Table 2.

Metal concentrations of the MW bottom ashes.

	MWBA I	MWBA II	MWBA III		MWBA I	MWBA II	MWBA III
	(g kg−1)				(mg kg−1)
Al	36.42	62.90	54.63	Ag	24.24	21.43	27.36
Ba	2.09	1.69	2.08	As	22.06	39.18	34.27
Ca	97.63	185.76	182.92	Bi	1.10	<1	0.87
Cu	1.16	1.45	1.26	Cd	<1	<1	<1
Fe	47.51	52.75	44.63	Co	36.34	49.87	35.77
K	8.51	6.79	6.73	Cr	895.37	515.19	916.50
Mg	15.18	19.24	17.03	Ga	154.42	306.17	282.90
Mn	0.53	1.50	1.25	Li	50.75	76.26	88.90
Na	13.07	15.16	16.84	Ni	667.31	500.49	519.32
Pb	0.33	0.07	0.24	Sb	<1	<1	<1
Ti	7.10	15.50	7.57	Sn	368.47	405.91	375.39
Zn	8.43	12.70	13.72	Sr	163.88	165.10	144.76

All data are the average of three triplicate samples.