This Directive has been enacted to amend certain provisions laid down in Directive 45/439/EEC which makes rules on the disposal of waste oils. First, articles 1 to 6 of that Directive shall be replaced by the provisions contained in article 1 hereto. Waste oils is hereby defined as any mineral-based lubrication or industrial oils which have become unfit for the use for which they were originally intended, and in particular used combustion engine oils and gearbox oils, and also mineral lubricating oils, oils for turbines and hydraulic oils. Further, a new article 10 is inserted. In accordance with this new provision, during storage and collection, holders and collectors must not mix waste oils with PCBs and PCTs within the meaning of Directive 76/403/EEC, nor with toxic and dangerous waste within the meaning of Directive 78/319/EEC. Lastly, an Annex setting out emission limit values for certain substances emitted as a result of the combustion of waste oils in plants with a termal input of 3 MW (LHV) or more is added.