Characterization of particulate matter in the Apulia Region (South of Italy): features and critical episodes |
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| Authors: | Martino Amodio Eleonora Andriani Maurizio Caselli Paolo R Dambruoso Barbara E Daresta Gianluigi de Gennaro Pierina Ielpo Claudia M Placentino Maria Tutino |
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| Institution: | (1) Department of Chemistry, University of Bari, Via E. Orabona 4, 70126 Bari, Italy;(2) Present address: Water Research Institute - National Research Council, Via F. De Blasio, 5, I - 70123 Bari, Italy; |
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| Abstract: | The chemical composition of PM10 and PM2.5 samples collected during two seasonal monitoring campaigns at residential, urban and industrial Apulia Region- sites was
investigated. Ionic fraction, carbonaceous compounds and Polycyclic Aromatic Hydrocarbons were determined for all samples.
High correlations among PM data collected in the investigated sites suggested the regional character of particulate matter.
It was also confirmed by five days back trajectories analysis. Moreover, no significant seasonal trend in PM mass concentration
was observed in the investigated sites. These results, relevant for the area under investigations, were not observed in the
North of Italy and Europe and allow to conclude that PM10 and PM2.5 cannot be considered ‘good’ indicators for the evaluation of local anthropic contributions to air quality. On the contrary,
the high levels of Polycyclic Aromatic Hydrocarbons found in Taranto sampling sites suggested that PAHs can be a better indicator
for this purpose. This result is also relevant in order to weigh the importance of industrial area and to suggest right policy
control to decision makers. |
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