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Table 1

The standard of surface water environment quality (GB3838-2002, China)

DOCODMnBOD5NH3–NTPTNCuZnFCdPboilsF. coli
7.5 0.15 0.02 0.2 0.02 0.05 0.001 0.01 0.05 200 
II 0.5 0.1 0.5 0.005 0.05 0.05 2,000 
III 0.2 0.005 0.05 0.05 10,000 
DOCODMnBOD5NH3–NTPTNCuZnFCdPboilsF. coli
7.5 0.15 0.02 0.2 0.02 0.05 0.001 0.01 0.05 200 
II 0.5 0.1 0.5 0.005 0.05 0.05 2,000 
III 0.2 0.005 0.05 0.05 10,000 
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