F. R. Farmer
F. Reg Farmer OBE, FRS, (1914–2001) was a British nuclear regulator (working for the United Kingdom Atomic Energy Authority's Safety and Reliability Directorate, SRD) and later an academic at Imperial College London.
Accomplishments
- He considered the public acceptability of risk, (e.g. from nuclear reactors), arguing that a whole spectrum of events needs to be considered - not just the Maximum Credible Accident, but also those of less consequence but which were much more probable.
- He used examples such as hill walking to define a spectrum of risks which people found acceptable.
- He embodied this in a variation of (Acceptable Risk Frequency/Event Probability) with (Consequence), which is usually called the Farmer Curve.[1]
- Farmer postulated a near-inverse variation as acceptable - thus events which have twice the consequence must be approximately half as frequent, or less. The Farmer Curve is usually plotted as a straight line in log-log co-ordinates.
References
- ^ Introduced by Farmer, Farmer's curves are complementary cumulative risk profiles of accident outcomes. As an example, the horizontal axis could display the variable "accident severity" or "number of fatalities". The vertical axis would show the "frequency of fatalities exceeding X" which is a complementary cumulative risk profile. M. Raghab, SAFETY, Chapter 5, The Risk Assessment Methodology
- [1] typical Farmer Paper
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