Application of CMB Model to PM10 Data Collected in a Site of South Italy: Results and Comparison with APCS Model

Author(s): E. Andriani, M. Caselli, P. Ielpo, G. de Gennaro, B. E. Daresta, P. Fermo, A. Piazzalunga, M. C. Placentino

Journal Name: Current Analytical Chemistry

Volume 6 , Issue 1 , 2010

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Chemical mass balance modeling (CMB) was applied to determine the PM10 sources and their contributions. PM10 samples were collected in Lecce (40.338N, 18.108E, a town of South Italy), during two monitoring campaigns performed on July 2005 and February 2006. Nine source profiles and average mass concentration of the following chemical parameters: elemental carbon (EC), organic carbon (OC), chlorine (Cl-), nitrate (NO3 -), sulfate (SO4 2-), sodium (Na+), ammonium (NH4 +), potassium (K+), magnesium (Mg2+), calcium (Ca2+), aluminum (Al), silicon (Si), titanium (Ti), vanadium (V), manganese (Mn), iron (Fe), copper (Cu), lead (Pb), and zinc (Zn) were used to run the CMBmodel. The results obtained by application of CMB8.2 are shown. The contributions to PM10 show that dominant contributor was traffic with 37% followed by petroleum industry with 19% and field burning with 16%. Minor source contributions were marine aerosol (1%), ammonium sulfate production (4%), ammonium nitrate production (11%), oil-fired power plant (0.1%), gypsum handling (10%) and crustal (2%). Moreover, the Absolute Principal Component Scores (APCS) model was applied to the PM10 samples collected in order to find a correlation between the two source profile sets. With APCS model five source profiles were found and a good correlation (correlation coefficient bigger than 0.8) between crustal, marine, industrial profiles of CMB model and the corresponding ones of APCS model was found.

Keywords: CMB model, APCS model, PM10, Source profiles, Source contributions

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Article Details

Year: 2010
Page: [19 - 25]
Pages: 7
DOI: 10.2174/157341110790069619
Price: $65

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