FN Data Need Supplement of Temporal Trend Analysis

Comment on Haastrup’s paper “ Issues in societal risk of hazardous chemicals: the use of FN diagrams, data, reliability and uncertainty ”
  • Roger Cooke
Part of the Technology, Risk, and Society book series (RISKGOSO, volume 12)


Mr. Haastrup is certainly correct in emphasizing that the methodology underlying the use of FN curves deserves a more stringent examination. His discussion of uncertainty in FN data is very sobering. Even more sobering is his Figure 9 showing differences in FN curve estimates. How should a regulator apply a societal risk criterion to individual installations when uncertainties in estimated FN relationships are large? This question has not yet received the attention it deserves.


Point Process Cumulative Number Public Acceptance Societal Risk Number Offatalities 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Roger Cooke

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