Table 3: Rounding inconsistency analysis for mathematical RfDos and RfCis with 5 as a last decimal figure.
Mathematical RfD_{o} decimal value considered 


number of chemicals without rounding 
number of chemicals rounded up 
(Absolute) arithmetic rounding mean (%) 
number of chemicals rounded down 
(Absolute) arithmetic rounding mean (%) 

X.5 (e.g., 0.5)

25

19

19.63 
1 
14.29 
X.X5 (e.g., 2.15)

0

8 
3.57 
5 
10.70 


Mathematical RfC_{i} decimal value considered 


number of chemicals without rounding 
number of chemicals rounded up 
(Absolute) arithmetic rounding mean (%) 
number of chemicals rounded down 
(Absolute) arithmetic rounding mean (%) 

X.5 (e.g., 0.5)

0 
4 
10.51 
0 
 
X.X5 (e.g., 2.15)

0 
0 
 
0 
 