Element	Concentration (mg/kg)
Element	Fly ash A	Fly ash B	Washed ash A	Washed ash B
Ca	283,010	179,470	452,757	370,477
Cl	246,880	252,420	16,417	14,187
Si	47,910	38,280	248,967	172,450
Na	47,480	93,570	16,083	32,960
K	20,080	52,760	5320	5190
S	18,530	21,630	23,503	17,837
Zn	15,807	50,888	36,124	77,479
Mg	14,620	17,350	21,640	28,607
Al	9720	19,120	51,963	92,913
Fe	5360	7630	17,437	18,583
Cu	3601	3962	7185	6049
Pb	3575	11,136	3385	16,128
Ti	2750	6750	11343	22,183
P	2600	6260	15637	29,280
Sb	1750	9461	4939	14,482
Ba	461	1126	582	2690
F	370	570	913	1757
Cd	286	443	536	545
Mn	160	530	540	1230
Cr	158	251	326	421
Sr	153	283	245	366
Ni	70	61	147	88
As	24	74	23	107