Journal
ENVIRONMENTAL POLLUTION
Volume 170, Issue -, Pages 161-168Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2012.06.017
Keywords
Phthalate esters; Agricultural soil; Wasteland soil; Suburban area; Tianjin
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Funding
- Study on the influence of wind erosion dust from suburban surface on urban air quality and the key protection technology and demonstration (Special Environmental Research Fund for Public Welfare) [200909005]
- Science and Technology Key Project of Tianjin [09ZCGYSF01700]
- Shanghai Tongji Gao Tingyao Environmental Science & Technology Development Foundation (STGEF)
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The distribution of six priority phthalic acid esters (PAEs) in suburban farmland, vegetable, orchard and wasteland soils of Tianjin were obtained with gas chromatography-mass spectrometer analysis in 2009. Results showed that total PAEs varied from 0.05 to 10.4 mu g g(-1), with the median value as 0.32 mu g g(-1). Di-(2-ethylhexyl) phthalate and di-n-butyl phthalate are most abundant species. PAEs concentrations for the four types of soils exhibited decreasing order as vegetable soil > wasteland soil > farmland soil > orchard soil. PAEs exhibited elevated levels in more developed regions when compared with other studies. The agricultural plastic film could elevate the PAEs contents in soils. Principal component analysis indicated the emission from cosmetics and personal care products and plasticizers were important sources for PAEs in suburban soils in Tianjin. The higher PAEs contents in wasteland soils from suburban area should be paid more attention owing to large amounts of solid wastes appeared with the ongoing urbanization. (c) 2012 Elsevier Ltd. All rights reserved.
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