Residual effects of organochlorine pesticides (OCPs) in an e-waste recycling area compared with heavy metal pollution

Jingchun Shi, Li Xiang, Xiaoxiao Wang, Helong Ren, Longmeng Wei, Pengcheng Chen*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

13 Citations (Scopus)

Abstract

Disposal of e-waste is a global issue and has caused serious pollution in recycling areas. Most of these areas had once developed intensive agriculture and might incur organochlorine pesticides (OCPs) pollution. However, this used to be neglected. Here we discuss the joint effects via analyzing OCPs and heavy metals in a notorious e-waste recycling area. The OCPs showed higher (p = 0.005) pollution levels in soils from agricultural zone than in core e-waste recycling zone, which is opposite for heavy metals (p = 0.02). The OCPs and heavy metals showed the highest concentrations in the open burning site locating in the boundary between the e-waste and agricultural zones. Composition profiles further indicated that the land use changes from agriculture to e-waste industry might accelerate the release of buried OCPs. Worse still, the OCPs and heavy metals might pose carcinogenic and non-carcinogenic risks to local residents, respectively.

Original languageEnglish
Article number110651
JournalEcotoxicology and Environmental Safety
Volume198
DOIs
Publication statusPublished - 15 Jul 2020

User-Defined Keywords

  • e-waste recycling
  • Health risk
  • Heavy metals
  • Organochlorine pesticides
  • Plant
  • Soil

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