Skip to main content
. 2024 Mar 30;14:7552. doi: 10.1038/s41598-024-58117-4

Table 3.

Corresponding reference dose (RfD) and slope factors (SF) values of heavy metals in soils in health risk assessment model with Mote Carlo simulator.

Elements RfD (mg·(kg day)−1) SF ((kg day) mg−1) References
Ingestion Inhalation Dermal Ingestion Inhalation Dermal
As 3.00E − 04 1.23E − 04 1.23E − 04 1.5E + 00 1.51E + 00 3.66E + 00 33
Cd 1.00E − 03 1.00E − 05 1.00E − 05 6.1E + 00 6.30E + 00 33
Cu 4.00E − 02 4.02E − 02 1.20E − 02 34
Cr 3.00E − 03 2.86E − 05 6.00E − 05 8.50E − 03 4.20E + 00 33
Hg 3.00E − 04 8.57E − 05 2.10E − 05 32
Ni 2.00E − 02 2.06E − 02 5.40E − 03 8.4E − 01 33
Pb 3.50E − 03 3.52E − 03 5.25E − 04 8.50E − 03e 34
Zn 3.00E − 01 3.00E − 01 6.00E − 02 34

- data not available.