Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 279, Issue -, Pages 133-140Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2014.06.055
Keywords
Environmental media; Food; Human exposure; Daily intake; Phthalates
Categories
Funding
- Science and Technology Key Project of Tianjin, China [09 ZCGYSF01700]
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A total of 448 samples including foodstuffs (rice, steamed bun, vegetables, meat, poultry, fish, milk and fruits), ambient PM10, drinking water, soil, indoor PM10 and indoor dust samples from Tianjin were obtained to determine the distribution of six priority phthalates (PAEs) and assess the human exposure to them. The results indicated that DBP and DEHP were the most frequently detected PAEs in these samples. The concentrations of PAEs in environmental media were higher than those in food. We estimated the daily intake (DI) of PAEs via ingestion, inhalation and dermal absorption from five sources (food, water, air, dust and soil). Dietary intake was the main exposure source to DEP, BBP, DEHP and DOP, whereas water ingestion/absorption was the major source of exposure to DBP, DEHP and DOP. Although food and water were the overwhelmingly predominant sources of PAEs intake by Tianjin population, contaminated air was another important source of DMP, DEP and DBP contributing to up to 45% of the exposure. The results of this study will help in understanding the major pathways of human exposure to PAEs. These findings also suggest that human exposure to phthalate esters via the environment should not be overlooked. (C) 2014 Elsevier B.V. All rights reserved.
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