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Estimates of the air pollution health impact play a crucial role in
environmental protection. These estimates require accurate data on
the pollutant exposure and dose to the population as well as the
dose-response relationships to calculate the health impact. From an
air quality manager's perspective there is concern about the
validity and accuracy of these calculations. There is a need for
information and possible ways to adjust the assessment. One
important topic for air quality managers is to understand the
relative cont- bution of sources to the total exposure. These
sources may be coming from both different outdoor sources from
sectors such as transport, industry and energy ind- tries, and from
a number of indoor sources, such as heating, ventilation and indoor
activities as well as out-gassing from building material and
furniture. Indoor air quality is now drawing the attention of
policy makers. The basic right to, and importance of, healthy
indoor air was emphasized by the World Health Organization as early
as 2000 and several countries have described target conc- trations
for various pollutants. The WHO Air Quality Guidelines 2005 rec-
mended the development of specific guidelines for indoor air
quality and these are expected to be published soon. Indoor air
pollutants have not been as extensively monitored as outdoor air
pollutants and the evidence base for contributions to health
effects needs to be strengthened.
An aerosol is a suspension of fine particles in a gas, usually air,
and is generally taken to include both solid and liquid particles
with dimensions ranging from a few nanometres up to around 100
micrometres in diameter. Aerosol sicence is the study of the
physics and chemistry of aerosol behaviour and this includes
techniques of generating particles of nanometre and micrometre
dimensions: size classification and measurement, transport and
deposition properties: chemical properties of aerosols in the
atmosphere and in industry, as well as health effects from
inhalation and industrial gas cleaning technology. Aerosols have
important commercial implications, e.g. pressure-packaged aerosol'
products, agricultural sprays, atmospheric visibility and high
technology materials and knowledge of aerosol properties is
important in a wide range of disciplines, including industrial
hygiene, air pollution, medicine, agriculture, meteorology and
geochemistry. Written by an international team of contributors,
this book forms a timely, concise and accessible overview of
aerosol science and technology. Chemists, technologists and
engineers new to aerosol science will find this book an essential
companion in their studies of the subject. Those more familiar with
aerosols will use it as an essential source of reference.
Estimates of the air pollution health impact play a crucial role in
environmental protection. These estimates require accurate data on
the pollutant exposure and dose to the population as well as the
dose-response relationships to calculate the health impact. From an
air quality manager's perspective there is concern about the
validity and accuracy of these calculations. There is a need for
information and possible ways to adjust the assessment. One
important topic for air quality managers is to understand the
relative cont- bution of sources to the total exposure. These
sources may be coming from both different outdoor sources from
sectors such as transport, industry and energy ind- tries, and from
a number of indoor sources, such as heating, ventilation and indoor
activities as well as out-gassing from building material and
furniture. Indoor air quality is now drawing the attention of
policy makers. The basic right to, and importance of, healthy
indoor air was emphasized by the World Health Organization as early
as 2000 and several countries have described target conc- trations
for various pollutants. The WHO Air Quality Guidelines 2005 rec-
mended the development of specific guidelines for indoor air
quality and these are expected to be published soon. Indoor air
pollutants have not been as extensively monitored as outdoor air
pollutants and the evidence base for contributions to health
effects needs to be strengthened.
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