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Article
An Evaluation of Lead Concentrations in Plastic Toys located in Day Care centers in Las Vegas, Nevada
Bulletin of Environmental Contamination and Toxicology
  • Joseph A. Greenway, University of Nevada, Las Vegas
  • Shawn Gerstenberger, University of Nevada, Las Vegas
Document Type
Article
Publication Date
1-1-2010
Abstract
Childhood exposure to environmental lead continues to be a major health concern. This study examined lead content within the plastic of children's toys collected from licensed day care centers in the Las Vegas valley, Nevada. It was hypothesized that the use of lead as a plastics stabilizer would result in elevated lead (≥600 ppm) in polyvinyl chloride plastics (PVC) compared to non-PVC plastics. It was also hypothesized that, due to the use of lead chromate as a coloring agent, yellow toys would contain higher concentrations of lead (≥600 ppm) than toys of other colors. Toy samples were limited to those found in day care centers in Las Vegas, Nevada. 10 day care centers were visited and approximately 50 toy samples were taken from each center. Of the 535 toys tested, 29 contained lead in excess of 600 parts per million (ppm). Of those 29 toys, 20 were PVC and 17 were yellow. Both of the two hypotheses were strongly supported by the data.
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Citation Information
Joseph A. Greenway and Shawn Gerstenberger. "An Evaluation of Lead Concentrations in Plastic Toys located in Day Care centers in Las Vegas, Nevada" Bulletin of Environmental Contamination and Toxicology Vol. 85 Iss. 4 (2010) p. 363 - 366
Available at: http://works.bepress.com/shawn_gerstenberger/59/