TABLE 1.

Input values of ash from the sludge incinerator.

Parameter	Determined value	Unit of dry weight
Hg	0.02	mg kg–1
As	41.0	mg kg–1
Cd	7.64	mg kg–1
Ni	417	mg kg–1
Pb	146	mg kg–1
PAU	<0.1	mg kg–1
P	5.88	% (w/w)
S	1.22	% (w/w)
C	3.43	% (w/w)
H	0.36	% (w/w)
N	0.32	% (w/w)
NEL	<10.0	mg kg–1
TOC	0.86	% (w/w)
dry mass	98.0	% (w/w)

PAU, polyaromatic hydrocarbons; NEL, non-polar extractables; TOC, total organic carbon.