Table 5.68
Toxicity values of focus pollutants
No.
Pollutants
Oral slope factor
Inhalation unit risk
Oral reference dose
Inhalation reference
concentration
EPA toxicity
classification
SF
o
IUR
RfD
o
RfC
1/(mg/
kg/d)
References
1/(mg/
m
3
)
References
mg/kg/
d
1/(mg/
kg/d)
References
1/(mg/
m
3
)
References
mg/
kg/d
1
Chlorine
–
–
–
–
1.00E
−01
EPA-I
1.50E−04
A
NA
–
2
Ammonia
nitrogen
–
–
–
–
–
–
1.00E−01
EPA-I
NA
–
3
Manganese
–
–
–
–
1.40E
−01
EPA-I
5.00E−05
EPA-I
D
EPA-I
4
Fluorine
–
–
–
–
4.00E
−02
R369
1.30E−02
R369
NA
–
Note
“–” means no reference values available
5.3 Southwest China
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