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. 2020 Apr 17;6(4):e03732. doi: 10.1016/j.heliyon.2020.e03732

Table 2.

Oral and Dermal Reference dose (Rfd) for no-carcinogenic and cancer slope factor (CSF).

Metal Oral Rfd Dermal Rfd CSF oral CSF dermal
Pb 0.0035(c) 0.0005(a) 0.0085(a) -
Cd 0.001(c) 0.00005(c) 0.38(b) -
As 0.0003(c) 0.00012(c) 1.5(a) 1.5(a)

(a) = RAIS (2013) Risk assessment information system.

(c) = AERIS Software Inc., 1991.