Table 7.

Non-cancer health hazards faced by artisanal mine workers from exposure to As, Cd, Pb and Hg via oral ingestion and dermal contact of sediments from rivers in the study area.

Sampling Station	Location	Exposure Media	Non-Cancer Health Hazard (Hazard Quotient)
			As		Cd		Pb		Hg
			CTE	RME	CTE	RME	CTE	RME	CTE	RME
River Anikoko	Brakwaline	Oral	0.013	0.029	0.0002	0.005	0.032	0.098	0.026	0.042
		Dermal	0.980	1.240	0.005	0.010	0.011	0.025	0.12	0.21
River Abodwesh	Himan	Oral	0.007	0.021	0.0009	0.024	0.015	0.019	0.019	0.028
		Dermal	0.032	0.420	0.015	0.051	0.28	0.835	0.25	0.67
River Amenkume	Prestea	Oral	0.039	0.890	0.0021	0.071	0.045	0.88	0.010	0.045
		Dermal	0.017	0.063	0.0062	0.084	0.031	0.079	0.02	0.051
River Ankobra	Prestea	Oral	0.120	0.490	0.012	0.199	0.061	0.18	0.021	0.014
		Dermal	0.220	0.620	0.0025	0.054	0.071	0.088	0.002	0.072
River Dinyame	Himan	Oral	0.130	0.210	0.007	0.015	0.021	0.041	0.004	0.070
		Dermal	0.022	0.025	0.037	0.112	0.061	0.152	0.023	0.051
River Anofe	Anofe	Oral	0.042	0.814	0.0021	0.031	0.24	0.48	0.090	0.54
		Dermal	0.350	0.460	0.012	0.042	0.031	0.062	0.010	0.58
River Worawora	Dumase	Oral	0.037	0.260	0.0051	0.085	0.75	0.92	0.011	0.078
		Dermal	0.076	0.980	0.011	0.21	0.074	0.251	0.073	0.094
River Benyan	Dumase	Oral	0.220	0.620	0.0025	0.054	0.071	0.088	0.002	0.072
		Dermal	0.130	0.210	0.007	0.015	0.021	0.041	0.004	0.070
River mansi	Dumase	Oral	0.022	0.025	0.037	0.112	0.061	0.152	0.023	0.051
		Dermal	0.042	0.814	0.0021	0.031	0.240	0.48	0.090	0.540