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 10 The concentration of heavy metals of EL-Burullus Lagoon during periods of 2010, 2012, and 2015

H.M	Date	S1	S2	S3	S4	S5	S6	S7	S8	S9	S10	S11	S12	Means μg/g
Fe μg/g	2010	29264	9595	15232	32023	10500	22921	25256	16249	18265	16656	28245	19258	20289
	2012	25252	9658	18562	27562	8541	18652	28560	14235	12423	122	225623	156254	45454
	2015	25264	8695	10232	29023	7500	18921	20256	16245	15265	16656	26245	16258	17547
Mn μg/g	2010	3580	665	864	2545	755	752	1902	1860	1056	986	2352	1260	1548
	2012	1124	659	898	1012	852	1312	1021	869	302	569	1002	969	882
	2015	1580	365	564	1645	355	752	1002	960	856	986	1352	960	948
Zn μg/g	2010	88	56	49	108	55	59	56	45	99	52	104	59	69
	2012	105	54	44	68	190	66	101	58	99	51	77	88	83
	2015	58	36	42	78	35	55	56	45	49	52	47	39	49
Cu μg/g	2010	80	25	22	80	25	35	42	41	24	26	71	29	42
	2012	45	35	25	51	26	25	26	30	27	20	65	24	33
	2015	52	19	18	59	15	25	32	25	24	26	45	21	30
Ni μg/g	2010	65	39	33	78	40	55	65	39	39	36	71	45	50
	2012	42	35	24	45	24	24	25	31	26	27	61	26	33
	2015	44	29	33	52	22	35	45	29	30	25	49	35	36
Cr μg/g	2010	142	40	36	144	35	75	85	56	46	49	90	45	70
	2012	54	42	23	32	35	36	38	41	36	26	95	32	41
	2015	75	35	36	77	25	55	56	35	38	40	66	35	48
Pb μg/g	2010	9	11	9	10	10	8	5	9	8	8	10	5	9
	2012	12.3	14.3	9.6	18.9	15.3	11.2	5.6	10.3	9.9	3.5	20.2	16.5	12
	2015	22	42	26	42	19	25	33	35	26	34	41	32	31
Cd μg/g	2010	1.6	1.3	1.2	4.3	1.7	2.2	3.2	1.5	1.8	1.6	3.3	1.2	2
	2012	0.01	0.1	0.11	0.51	0.2	0.3	0.1	0.2	0.56	0.3	0.001	0.1	0.21
	2015	0.12	0.1	0.11	0.5	0.1	0.2	0.3	0.1	0.2	0.11	0.3	0.11	0.19