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Int J Environ Res Public Health

Title:		"A three year study on 14 VOCs at one site in Rome: levels, seasonal variations, indoor/outdoor ratio and temporal trends"
Author(s):		Fuselli S; De Felice M; Morlino R; Turrio-Baldassarri L;
Address:		"Igiene degli Ambienti di Vita, Dipartimento Ambiente e Connessa Prevenzione Primaria, Istituto Superiore di Sanita, Viale Regina Elena 299, 00161 Roma, Italia. [corrected]"
Journal Title:		Int J Environ Res Public Health
Year:		2010
Volume:		20101022
Issue:		10
Page Number:		3792 - 3803
DOI:		10.3390/ijerph7103792
ISSN/ISBN:		1660-4601 (Electronic) 1661-7827 (Print) 1660-4601 (Linking)
Abstract:		"Fourteen volatile organic compounds (VOCs)-twelve hydrocarbons and two organochlorine compounds-were monitored both outdoors and indoors for three years at one site in Rome. Results showed that 118 out of 168 indoor seasonal mean values were higher than the corresponding outdoor concentrations. The most relevant source of outdoor hydrocarbons was automotive exhaust emissions. Due to the enforcement of various measures to protect health and the environment, outdoor levels of monoaromatic hydrocarbons decreased about ten fold over 15 years, and aliphatic hydrocarbons also decreased. With the decrease in these outdoor concentrations, indoor air sources are likely to be more relevant for indoor air exposures. Winter outdoor values for monoaromatic hydrocarbons were generally markedly higher than the summer ones. The gradual replacement of the current fleet of circulating cars with new cars complying with EURO 5 standards, further reducing hydrocarbon emissions, may possibly lead to an increase in the observed indoor/outdoor ratios. It is indeed more difficult to remove indoor sources, some of which are still unknown"
Keywords:		"Air Pollutants/*analysis Air Pollution, Indoor Rome *Seasons Volatile Organic Compounds/*analysis VOCs automotive emissions benzene indoor air outdoor air;"
Notes:		"MedlineFuselli, Sergio De Felice, Marco Morlino, Roberta Turrio-Baldassarri, Luigi eng Switzerland 2010/12/09 Int J Environ Res Public Health. 2010 Oct; 7(10):3792-803. doi: 10.3390/ijerph7103792. Epub 2010 Oct 22"