Gamma Excavation Monitor (GEM)

GEM is a gross gamma system capable of real-time assay of excavated materials during clearance works. This bulk monitoring system has Environment Agency approval for effective material segregation of volumes up to 1m³.

Capable of measuring and segregating around 350 tonnes of material per day, GEM utilises a battery-operated CsI detector, is calibrated using a mathematical modelling code and all data is instantly downloaded to provide a record of the radioactive inventory and quantities of material.

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