Abstract

Several epidemiological studies have shownthe negative effect of Particulate Matter (PM) onhuman health; in particular, it was shown that thefiner fractions of PM (PM2.5 and PM1) can penetratedeeply into the lung and cause negative effects whichranges from cardiovascular and neurotoxic effects tocancer (Künzli and Perez, 2009).For this reason, plans to suggest right policycontrols for human health protection have to takeninto account the most relevant emission sources forthe area under investigation and how PMconcentrations at receptors can be influenced bytransport, mixing and transformation processes.In this work, the collaboration among differentpartners, such as Apulian Agency for EnvironmentalProtection, University of Bari, University of Lecce,CNR-ISAC, allowed to obtain important results by aPM monitoring campaign performed in ApuliaRegion. PM10 has been collected in five differentsampling sites (Torchiarolo, Galatina, Taranto-Tamburi, Palagiano e Montalbano-Ostuni) atdifferent distance from the iron and steel pole ofTaranto. The main interest on Taranto is due to thepresence of several activities of high impact as verywide industrial area close to the town and thenumerous maritime and military activities in theharbour area (Amodio et al., 2008). Therefore, theaim of this study was the chemical characterizationof PM10 samples in order to estimate emissionsources contributions and to evaluate how thesesources influence pollutants concentrations at thesampling sites.Fifteen daily samples have been collected in theperiod from February 2009 to March 2009. Thechemical characterization of the samples has beenperformed to determine inorganic components,Polycyclic Aromatic Hydrocarbons, carbonaceousfractions and metals.It was found that the sampling site close to thesteel plant (Taranto-Tamburi) was affected by ironand manganese concentrations greater than thoseobserved in other sites (an order of magnitude) whenthe wind direction allowed the transport from theplant to the receptor.The contribution of crustal matter source hasbeen evaluated by means of titanium and siliconconcentrations: almost the same values wereobserved in the different sites and it was explainedaccording to a regional contribution of this source.On the contrary, the chemical concentrations ofsodium and chlorine allowed to highlight the localcontributions of marine aerosol.Finally, the relevance of biomass burning fordomestic heating in the sampling site of Torchiaroloe Galatina has been shown by high concentrations ofPAHs and potassium, in agreement with highaluminium concentrations.Moreover, SEM - EDS analysis allowed themorphological characterization of PM: the collectedimages were used both to obtain particles statisticalsize and shape distributions and to characterizechemical species.In the sampling period, Comprehensive AirQuality Model with extensi

Autore Pugliese

• Mangia Cristina

Tutti gli autori

• Andriani E.; Angioli L.; Amodio M.; Assennato G.; Cervino M.; de Gennaro G; De Giorgi M.G.; Demarinis Loiotile A.; Di Gilio A.; Ficarella A.; Ficocelli S.; Giua R.; Mangia C.; Menegotto M.; Morabito A.; Nocioni A.; Placentino C.M.; Tarantino M.; Tutino M.

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Anno di pubblicazione

2010

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