चीन विषाक्त और खतरनाक जल प्रदूषक सूची

five volatile organic compounds, including dichloromethane, chloroform , trichloroethylene, tetrachloroethylene, and formaldehyde,five heavy metals substances including cadmium and cadmium compounds, mercury and mercury compounds, chromium VI compounds, lead and lead compounds, and arsenic and arsenic compounds.