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This volume is the 3rd in a series of comprehensive publications
devoted to the molecular spectra and environmentally important
properties of polycyclic aromatic compounds which constitute one of
the most interesting classes of environmental carcinogens. Since
the first identification of dibenz(a, h)anthracene and later
benzo(a)pyrene as chemical carcinogens in the 1930's, the number of
publications devoted to this ubiquitously occurring group of
compounds has increased constantly. Therefore, this reference
source for the spectral, physicochemical and en vironmentaJ
properties of polycyclic aromatic compounds should be a welcome
addition to the previous volumes for scientists engaged in the
investigation, characterisation and control of this hazardous class
of pollutants. As was the case with the preceding volume, this
publication is the fruit of a close collaboration within the
General Directorate for SCience, Research and Development of the
Commission of the European Communities between the Environment
Institute of the Joint Research Centre Ispra, the Community Bureau
of Reference and expert laboratories in the member states. F. Geiss
Director of the Environment Institute JRC Ispra 1. Introduction
Polycyclic Aromatic Compounds (PAC) are an important class of
carcinogenic environmental pollutants, which occur in air, water,
soils, sediments, in food and in the work area. Because many
hundreds of closely related isomers are being formed and released
in the environment from combustion processes of fossil fuels and
other organic materials, their environmental and health con trol
presents a difficult task."
Based on the Lectures given during the Eurocourse on 'Practical
Applications of Quantitative Structure-Activity (QSAR) in
Environmental Chemistry and Toxicology' held at the Joint Research
Centre Ispra, Italy, June 11--15, 1990
In many scientific branches, and especially the environmental
sciences, the need for data treatment and evaluation is increasing
continuously. Therefore, the interest and application range of
multivariate analysis have expanded accordingly with a view of
structuring, interpreting, and evaluating complex data bases. In
this context, the present volume attempts to review the
state-of-the-art in multivariate analysis and give an overview of
the various fields of application in ecology, environmental
chemistry, toxicology, risk analysis, and structure-activity
relationship (SAR) studies. The first chapters of the book are
focusing on fundamental aspects of multivariate analysis. The
second part contains a number of case studies, with the application
of basic methods such as principal component analysis,
correspondence factor analysis, discriminant analysis, and neural
networks. This book reflects and combines the lectures organized in
June 1991 in the frame of the Eurocourse programme at JRC Ispra
under the sponsorship of the Institute for the Environment. It was
the intention of the course and the resulting publication to
promote and stimulate the application of multivariate analysis in
environmental sciences and related areas. F. Geiss Director
Environment Institute JRC Ispra vii LIST OF CONTRIBUTORS AND
LECTURERS Auda Y.: Maison de 1'0rient Mediterraneen, CNRS,
Universite Lyon 2, 7 rue Raulin, 69007 Lyon, France. Bacou A.M.:
Centre d'Ecologie Fonctionnelle et Evolutive, CNRS, BP 5051, 34033
Montpellier CEDEX, France. Banco G.: Centre d'Ecologie
Fonctionnelle et Evolutive, CNRS, BP 5051, 34033 Montpellier CEDEX,
France. Barny M.H.: Commissariat a l'Energie Atomique, IPSN, BP
6,92265 Fontenay-aux Roses CEDEX, France."
This volume is the 3rd in a series of comprehensive publications
devoted to the molecular spectra and environmentally important
properties of polycyclic aromatic compounds which constitute one of
the most interesting classes of environmental carcinogens. Since
the first identification of dibenz(a,h)anthracene and later
benzo(a)pyrene as chemical carcinogens in the 1930's, the number of
publications devoted to this ubiquitously occurring group of
compounds has increased constantly. Therefore, this reference
source for the spectral, physicochemical and en vironmentaJ
properties of polycyclic aromatic compounds should be a welcome
addition to the previous volumes for scientists engaged in the
investigation, characterisation and control of this hazardous class
of pollutants. As was the case with the preceding volume, this
publication is the fruit of a close collaboration within the
General Directorate for SCience, Research and Development of the
Commission of the European Communities between the Environment
Institute of the Joint Research Centre Ispra, the Community Bureau
of Reference and expert laboratories in the member states. F. Geiss
Director of the Environment Institute JRC Ispra 1. Introduction
Polycyclic Aromatic Compounds (PAC) are an important class of
carcinogenic environmental pollutants, which occur in air, water,
soils, sediments, in food and in the work area. Because many
hundreds of closely related isomers are being formed and released
in the environment from combustion processes of fossil fuels and
other organic materials, their environmental and health con trol
presents a difficult task.
Polycyclic Aromatic Compounds (PAC) are a broad class of compounds
whose wide distribution in the environment results from incomplete
combustion processes of fossil fuels in power generator, industrial
plant and domestic heating, from car exhaust gas and from tobacco
smoke. Many PACs are biologically active and in particular many of
the PACs with three or more fused rings are carcinogenic. Currently
there is concern of the occurrence of these pollutants at ppb
(ug.kg-1) le vel. However the predicted 2 to 3% annual increase in
the rate of their release into 1 the environment could lead to ppm
(ug.g-) levels in the next century. The move to wards stricter
control of these pollutants brings with it the need for accurate
monito ring of their environmental occurrence. Reliable
identification and quantification of these compounds in complex
environ mental samples depends greatly on the availability of
reference values for their phy sicochemical and biochemical
properties. This second volume results from a close collaboration
within the General Directorate for Science, Research and
Development of the Commission of the European Communities between
the Joint Research Centre, Ispra Establishment, the Community
Bureau of Reference and expert laboratories of the Member States."
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