Through water:
• Water runoff in agricultural areas that contain residues of pesticides and herbicides contain lead made of lead contaminated water.
• Many industries such as metallurgy, plating, manufacture of electronic discharge of wastewater containing high amounts of lead solder.
lead in water has the ability to accumulate and amplified in the food chain, affecting directly indirectly to human health.
đang được dịch, vui lòng đợi..
![](//viimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)