Time-dependent study of Chernobyl fallout near Savannah River Site

Conference · Sun Jan 01 04:00:00 EST 1989 · Transactions of the American Nuclear Society; (USA)

OSTI ID:7070736

Winn, W G; Kantelo, M V

During 1986, atmospheric fallout from the Chernobyl reactor accident in April was detected from early May until late August near the Savannah River site (SRS) in Aiken, South Carolina. A total of 17 man-made nuclides were identified in the fallout, of which {sup 103}Ru, {sup 131}I, {sup 134}Cs, and {sup 137}Cs were predominant. The SRS capabilities for routine atmospheric monitoring were easily extended to study the Chernobyl fallout. The local impact of this fallout was quite minor. Calculations yielded a total inhaled dose of 0.09 {mu}Sv and a thyroid dose of 1.1 {mu}Sv. The {sup 137}Cs levels returned to preaccident levels by August. This indicates that the Chernobly fallout had only a short-term effect on airborne {sup 137}Cs concentrations, which are still dominated by historical fallout from nuclear weapons tests.

• OSTI ID: 7070736
• Report Number(s): CONF-891103--
• Conference Information: Journal Name: Transactions of the American Nuclear Society; (USA) Journal Volume: 60
• Country of Publication: United States
• Language: English

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