GB15618-2009
2017-10-15 · GB15618-2009. EnvironmentalQuality Standards ChinaUnit:mg/kg Contaminants nc/ca Class ClassII Residential Land Commercial Land Industrial Land Metals contaminants Arsenic nc 5080 80 Cadmium nc 12100 100 Chromium nc 400700 700 Chromium (VI) nc 3030 Copper nc 350600 600 Lead nc 280600 600 Mercury nc 4040 Nickel nc ...