9. 专家组讨论了爆炸物的标识问题，包括为确保通过取样或使用诸如机场用于鉴别行李和乘客的嗅探器等装置进行侦测的标识，还讨论了有时被称为“标签”的更复杂的标识形式，这些形式的标识意在确保爆炸物在爆炸之前，有些情况下甚至在爆炸发生之后能够予以识别或跟踪。
9. There was a discussion of the marking of explosives, including marking in order to ensure detection by sampling or sniffer devices such as those used to screen luggage and passengers in airports, and more elaborate forms of marking, also sometimes described as tagging, intended to ensure that explosives can be identified or traced prior to, and in some cases even after, detonation has occurred.