Analysis of Bio-Obtainable Endocrine Disrupting Metals in River Water and Sediment, Sewage Influent/Effluent, Sludge, Leachate, and Concentrated Leachate, in the Irish Midlands Shannon Catchment

Table 4

Metal content in leachate sediment in the Irish Midlands Region (mg/kg_dw) over a six-month period, 2004-2005.

Metal	Site no.	Sediment concentration (mg/kg)
		Nov	Dec	Jan	Feb	Mar	Apr	Grand mean % RSD (each run performed in triplicate)
Ni	6	31	31	30	23	23	21	3.3
	7	25	26	26	32	32	23	4.1
Mn	6	229	179	98	31	40	158	1.9
	7	50	755	815	404	104	332	2.7
Cd	6	2	13	21	25	30	15	6.3
	7	<1	17	24	27	33	17	9.1
Zn	6	81	230	147	139	209	191	0.5
	7	87	143	94	78	190	123	0.5
Co	6	27	22	18	16	16	10	3.5
	7	6	21	21	16	20	12	4.1
Pb	6	3525	1375	1375	1225	1475	550	2.3
	7	146	260	242	140	268	220	2.4
Cr	6	125	44	26	24	31	11	5.8
	7	48	44	38	24	41	10	7.1
Cu	6	50	40	22	26	30	24	1.6
	7	13	19	11	7	29	12	2.1