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1. Aerial measurement of radioxenon concentration off the west coast of Vancouver Island following the Fukushima reactor accident.

Author

Sinclair LE, Seywerd HC, Fortin R, Carson JM, Saull PR, Coyle MJ, Van Brabant RA, Buckle JL, Desjardins SM, and Hall RM

Subjects
Canada, Geography, Japan, Radiation Dosage, Risk Assessment methods, Air Pollutants, Radioactive analysis, Radiation Monitoring methods, Radioactive Hazard Release, Xenon Radioisotopes analysis
Abstract

In response to the Fukushima nuclear reactor accident, on March 20th, 2011, Natural Resources Canada conducted aerial radiation surveys over water just off the west coast of Vancouver Island. Dose-rate levels were found to be consistent with background radiation, however a clear signal due to (133)Xe was observed. Methods to extract (133)Xe count rates from the measured spectra, and to determine the corresponding (133)Xe activity concentration, were developed. The measurements indicate that (133)Xe concentrations on average lie in the range of 30-70 Bq/m(3)., (Crown Copyright © 2011. Published by Elsevier Ltd. All rights reserved.)

Published
2011
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