“六五”期间,经过各级组织和广大职工的共同努力,建材工业在文明生产工作方面是有成绩的。我们集中治理了一批大中型项目,取得了良好效果,各地涌现了一批文明生产的先进单位。从全行业看,重点企业的粉尘污染逐年减轻。全国大中型水泥企业的粉尘排放量,1981年占年产水泥总量的4.14%,至1985年下降为1.68%;排放点的平均合格率由1981年的 During the “6th Five-Year Plan” period, through the joint efforts of organizations at all levels and the majority of employees, the building materials industry has achieved success in its civilized production work. We have centralized and administrated a number of large and medium-sized projects and achieved good results. A number of advanced units that have been civilized have emerged in various places. From the perspective of the whole industry, the dust pollution of key enterprises has been reduced year by year. The dust emissions of large and medium-sized cement companies nationwide accounted for 4.14% of the total annual cement output in 1981, and it dropped to 1.68% by 1985; the average rate of discharge point discharges from 1981