
196 ◾ Risk Assessment and Security
involved; or perceived future risks entailing undue, irrational fears). Procedurally,
implementation of
requires much more information than that typically available
for other risk assessment schemes, for instance, treatment of multiple fatalities
incurred in a large number of victims, as well as life expectancy data for the
calculation of loss of life expectancy due to fatalities L
f
for some appropriate actu-
arial period (taken here to be one calendar year). In general,
,
Ln
ffj
where
n
f,j
is the number of fatalities with age a
i
A
i
is the associated life expectancy
N
i
is the total number of fatalitie ...