近日，河南省环保厅公布环境容量状况研究报告，结果显示：河南水环境已无容量、氨氮成为首要污染物，大气尚有部分容量、局部区域严重超载。其中化学需氧量、氨氮排放量高出环境容量限值2倍以上，环境容量状况不容乐观。 环 ... 河南省部分污染物排放高出环境容量限值2倍以上
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