Children's exposure to harmful elements in toys and low-cost jewelry

Characterizing risks and developing a comprehensive approach

Mert Guney, Gerald J. Zagury

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Contamination problem in jewelry and toys and children's exposure possibility have been previously demonstrated. For this study, risk from oral exposure has been characterized for highly contaminated metallic toys and jewelry ((MJ), n=. 16) considering three scenarios. Total and bioaccessible concentrations of Cd, Cu, Ni, and Pb were high in selected MJ. First scenario (ingestion of parts or pieces) caused unacceptable risk for eight items for Cd, Ni, and/or Pb (hazard index (HI). >. 1, up to 75, 5.8, and 43, respectively). HI for ingestion of scraped-off material scenario was always <1. Finally, saliva mobilization scenario caused HI. >. 1 in three samples (two for Cd, one for Ni). Risk characterization identified different potentially hazardous items compared to United States, Canadian, and European Union approaches. A comprehensive approach was also developed to deal with complexity and drawbacks caused by various toy/jewelry definitions, test methods, exposure scenarios, and elements considered in different regulatory approaches. It includes bioaccessible limits for eight priority elements (As, Cd, Cr, Cu, Hg, Ni, Pb, and Sb). Research is recommended on metals bioaccessibility determination in toys/jewelry, in vitro bioaccessibility test development, estimation of material ingestion rates and frequency, presence of hexavalent Cr and organic Sn, and assessment of prolonged exposure to MJ.

Original languageEnglish
Pages (from-to)321-330
Number of pages10
JournalJournal of Hazardous Materials
Volume271
DOIs
Publication statusPublished - Apr 30 2014
Externally publishedYes

Fingerprint

Jewelry
Play and Playthings
Costs and Cost Analysis
Eating
Hazards
cost
Costs
hazard
regulatory approach
ingestion rate
Contamination
European Union
Metals
exposure
metal
Research

Keywords

  • Cadmium
  • Children's health
  • Lead
  • Risk characterization
  • Toy and jewelry

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Environmental Chemistry
  • Environmental Engineering
  • Health, Toxicology and Mutagenesis
  • Pollution
  • Medicine(all)

Cite this

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abstract = "Contamination problem in jewelry and toys and children's exposure possibility have been previously demonstrated. For this study, risk from oral exposure has been characterized for highly contaminated metallic toys and jewelry ((MJ), n=. 16) considering three scenarios. Total and bioaccessible concentrations of Cd, Cu, Ni, and Pb were high in selected MJ. First scenario (ingestion of parts or pieces) caused unacceptable risk for eight items for Cd, Ni, and/or Pb (hazard index (HI). >. 1, up to 75, 5.8, and 43, respectively). HI for ingestion of scraped-off material scenario was always <1. Finally, saliva mobilization scenario caused HI. >. 1 in three samples (two for Cd, one for Ni). Risk characterization identified different potentially hazardous items compared to United States, Canadian, and European Union approaches. A comprehensive approach was also developed to deal with complexity and drawbacks caused by various toy/jewelry definitions, test methods, exposure scenarios, and elements considered in different regulatory approaches. It includes bioaccessible limits for eight priority elements (As, Cd, Cr, Cu, Hg, Ni, Pb, and Sb). Research is recommended on metals bioaccessibility determination in toys/jewelry, in vitro bioaccessibility test development, estimation of material ingestion rates and frequency, presence of hexavalent Cr and organic Sn, and assessment of prolonged exposure to MJ.",
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