60Co contamination in recycled steel resulting in elevated civilian radiation doses

Causes and challenges

Wushou P. Chang, Chang Chuan Chan, Jung Der Wang

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Since late 1992, more than 100 building complexes containing public and private schools and nearly 1,000 apartments have been identified in Taiwan with elevated levels of gamma-radiation from construction steel contaminated with 60Co. Due to improper handling of 60Co contaminated scrap steel in late 1982 and 1983, contaminated construction materials have been widely distributed throughout the country. These contaminated construction materials have generated elevated radiation exposures to members of the public in Taiwan. As of early 1996, more than 4,000 people, including young students, have been identified as receiving more than 1 mSv y-1 above the local background for up to 12 y. This report provides a detailed discussion of the sources of the 60Co contamination in construction steel, its discovery in the building complexes, and preliminary evaluation and remediation activities.

Original languageEnglish
Pages (from-to)465-472
Number of pages8
JournalHealth Physics
Volume73
Issue number3
Publication statusPublished - Sep 1997
Externally publishedYes

Fingerprint

Steel construction
Steel
Dosimetry
contamination
Contamination
steel
Steel scrap
steels
Taiwan
Radiation
dosage
causes
radiation
Remediation
Gamma rays
scrap
radiation exposure
Gamma Rays
radiation dosage
Students

Keywords

  • Co
  • Contamination
  • Exposure
  • Radiation
  • Recycling

ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Science (miscellaneous)
  • Environmental Chemistry
  • Health, Toxicology and Mutagenesis
  • Public Health, Environmental and Occupational Health
  • Toxicology
  • Physics and Astronomy (miscellaneous)

Cite this

60Co contamination in recycled steel resulting in elevated civilian radiation doses : Causes and challenges. / Chang, Wushou P.; Chan, Chang Chuan; Wang, Jung Der.

In: Health Physics, Vol. 73, No. 3, 09.1997, p. 465-472.

Research output: Contribution to journalArticle

Chang, Wushou P. ; Chan, Chang Chuan ; Wang, Jung Der. / 60Co contamination in recycled steel resulting in elevated civilian radiation doses : Causes and challenges. In: Health Physics. 1997 ; Vol. 73, No. 3. pp. 465-472.
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