Occurrence and Characterization of Selected Organochlorine Contaminants in Outdoor Dust Collected from Xinxiang, a Fast Developing City in North China

Overview

Journal Environ Monit Assess

Publisher Springer

Specialty Environmental Health

Date 2011 Jun 30

PMID 21713482

Authors

Yongfang Li

Zhongzhi Yang

Xiaoduo Kong

Guangjie He

Affiliations

Soon will be listed here.

Abstract

As facile "environmental media", the outdoor dust may reflect the changes of contaminants in environment more promptly. In the present study, selected organochlorine contaminants (OCs) include hexachlorocyclohexanes (HCHs), dichlorodiphenyltrichloroethanes (DDTs), hexachlorobenzene (HCB), and pentachlorobenzene (PeCB) were detected in 20 outdoor dust samples collected from Xinxiang City. The concentrations of ΣHCHs, ΣDDTs, HCB, and PeCB in dust were in the range of 0.18-5.05 ng/g dry weight, 0.44-13.50 ng/g dry weight, 0.13-51.61 ng/g dry weight and ND-0.74 ng/g dry weight, respectively. Long-range transport, historical use, and recent impact of impure pesticides might be the main sources of OCs in the outdoor dust. The results of this study indicated that impure pesticide application maybe an important source of DDTs and HCB in the environment.

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