Activities of γ-ray emitting isotopes in rainwater from Greater Sudbury, Canada following the Fukushima incident-Reference-Cited by-同舟云学术

Activities of γ-ray emitting isotopes in rainwater from Greater Sudbury, Canada following the Fukushima incident

Published:2012-06 Issue:6 Volume:90 Page:599-603
ISSN:0008-4204
Container-title:Canadian Journal of Physics
language:en
Short-container-title:Can. J. Phys.

Author:

Cleveland B.T.¹²,Duncan F.A.¹²,Lawson I.T.¹,Smith N.J.T.¹²,Vázquez-Jáuregui E.¹

Affiliation:

1. SNOLAB, 1039 Regional Road 24, Lively, ON P3Y 1N2, Canada.

2. Department of Physics, Laurentian University, Sudbury, ON P3E 2C6, Canada.

Abstract

We report the activity measured in rainwater samples collected in the Greater Sudbury area of eastern Canada on 3, 16, 20, and 26 April 2011. The samples were γ-ray counted in a germanium detector and the isotopes 131I and 137Cs, produced by the fission of 235U, and 134Cs, produced by neutron capture on 133Cs, were observed at elevated levels compared to a reference sample of ice water. These elevated activities are ascribed to the accident at the Fukushima Dai-ichi nuclear reactor complex in Japan that followed the 11 March 2011, earthquake and tsunami. The activity levels observed at no time presented health concerns.

Publisher

Canadian Science Publishing

Subject

General Physics and Astronomy

Link

http://www.nrcresearchpress.com/doi/pdf/10.1139/p2012-047

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