1989年8月22日至23日海洋倾废专家组全体成员在大连召开了第二次工作会议。 与会期间,倾废专家组组长周家义教授介绍了当前国际上有关疏浚物的分类方法和处置的现状与发展趋势,并报告了一年来对我国沿海主要港口疏浚物沾污状况的调查结果。经专家们认真讨论,一致同意采用“溶出法”对我国各海区的疏浚物进行分类,拟定1990年第一季度提交疏浚物分类原则和倾倒指南。 August 22-23, 1989 All members of the marine dumping expert group held the second working conference in Dalian. During the meeting, Prof. Zhou Jiayi, leader of the waste dumping expert group, introduced the current status and trends of the international classification and disposal methods of dredged materials and reported the results of the survey on the contamination status of dredged materials in major coastal ports of China over the past year. After careful discussion by the experts, they agreed to adopt the “Dissolution Law” to classify the dredged materials in various sea areas of our country and draw up the guidelines for dredging classification and dumping submitted in the first quarter of 1990.