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Radioactive materials in recycled metals

J O Lubenau1, J G Yusko

  • 1U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001.

Health Physics
|April 1, 1995
PubMed
Summary

Radioactive material in recycled metal scrap poses significant risks, causing costly contamination and radiation exposure. Enhanced monitoring and regulatory oversight are crucial for the metal recycling industry globally.

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Area of Science:

  • Environmental Science
  • Industrial Safety
  • Nuclear Engineering

Background:

  • The metal recycling industry faces increasing contamination from radioactive materials in scrap metal.
  • Incidents of unintentional smelting of radioactive sources have led to widespread contamination and public health risks.
  • Radioactive materials include both licensed sources and naturally occurring radioactive materials.

Purpose of the Study:

  • To highlight the risks and economic impact of radioactive contamination in the metal recycling industry.
  • To evaluate current mitigation strategies and their effectiveness.
  • To discuss future challenges and policy recommendations for managing radioactive scrap metal.

Main Methods:

  • Review of reported incidents of radioactive material in metal scrap.
  • Analysis of economic costs associated with decontamination and lost profits.
  • Assessment of current radiation monitoring practices and regulatory frameworks.

Main Results:

  • 35 worldwide incidents of radioactive sources in recycled metal scrap have been reported.
  • Costs for U.S. mills range from $7 to $23 million per event for decontamination, waste disposal, and lost profits.
  • Current monitoring provides incomplete protection, necessitating improved regulatory oversight.

Conclusions:

  • Radioactive material in metal scrap remains a persistent threat, impacting both developed and developing nations.
  • Enhanced government regulatory oversight is needed for better control of licensed radioactive sources.
  • Balancing radiation safety, regulatory improvements, and budget constraints is essential for future policy development.

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