How efficient is the detoxification of Ash2Phos; what are the reduction of heavy metals?

The Ash2Phos process can reduce more than 96% of the heavy metals. The figure below show the compilation of the reduction rate (mg/kg PCP) of heavy metals from the Ahs2Phos process.

		Recovered P	Ash	% Reduction
As	mg/kg	1,5	34,6	96
Cd	mg/kg	0,1	5,5	98
Co	mg/kg	0,7	32,4	98
Cr	mg/kg	1,7	232	99
Cu	mg/kg	5,5	1756	100
Fe	mg/kg	1340	202826	99
Hg	mg/kg	-	0,0526	100
Pb	mg/kg	3,6	344	99
Zn	mg/kg	45,9	6780	99
Ni	mg/kg	2,6	164,6	98