Health and Safety
Executive / Commission
Contract Research Reports
The project aims were to evaluate and derive sources of
population data to be utilised in major accident hazard modelling
and quantified risk assessment (QRA).
Population data is fundamental to the estimation of levels of
societal risk as well as providing potentially useful data for
other aspects of the HSE's work. Key criteria were laid down to
guide the process of selecting, manipulating and integrating
population data sets. The population data needed to provide
national cover, at high levels of detail, without incurring
excessive cost and to take account of diurnal changes in population
patterns associated with a range of different land uses. The
solution developed involved using postcode geography as a
foundation and then adding and combining further datasets to
provide a "richer" set of population data that
encompasses activity away from the home.
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