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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 9 | Copyright

Special issue: New observing strategies for monitoring natural and technological...

Nat. Hazards Earth Syst. Sci., 14, 2337-2346, 2014
https://doi.org/10.5194/nhess-14-2337-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 03 Sep 2014

Research article | 03 Sep 2014

PM1 measurements at a site close to an oil/gas pre-treatment plant (Agri Valley – southern Italy): a preliminary study

S. Trippetta1,2, R. Caggiano1, and S. Sabia1 S. Trippetta et al.
  • 1IMAA, Istituto di Metodologie per l'Analisi Ambientale, CNR, C.da S. Loja, Z.I., 85050, Tito Scalo (PZ), Italy
  • 2Osservatorio Ambientale Val d'Agri, Via Vittorio Emanuele II, 3, 85052, Marsico Nuovo (PZ), Italy

Abstract. A PM1 (i.e. particulate matter with an aerodynamic diameter less than 1.0 μm) short-term monitoring campaign was carried out in the Agri Valley (southern Italy) in September 2012. This area is of international concern, since it houses one of the largest European on-shore reservoirs and the largest oil/gas pre-treatment plant (i.e. the Centro Olio Val d'Agri – COVA) within an anthropised context. PM1 measurements were performed in Viggiano, the nearest town to the COVA plant and one of the most populated towns of the Agri Valley. During the study period, the PM1 daily concentrations ranged from 1.2 to 8.4 μg m−3, with a mean value of 4.6 μg m−3. Regarding the PM1 chemical composition, it can be observed that S and typical crustal elements were the most abundant constituents of the PM1 collected. By applying principal component analysis (PCA), it was pointed out that crustal soil, biomass and wood burning, secondary atmospheric reactions involving COVA plant emissions and local soil particles, and traffic were the main sources contributing to the PM1 measured in the area under study. Moreover, a possible contribution of the long-range transport of African dust was observed.

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