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Godiva-IV Dosimetry Exercise 2022 (IER-538 CED4A Report)

Technical Report ·
DOI:https://doi.org/10.2172/1964010· OSTI ID:1964010
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  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
  5. Savannah River Site (SRS), Aiken, SC (United States)
  6. Hanford Site (HNF), Richland, WA (United States)
  7. Y-12 National Security Complex, Oak Ridge, TN (United States)
  8. Naval Dosimetry Center, Bethesda, MD (United States)
  9. Atomic Weapons Establishment (AWE), Berkshire (United Kingdom)
  10. Inst. de Radioprotection et de Sûrete Nucleaire (ISRN), Fontenay-aux-Roses (France)
+ Show Author Affiliations

This report presents the final results of IER 538, The International Nuclear Accident Dosimeter (NAD) Intercomparison Exercise with Godiva-IV. The purpose of the exercise, held in August of 2022, was to test participants’ NADs and dosimetry personnel to the dose estimation requirements established by ANSI/HPS-N13.3 Dosimetry for Criticality Accidents and DOE-STD-1098-2017, Radiological Control. Two prompt critical bursts of the Godiva critical assembly were used to simulate criticality accidents, and NADs from participating laboratories were placed at known locations around Godiva, mounted on either BOttle Manikin ABsorptions (BOMABs) phantoms (to simulate doses received by people) or plates (to simulate doses in free air). Similar exercises have been held in 2016 and 2018 using National Criticality Experiments Research Center’s (NCERC’s) Flattop and Godiva assemblies.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
DOE Contract Number:
AC52-07NA27344
OSTI ID:
1964010
Report Number(s):
LLNL--TR-842754; 1064507
Country of Publication:
United States
Language:
English

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Related Subjects

61 RADIATION PROTECTION AND DOSIMETRY
Accident Dosimetry
BOttle Manikin ABsorptions (BOMABs) Phantoms
Critical Bursts
Integral Experiments
NADs
Nuclear Criticality Safety Program (NCSP)
Plates