At the time of writing, the topic of lead pollution is the subject
of an intense and sometimes heated debate. The argument centres
upon possible adverse health effects arising from exposure of
children to current environmental levels of lead. Such arguments
now appear little closer to resolution than they did five years
ago, although the development of ever more sophisticated
biochemical and epidemiological techniques may eventually provide
an answer. Over the past five to ten years, as the general public
has become aware of the lead issue, pressure has been put upon
governments to limit emissions of lead, and hence limit or reduce
the exposure of the population to the metal. Govern ments and
governmental agencies have responded in several ways, varying
between those who prefer to take little or no action on the basis
that they see no cause for concern, and those who have taken firm
action after concluding that the scientific and medical evidence
warrants this approach. Any effective control strategy for lead
requires knowledge of the sources of environmental exposure and an
understanding of the pathways of this metal in the environment.
This book aims to provide such information and to explain the
methods available for limiting emissions of lead from the most
important sources. To put this information in context a chapter on
the routes of human exposure to lead and the health effects is
included."
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