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Airborne gamma-ray emitters from Fukushima detected in New York State

  • Michael E. Kitto
  • Traci A. Menia
  • Douglas K. Haines
  • Shaun E. Beach
  • Clayton J. Bradt
  • Eileen M. Fielman
  • Umme-Farzana Syed
  • Thomas M. Semkow
  • Abdul Bari
  • A. J. Khan
Article

Abstract

An air-sampling network that operates continuously as part of New York State’s environmental surveillance program collected radionuclides emitted as a result of the Fukushima nuclear accident. Samples were collected, typically for 7 days each, by drawing ~600 m3 of air through a particulate-collecting filter followed in series by a canister containing activated charcoal. Additional air sampling was implemented at ~3-day intervals at two locations. Gamma-ray spectroscopy was used to confirm the detection of 131I, 137Cs, 134Cs, and 7Be in the particulate phase at all sites, with maximum concentrations near 1,260, 160, 160, and 5,200 μBq/m3, respectively. Gas-phase 131I, collected on activated charcoal, exhibited a maximum concentration of 3,400 μBq/m3 at the sites. Assessment of radionuclide levels in the air samples suggests that there were minimal health impacts from the airborne radionuclides as the activities contributed an insignificant amount to the annual human dose.

Keywords

Surveillance Dose Gamma-ray spectroscopy Cesium Iodine 

Notes

Acknowledgments

The authors wish to thank staffs of the Bureau of Environmental Radiation Protection, regional and local health departments, and power utilities that support the sampling for the environmental surveillance network.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2012

Authors and Affiliations

  • Michael E. Kitto
    • 1
    • 2
  • Traci A. Menia
    • 1
  • Douglas K. Haines
    • 1
  • Shaun E. Beach
    • 1
  • Clayton J. Bradt
    • 1
  • Eileen M. Fielman
    • 1
  • Umme-Farzana Syed
    • 1
  • Thomas M. Semkow
    • 1
    • 2
  • Abdul Bari
    • 1
  • A. J. Khan
    • 1
  1. 1.Wadsworth CenterNew York State Department of HealthAlbanyUSA
  2. 2.School of Public HealthState University of New YorkAlbanyUSA

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