Dechlorane Plus pollution and inventory in soil of Huai'an City, China

Chemosphere
Bin WangMasatoshi Morita

Abstract

Dechlorane Plus (DP) has been used as a highly chlorinated flame retardant substituting those that are now internationally regulated under the Stockholm Convention. Nevertheless DP's environmental behavior has seldom been studied in China. There is only one DP manufacturer producing DP since 2005, which is located in Huai'an, Jiangsu Province. The DP levels in 21 soil samples that were taken from Huai'an in October 2009 and determined by gas chromatography/electron-capture negative ion-mass spectrometry (GC/ECNI-MS) method ranged from 0.83 to 1.2 x 10(3) ng g(-1), following a lognormal distribution. The geometric mean was 5.1 ng g(-1) dry weight (dw) and the geometric standard deviation was 4.6. Sampled soils had f(anti)[C(anti)(-DP)/(C(syn)(-DP)+C(anti)(-DP))] values of 0.67-0.85, with the average value of 0.79, which are close to the values in DP commercial products. This suggests that the main DP pollution source is the commercial DP product. The contour map of DP levels in soil indicated that the factory was the point pollution source with the highest DP level in its surrounding area, especially the southern area. A Monte Carlo based inventory estimation was conducted. The DP inventory in Huai'an is estimated to be 4-31 ton...Continue Reading

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Citations

Jun 27, 2013·Environmental Geochemistry and Health·Ke XiaoQinghua Zhang
Dec 8, 2011·Environmental Monitoring and Assessment·Bin WangGang Yu
May 18, 2011·Environmental Science & Technology·Ed SverkoRonald A Hites
Nov 9, 2011·Environmental Science & Technology·Amina Salamova, Ronald A Hites
Jan 14, 2016·Environment International·Pu WangGuibin Jiang
May 31, 2011·Environment International·Qiming XianJiping Zhu
Jun 12, 2013·Journal of Hazardous Materials·Siwen WangBin Wang
Feb 11, 2015·Journal of Environmental Sciences (China)·Guangshui NaZiwei Yao
Aug 31, 2020·Environmental Science and Pollution Research International·Mazhar Iqbal ZafarMuhammad Bilal Khan Niazi
Oct 24, 2018·International Journal of Environmental Research and Public Health·Hui GaoZiwei Yao
Dec 23, 2019·Environmental Science and Pollution Research International·Dapeng WangWeijun Guo
Dec 3, 2016·Environmental Science and Pollution Research International·Xiaowei WuGan Zhang
Dec 15, 2020·Environmental Pollution·Xiaomei ZhenJianhui Tang
Nov 5, 2010·Environmental Science & Technology·Axel MöllerRalf Ebinghaus

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