These disposal sites are developed with bottom sealing of disposal cells and the system for collection of leachate, waste is disposed according to an approved operation plan and access to them is controlled. The disposal site Trostenets was remediated after completion and landfill gas from this site is currently used for energy generation. It envisages implementation of extended producer responsibility for selected recyclables, development of economic measures supporting collection and processing of recyclables, and increasing demand for secondary materials.