results in their primary estimates of the benefits 1 In this report ozone is used to refer to the broad array of photochemical oxidants present in ambient air.
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From page 18...
... There are many questions about the applicability of these estimates to mortality risks associated with ozone, which may fall disproportionately to an older population with shorter remaining life expectancy and more frail health status. CHARGE TO THE COMMITTEE In light of the recent evidence on ozone mortality risk and questions about its implications for benefit analysis, EPA asked the National Research Council for scientific advice on how the ozone-mortality research findings could be used in the context of health-benefit analyses associated with regulatory assessments.
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From page 19...
... (2) Potential implications of methods used in the recent studies on reported benefits estimates (e.g., selection of data considered in the stud ies, selection of mortality effect estimates from within the considered data, control for effect moderators [such as temporal trends]
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From page 20...
... Identify any additional data, analyses, or research needed to separate the relative contributions of ozone and other gaseous or particulate components of the air pollution mix to the total short term premature mortality effect docu mented in the literature. In assessing the methods for estimating ozone mortality risk, the committee will not develop its own estimate of such risk.
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From page 21...
... The committee sought to benefit from and build on the work of other advisory groups. For example, the National Research Council report titled Estimating the Public Health Benefits of Proposed Air Pollution Regulations evaluated methods used by EPA to estimate health benefits, primarily the analysis of mortality associated with exposure to airborne particulate matter (NRC 2002)
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From page 22...
... Chapter 6 integrates the committee's overall conclusions and recommendations concerning ozone exposure, mortality risk, and benefit assessment. FIGURE 1-1 Methods used by EPA to assess the effects of NAAQS and control strategies developed to implement the standards.
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Key Terms

  • ambient ozone
  • ozone mortality
  • premature mortality
  • ozone concentrations
  • risk reduction

  • life expectancy
  • ozone exposure
  • economic valuation
  • ozone naaqs
  • health benefits

  • ambient air
  • estimating reductions
  • mortality associated
  • mortality effect
  • estimating ozone

  • mortality risks
  • national ambient
  • increased life
  • risk valuation
  • environmental economics

  • benefits assessments
  • associated benefits
  • remaining life
  • benefits expected
  • reduction benefits

  • regulatory impact
  • impact analysis
  • particulate matter
  • sensitivity analyses
  • benefit analysis


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