Abstract
The objective of present study was to identify volatile organic compounds (VOCs) emitted from several sources (fuels, traffic, landfills, coffee roasting, a street-food laboratory, building work, indoor use of incense and candles, a dental laboratory, etc.) located in Palermo (Italy) by using canister autosamplers and gas chromatography-mass spectrometry (GC-MS) technique. In this study, 181 VOCs were monitored. In the atmosphere of Palermo city, propane, butane, isopentane, methyl pentane, hexane, benzene, toluene, meta- and para-xylene, 1,2,4 trimethyl benzene, 1,3,5 trimethyl benzene, ethylbenzene, 4 ethyl toluene and heptane were identified and quantified in all sampling sites.
Highlights
Due to industrialization and expansion of the urban periphery, the distance between residential areas and productive ones has been gradually reduced
Once assessed the applicability of the quantitative method to air sampled by the canisters, the concentrations of 64 compounds (Table 3) at stations located in the city of Palermo were determined
We found most of the volatile substances present in emissions from several sources; these were produced substances present in emissions from several sources; these were by activities that characterize the productive economy and the lifestyle of a European city, in particular produced by activities that characterize the productive economy and the lifestyle of a European city, that of Palermo
Summary
Due to industrialization and expansion of the urban periphery, the distance between residential areas and productive ones (crafts, industrial, commercial) has been gradually reduced In this context, volatile compounds (often with a bad smell) produced by gas emissions from several activities, have been implicated as a cause of life quality decrease for neighboring communities and, in some cases, result in negative consequences for human health and welfare [1,2,3]. During the processing of municipal solid waste in landfills, VOCs are generated as intermediate or end products [10,11] The methods for their emission characterization and quantification generally are of three kinds [12,13,14,15]: Analytical (chemical analyses); Sensorial: (dynamic olfactometry); Senso-instrumental: (electronic nose). The concentrations of 64 volatile compounds at stations located in the city of Palermo (urban traffic) were quantified
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