A review of sources, environmental occurrences and human exposure risks of hexachlorobutadiene and its association with some other chlorinated organics

Haiyan Zhang, Yanting Shen, Wencong Liu, Zhiqiao He, Jianjie Fu, Zongwei CAI*, Guibin Jiang

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

4 Citations (Scopus)

Abstract

Research on hexachlorobutadiene (HCBD) has increased since its listing in the Stockholm Convention on Persistent Organic Pollutants in 2011. However, thorough reports on recent data regarding this topic are lacking. Moreover, potential associations between HCBD and some chlorinated organics have usually been ignored in previous research. In this review, possible formation pathways and sources, current environmental occurrences and human exposure risks of HCBD are discussed, as well as the association with several organochlorine compounds. The results reveal that unintentional production and emission from industrial activities and waste treatments are the main sources of HCBD. Similar precursors are found for HCBD and chlorobenzenes, indicating the presence of common sources. Although recent data indicates that levels of HCBD in the environment are generally low, risks from human exposure to HCBD, together with other pollutants, may be high. More attention in the future needs to be paid to the mixed contamination of HCBD and other pollutants from common sources.

Original languageEnglish
Pages (from-to)831-840
Number of pages10
JournalEnvironmental Pollution
Volume253
DOIs
Publication statusPublished - Oct 2019

Scopus Subject Areas

  • Toxicology
  • Pollution
  • Health, Toxicology and Mutagenesis

User-Defined Keywords

  • Chlorinated organics
  • Environmental occurrences
  • Hexachlorobutadiene
  • Human exposure risk
  • Sources

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