Variations of the Physicochemical Parameters and Metal Levels and Their Risk Assessment in Urbanized Bagmati River, Kathmandu, Nepal

Table 5

Reference dose and hazard quotient for each element.

Elements
Li	20	10	Max
			Min
			Mean
V	1	0.01	Max
			Min
			Mean
Mn	20	0.8	Max
			Min
			Mean
Cr	3	0.015	Max
			Min
			Mean
Co	0.3	0.0003	Max
			Min
			Mean
Ni	20	5.4	Max
			Min
			Mean
Cu	40	12	Max
			Min
			Mean
Zn	300	60	Max
			Min
			Mean
Mo	5	1.9	Max
			Min
			Mean
Cd	0.5	0.005	Max
			Min
			Mean
Sb	0.4	0.008	Max
			Min
			Mean