This section has no associated Explanatory Notes
8E+WThe material in Group 4 comprises only—
(a)vitrified wastes and residues from the thermal processing of minerals where the wastes or residues are both fused and insoluble;
(b)slag from waste incineration.
Commencement Information
I1Sch. 1 para. 8 in force at 1.4.2018 by S.I. 2018/35, art. 3