- BOD and releasing standard
surface water classification and quality standard
Article 4
land surface water classification is divided into a, B, C, D, e and its application properties as follows:
A, the CPI: for a public water, swimming, class B, class C, D and E.
two and B type: suitable for the two grade public water, first class aquatic water, C, D and E.
three, C category: suitable for the three level public water, two grade aquatic water, first class industrial water, butyl and E class.
four, Ding Lei: suitable for irrigation water, two industrial water and environmental protection.
five, e category: application of environmental protection.
Sea surface water classification is divided into a, B, C three types and its application properties as follows:
A, the CPI: for a class of fisheries water, swimming, class B and class C.
two, B: suitable for the two level of aquatic products, two industrial water use and environmental protection.
three, C category: application of environmental protection.
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