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Sellafield awards $6B ‘high hazard risk reduction’ framework contract
Sellafield Ltd., the site license company overseeing the decommissioning of the United Kingdom’s Sellafield nuclear site in Cumbria, England, has awarded a 15-year framework contract worth up to £4.6 billion ($6 billion) to support “high hazard risk reduction programs” at the site.
M. F. Sulcoski, H. D. Warren
Nuclear Science and Engineering | Volume 85 | Number 3 | November 1983 | Pages 245-250
Technical Paper | doi.org/10.13182/NSE83-A17316
Articles are hosted by Taylor and Francis Online.
The thermal neutron sensitivities of 231Rh self-powered neutron detectors were measured in a 1-MW(thermal) pool-type reactor. Measured relative sensitivities are statistically compared against calculated relative sensitivities. The latter are derived from a formula for the ratio of the lateral surface area of the rhodium emitter of a given detector to the lateral surface area of the rhodium emitter of a reference detector. Least-squares linear regression analysis of relative sensitivity versus surface area shows that the calculational method yields the same calibration results as the measured method with a high degree of accuracy.
