RE: [safety] ALARP



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Andy Dearden (adearden(at)armature.com)
Tue, 24 Nov 1998 12:11:13 +0000


John McD writes: Tony The notion of "grossly disproportionate" is, of course, questionable. It is, in effect, saying that our (societal) attitude to risk varies very non-linearly (as opposed to linearly, etc.) with risk (as opposed to probability, accident severity, etc.). Its not clear that this is true - even if it is true in some cases, is it true generally? There is considerable evidence to suggest that society's attitude to risk does vary non-linearly with risk when defined as Risk = Severity x Probability In particular, issues like 'is the victim of this accident able to control their exposure to the hazard ?', 'is the victim a direct beneficiary of the process ?' come into play. There is a paper entitled: Risk, Percieved Risk and Dread : ....... that deals extensively with these issues - and how they affect public perception of the safety of nuclear power. Unfortunately I don't have my bibliography to hand at present so I can't identify the authors. Andy ---------------------------------------------- These opinions are my own, not my employer's Andy Dearden Senior Software Engineer, Armature Ltd One Apex View, Leeds LS11 9BH, UK --------------------------------------------------------------------- ADearden(at)armature.com voice +44 (0)113 259 5242 fax +44 (0)113 259 5150 http://www.armature.com


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