Manganese, Iron, Lead, and Zinc Levels and Haematological Profile among Welders in Bibiani Anhwiaso Bekwai District, Ghana

Table 2

Heavy metals profile of welders compared to the control.

Parameter	Heavy metals		WHO reference range	value
	Non-welders (control)	Welders
Mn (mg/L)	0.23	0.53	16–26 mg/L	0.431
Pb (mg/L)	0.3	0.09	0.99 mg/L	0.016
Zn (mg/L)	0.15	0.41	800–1200 mg/L	0.050
Fe (mg/L)	1.11	1.82	(6–200) × 10^−6 mg/L	0.886

[23].