Explosives trace detectors (ETD) are security detection equipment which indicates presence of explosives by detecting trace amounts of explosives, either in the form of particulate material or as a vapour. Due to its high sensitivity, ETD is today regarded as an essential tool for airport security screening. The EU Regulator has also included ETD as eligible equipment, sometimes as a supplementary technique, for practical all regulated screening situations at EU airports. However, detailed measures for its actual use are rather sparse and not consistent across the various chapters of the Regulation. There are measures detailed for its use in some situations but not for other. Guidelines on sampling are not consistent and sometimes missing. Furthermore, detection performance standards remain to be defined. The aim of this study is to give an overview of the implementation of ETD in Regulation as of today and to provide an expert assessment of how it may be improved, particularly regarding guidance on sampling.
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