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Chemosphere

Title:		"Characterization of ambient volatile organic compounds at a landfill site in Guangzhou, South China"
Author(s):		Zou SC; Lee SC; Chan CY; Ho KF; Wang XM; Chan LY; Zhang ZX;
Address:		"School of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou 510275, China"
Journal Title:		Chemosphere
Year:		2003
Volume:		51
Issue:		9
Page Number:		1015 - 1022
DOI:		10.1016/S0045-6535(03)00004-3
ISSN/ISBN:		0045-6535 (Print) 0045-6535 (Linking)
Abstract:		"Ambient air monitoring was conducted at Datianshan landfill, Guangzhou, South China in 1998 to investigate the seasonal and horizontal variations of trace volatile organic compounds (VOCs). Twelve sampling points over the Datianshan landfill were selected and samples were collected simultaneously using Carbontrap(TM) adsorption tubes. Thirty eight VOCs were detected in the winter, whereas 60 were detected in the summer. The VOC levels measured in summer were alkanes, 0.5-6.5 microg/m(3); aromatics, 2.3-1667 microg/m(3); chlorinated species, 0.2-31 microg/m(3); terpines, 0.1-34 microg/m(3); carbonyl species, 0.3-5.6 microg/m(3) and naphthalene and its derivatives, 0.4-27 microg/m(3). Compared to the summer samples the VOC levels in winter were much lower (mostly 1-2 orders of magnitude lower). The aromatics are dominant VOCs in landfill air both in winter and summer. High levels of alkylbenzene and terpines such as methyl-isopropylbenzene (max 1667 microg/m(3)) and limonene (max 162 microg/m(3)) cause undesirable odor. The similar correlation coefficients of BTEX in summer and winter suggest VOCs emissions were from landfill site sources. The variation of BTEX ratio at landfill site is different from that in the urban area of Guangzhou. It shows that the ambient VOCs at landfill site were different from the urban areas"
Keywords:		Air Pollutants/*analysis China Environmental Monitoring Hydrocarbons/*analysis *Odorants Organic Chemicals/analysis *Refuse Disposal Seasons Volatilization;
Notes:		"MedlineZou, S C Lee, S C Chan, C Y Ho, K F Wang, X M Chan, L Y Zhang, Z X eng Research Support, Non-U.S. Gov't England 2003/04/17 Chemosphere. 2003 Jun; 51(9):1015-22. doi: 10.1016/S0045-6535(03)00004-3"