Environmental Quality Standards for Surface Water
1.1 This standard specifies the water quality items, standard values, evaluation of water quality and analysis method of water quality items as well as implementation and supervision of standard based on the environmental function classification and protection target of surface water 1.2 This standard is applicable to rivers, lakes, canals, channels, reservoirs and other surface water areas with utilizable functions within People’s Republic of China. The water areas with specific functions shall comply with corresponding professional water quality standards.
2 Normative References
"Specification for Drinking Water Quality" (issued by the Ministry of Health in 2001) as well as other standards and codes for analysis methods listed in Tables 4~6 contain provisions which, through reference in this text, constitute provisions of this standard, and have the same effect as this standard. If the above-mentioned standards and codes are revised, their latest edition shall apply.