Table 5.133
Values of toxicity factors of pollutants of concern
No.
Pollutants
Oral slope factor
Inhalation unit risk
Oral reference dose
Inhalation reference
concentration
Oral slope factor
SF
o
IUR
RfD
o
RfC
1/(mg/kg/d) References 1/(mg/m
3
) References mg/kg/d
References mg/m
3
References
–
References
1
Nitrites
–
–
–
–
1.00E−01 EPA-I
–
–
NA
–
2
Potassium nitrate
–
–
–
–
1.60E+00 EPA-I
–
–
NA
–
3
Boron
–
–
–
–
2.00E−01 EPA-I
2.00E−02 R369
D
EPA-I
4
As
1.50E+00
EPA-I
4.30E+00 EPA-I
3.00E−04 EPA-I
1.50E−05 R369
A
EPA-I
5
Ammonia-nitrogen
–
–
–
–
–
–
1.00E−01 EPA-I
NA
–
6
Cyanide
–
–
–
–
6.00E−04 EPA-I
8.00E−04 R369
D
EPA-I
386
5 Application Cases