Table 4.

Reference dose (R_fD) for different HMs.

S.N	HMs	RfD (µg kg−1 day−1)	Reference
1	Al	NA	–
2	Cr (total)	3	52
3	Mn	140	53
4	Co	NA	–
5	Ni	20	54
6	Cu	5	55
7	Zn	300	56
8	Cd	0.5	57
9	Pb	3.6	58

NA not available.