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US DOE/NNSA Response to 2011 Fukushima Incident: Raw Aerial Data and Extracted Ground Exposure Rates and Cesium Deposition

Published by National Nuclear Security Administration | Department of Energy | Metadata Last Checked: June 28, 2025 | Last Modified: 2013-04-11
The enclosed package represents radiation data collected with the fixed-wing aircraft (C-12) from 2 April 2011 to 9 May 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 been calibrated to physical units and validated. They do not include any further evaluation.

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