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US DOE NNSA Response to 2011 Fukushima Incident: At-sea Aerial Data

Published by National Nuclear Security Administration | Department of Energy | Catalog Last Checked: May 06, 2026 at 06:54 AM | Dataset Last Updated: May 02, 2014
The enclosed package represents radiation data collected with the fixed-wing aircraft (C-12) off the east coast of Japan on three separate flights dated April 5, 2011, April 18, 2011, and May 9, 2011. The data were collected with an array of large thallium activated sodium iodide (NaI(T)) crystals and associated readout electronics to produce time and location referenced measurements. These results represent raw data that have not been validated but not calibrated to physical units. They do not include any further evaluation.

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