Slag of blast furnace discarded on the bank of the Jingsha river by Panzhihua Steel and Iron Cor (PSTC) has been threatened the security of the river system.

• 攀枝花钢铁公司采用高炉炼铁,每年产出大量的高炉渣,造成现有渣场无法堆放,并严重污染金沙江水域。