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20
|
亞硝酸鹽(以N計)(mg/L)
|
≤0.001
|
≤0.01
|
≤0.02
|
≤0.1
|
>0.1
|
21
|
氨氮(NH4)(mg/L)
|
≤0.02
|
≤0.02
|
≤0.2
|
≤0.5
|
>0.5
|
22
|
氟化物(mg/L)
|
≤1.0
|
≤1.0
|
≤1.0
|
≤2.0
|
>2.0
|
23
|
碘化物(mg/L)
|
≤0.1
|
≤0.1
|
≤0.2
|
≤1.0
|
>1.0
|
24
|
氰化物(mg/L)
|
≤0.001
|
≤0.01
|
≤0.05
|
≤0.1
|
>0.1
|
25
|
汞(Hg)(mg/L)
|
≤0.00005
|
≤0.0005
|
≤0.001
|
≤0.001
|
>0.001
|
26
|
砷(As)(mg/L)
|
≤0.005
|
≤0.01
|
≤0.05
|
≤0.05
|
>0.05
|
27
|
硒(Se)(mg/L)
|
≤0.01
|
≤0.01
|
≤0.01
|
≤0.1
|
>0.1
|
28
|
鎘(Cd)(mg/L)
|
≤0.0001
|
≤0.001
|
≤0.01
|
≤0.01
|
>0.01
|
29
|
鉻(六價)(Cr6+)(mg/L)
|
≤0.005
|
≤0.01
|
≤0.05
|
≤0.1
|
>0.1
|
30
|
鉛(Pb)(mg/L)
|
≤0.005
|
≤0.01
|
≤0.05
|
≤0.1
|
>0.1
|
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