The Mailbox Computer System for the IAEA verification experiment on HEU downlending at the Portsmouth Gaseous Diffusion Plant

Technical Report · Mon Jul 31 04:00:00 EDT 2000

DOI:https://doi.org/10.2172/773950· OSTI ID:773950

Aronson, A L ^[1]; Gordon, D M

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1. BROOKHAVEN NATIONAL LABORATORY

IN APRIL 1996, THE UNITED STATES (US) ADDED THE PORTSMOUTH GASEOUS DIFFUSION PLANT TO THE LIST OF FACILITIES ELIGIBLE FOR THE APPLICATION OF INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA) SAFEGUARDS. AT THAT TIME, THE US PROPOSED THAT THE IAEA CARRY OUT A ''VERIFICATION EXPERIMENT'' AT THE PLANT WITH RESPECT TO DOOWNBLENDING OF ABOUT 13 METRIC TONS OF HIGHLY ENRICHED URANIUM (HEU) IN THE FORM OF URANIUM HEXAFLUROIDE (UF6). DURING THE PERIOD DECEMBER 1997 THROUGH JULY 1998, THE IAEA CARRIED OUT THE REQUESTED VERIFICATION EXPERIMENT. THE VERIFICATION APPROACH USED FOR THIS EXPERIMENT INCLUDED, AMONG OTHER MEASURES, THE ENTRY OF PROCESS-OPERATIONAL DATA BY THE FACILITY OPERATOR ON A NEAR-REAL-TIME BASIS INTO A ''MAILBOX'' COMPUTER LOCATED WITHIN A TAMPER-INDICATING ENCLOSURE SEALED BY THE IAEA.

• Research Organization: Brookhaven National Lab., Upton, NY (US)
• Sponsoring Organization: UNITED STATES MEMBER STATE SUPPORT PROGRAM IAEA (US)
• DOE Contract Number: AC02-98CH10886
• OSTI ID: 773950
• Report Number(s): BNL--52605; NN4003000; NN4003000
• Country of Publication: United States
• Language: English

Related Subjects

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
COMPUTERS
HIGHLY ENRICHED URANIUM
IAEA
METRICS
PORTSMOUTH GASEOUS DIFFUSION PLANT
SAFEGUARDS
URANIUM
VERIFICATION