应德国弗赖贝格矿冶技术大学地质研究所所长B .J.Merkel教授的邀请 ,铀尾矿库退役治理技术考察小组一行 4人于 2 0 0 2年 1 2月 3日至 1 1日 ,在德国德累斯顿、弗赖贝格地区进行了技术考察。其间 ,主要参观了正在进行退役治理的HELMSDOF铀尾矿库、RONNERBERG露天采坑以及COSCH At the invitation of Professor B.J.Merkel, the director of Institute of Geology of Freiberg University of Mining and Metallurgy, Germany, a delegation of 4 persons from the decommissioning management team of uranium tailing ponds visited Shanghai from February 3 to January 1, 2002 Day, in Dresden, Germany, Freiberg conducted a technical study. In the meantime, they mainly visited the HELMSDOF uranium tailings depot undergoing decommissioning, the RONNERBERG open pit mining and the COSCH