Iran provides chemical analyses of samples taken from cultural heritage artefacts and sites which suggest contact with particulate matter and hydrocarbons, but they are not sufficient to enable the Panel to determine the time of contact or the origin of the particulate matter.
伊朗提供了来自文物和文化遗址的样本的化学分析，显示接触到颗粒物和碳氢化合物，但不足以使小组确定接触的时间或颗粒物的来源。