Monitoring of the changes in potential environmental risk of some heavy metals in water and sediments of Burullus Lake, Egypt

Bulletin of the National Research Centre

Table 15 Ecological risk factor 2012

Site	Zn μg/g	Cu μg/g	Ni μg/g	Cr μg/g	Pb μg/g	Cd μg/g	RI
1	1.11	5.00	1.85	1.20	3.08	1.00	13.23
2	0.57	3.89	1.54	0.93	3.58	10.00	20.51
3	0.46	2.78	1.06	0.51	2.40	11.00	18.21
4	0.72	5.67	1.99	0.71	4.73	51.00	64.80
5	2.00	2.89	1.06	0.78	3.83	20.00	30.55
6	0.69	2.78	1.06	0.80	2.80	30.00	38.13
7	1.06	2.89	1.10	0.84	1.40	10.00	17.30
8	0.61	3.33	1.37	0.91	2.58	20.00	28.80
9	1.04	3.00	1.15	0.80	2.48	56.00	64.46
10	0.54	2.22	1.19	0.58	0.88	30.00	35.40
11	0.81	7.22	2.69	2.11	5.05	0.10	17.99
12	0.93	2.67	1.15	0.71	4.13	10.00	19.58