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The Use of C in Natural Materials to Establish the Average Gaseous Dispersion Patterns of Releases from Nuclear Installations.

M. L. Otlet, A. J. Walker, H. Longley

Abstract


The Harwell Low Level measurements been measuring a variety of natural materials close to United Kingdom nuclear installations measurements are made first, to establish the releases to the atmosphere of 14C as observed tree rings and second, to establish dispersion contours ed over extended periods. The main study area has been Cumbria, around the BNFL nuclear installation at Sellafield. 14C, which can be measured to good precision even at values close to the normal natural levels, provides a powerful technique for the provision of practical experimental values much wanted for theoretical dispersion models.

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