Risk Assessment of Heavy Metals in Imported Frozen Fish Scomber scombrus Species Sold in Nigeria: A Case Study in Zaria Metropolis

Table 3

Individuals DIM and HRI response for heavy metals in muscle tissues of Scomber scombrus species.

Heavy metal	Range for; 12 batches (mg⋅kg^−1)	Mean ± SD (mg⋅kg^−1)	Individuals	DIM (mg⋅kg^−1day^−1)	HRI
Cd	0.400–9.00	2.284 ± 0.010	Adults (19 yrs and above)
			Children (7–18 yrs)
			Children (1–6 yrs)
Pb	2.00–21.750	11.188 ± 0.010	Adults (19 yrs and above)
			Children (7–18 yrs)
			Children (1–6 yrs)
Hg	50.300–99.350	74.546 ± 0.035	Adults (19 yrs and above)
			Children (7–18 yrs)
			Children (1–6 yrs)
Fe	6.040–59.160	16.663 ± 0.023	Adults (19 yrs and above)
			Children (7–18 yrs)
			Children (1–6 yrs)
Ni	1.350–11.800	7.492 ± 0.053	Adults (19 yrs and above)
			Children (7–18 yrs)
			Children (1–6 yrs)

yrs = years.