Journal of Toxicology

Research Article

Potential Toxic Metal Concentration and Risk Assessment in Agricultural Soil and Lentil Crop (Lens culinaris Medik) in Dawunt Woreda, Northwest Wollo, Ethiopia

Table 4

The values of cancer and noncancer risk indicator parameters for adults and children.


Noncancer risk
	Adult					Children
	Soil			Lentil	SL	Soil			Lentil	SL
PTEs

Fe	0.000715	0.00061	0.001274	0.000355	0.002954	0.0011	0.000346	0.010308	0.000479	0.012233
Cu	2.41E − 07	0.000219	0.001648	0.000704	0.002572	3.71E − 07	0.000125	0.01334	0.00095	0.014414
Mn	0.000336	0.000709	0.000696	0.001018	0.002759	0.000517	0.000403	0.005631	0.001373	0.007925
Pb	1.26E − 07	0.00023	0.000863	0.001275	0.002368	1.94E − 07	0.00013	0.006983	0.00172	0.008833
Cr	0.000585	0.090791	0.037924	0.001895	0.131194	0.0009	0.051565	0.306933	0.002556	0.361953
Cd	3.67E − 06	0.099605	0.024964	0.001236	0.125808	5.65E − 06	0.056571	0.20204	0.001667	0.260284
Co	0.000141	1.36E − 05	0.000273	0.000185	0.000613	0.000216	7.74E − 06	0.002211	0.00025	0.002685
HI	0.001781	0.192177	0.067642	0.006668	0.268268	0.002739	0.109148	0.547446	0.008995	0.668328

Cancer risk
PTEs

Pb	1.64E − 14	1.56E − 08	3.9E − 07	5.77E − 07	9.83E − 07	6.3E − 16	1.77E − 09	6.32E − 07	1.56E − 07	7.89E − 07
Cr	9.27E − 11	4.19E − 05	2.63E − 05	1.31E − 06	6.95E − 05	1.99E − 10	4.76E − 06	4.25E − 05	3.54E − 07	4.76E − 05
Cd	3.05E − 12	1.18E − 05	7.37E − 06	3.65E − 07	1.95E − 05	9.38E − 13	1.34E − 06	1.19E − 05	9.85E − 08	1.34E − 05
TCR	9.57E − 11	5.37E − 05	3.4E − 05	2.25E − 06	9E − 05	2E − 10	6.1E − 06	5.51E − 05	6.08E − 07	6.18E − 05

The bold font indicates the overall values of HI and TCR. , hazard quotient for inhalation; , hazard quotient for dermal contact; , hazard quotient for ingestion; , hazard quotient for lentil ingestion; , hazard quotient for inhalation; , hazard quotient for dermal contact; , hazard quotient for ingestion; hazard quotient for lentil ingestion; , hazard index for each metal from soil and lentil sample; HI, hazard index for all metal in each exposure route; , hazard index for each metal from soil and lentil sample; TCR, hazard index for all metal in each exposure route.