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A round robin test was carried out to compare nondestructive (ND) radioactive waste gamma spectroscopy systems used to measure real 220 litre radioactive waste packages. The test was performed on four different packages, one of which was 100% homogeneous. A comparison of the results of the round-robin test shows that:
all the ND systems which had participated in this test fulfil the objectives for which they were developed and should be used;
the reported nuclide inventories by the ND systems of KEMA, CEA and KFA are in good agreement for homogeneous waste packages;
for inhomogeneous packages, the results of the ND systems of CEA and KFA are also in good agreement. The ND online process control system of KEMA, for homogeneous waste, reports in some cases a statistically significant different nuclide inventory when compared to the system of CEA and KFA;
the time to measure one 220 litre package on a routine base varies from 100 s (KEMA) to 2700 s (KFA).
Recommendations have been made for the design of a European round-robin test. est.

Additional information

Authors: VAN VELZEN L P M, KEMA Environmental Technology, Arnhem (NL);CHABALIER B, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR);BOSSY R, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR);EYMERY D, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR);FILSS P, KFA-Jülich (DE);KROTH C, KFA-Jülich (DE)
Bibliographic Reference: EUR 17107 EN (1997) 39pp., FS, ECU 8.50
Availability: Available from the (2)
ISBN: ISBN 92-827-8829-6
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