hazardous substancemeans a substance classified as hazardous as a consequence of fulfilling the criteria laid down in parts 2 to 5 of Annex I to Regulation (EC) No 1272/2008;
heavy metalmeans any compound of antimony, arsenic, cadmium, chromium (VI), copper, lead, mercury, nickel, selenium, tellurium, thallium and tin, as well as these materials in metallic form, as far as these are classified as hazardous substances;
partly stabilised wastesmeans wastes containing, after the stabilisation process, hazardous constituents which have not been changed completely into non-hazardous constituents and could be released into the environment in the short, middle or long term.
polychlorinated biphenyls and polychlorinated terphenyls(‘PCBs’) means PCBs as defined in Article 2(a) of Council Directive 96/59/EC;
solidificationmeans processes which only change the physical state of the waste by using additives without changing the chemical properties of the waste;
stabilisationmeans processes which change the hazardousness of the constituents in the waste and transform hazardous waste into non-hazardous waste;
transition metalsmeans any of the following metals: any compound of scandium, vanadium, manganese, cobalt, copper, yttrium, niobium, hafnium, tungsten, titanium, chromium, iron, nickel, zinc, zirconium, molybdenum and tantalum, as well as these materials in metallic form, as far as these are classified as hazardous substances;