1987年7月1日,我们在徐州利国铁矿进行水质监测时发现:西部水井受电镀铬严重污染,井水六价铬浓度高达2.00mg/L,超标40倍,危及3000名职工及其家属的健康。 该井原是一口废矿井,位于利国铁矿西部水泥厂东南角围墙内,井距西北土山坡上的电镀车间200m,东侧10m外有数个大鱼 On July 1, 1987, when we monitored the water quality of the Liuguo Iron Mine in Xuzhou, we found that western wells were seriously polluted by electroplated chromium. The concentration of hexavalent chromium in well water was as high as 2.00 mg / L, which exceeded the standard by 40 times and endangered 3,000 workers and their Family health. The mine was originally a waste mine, located in the western corner of Liuguo iron ore plant in the southwestern corner of the wall, well northwest of soil on the slopes of the electroplating workshop 200m, 10m east of several large fish