Table 2.

The chronic Hazard Quotient (HQ) and excess life cancer risk (ILCR) of heavy metals in Karaj city

Trace Element	Children		Adult
	HQ	ILCR	HQ	ILCR
AL	0.024	3.91E-06	0.39	1.56E-05
Mn	0.03	1.17E-05	0.82	4.74E-05
As	0.76	4.92E-05	0.30	1.97E-06
Cd	6.61	1.19E-04	0.28	4.81E-04
Cr	0.77	6.52E-05	0.31	2.66E-06
Ni	2.57	8.63E-06	0.267	2.77E-6
Pb	-	1.86E-06	-	7.47E-06