1. At development of designs on building the new and reconstruction of the operating TPPs, it is necessary to dispose the unclaimed part of ash and slag at dry ash landfills.
  2. Technologies of ash and slag landfilling shouldn't lead to degradation of their consumer properties.
  3. There should be minimum environmental impact of ash and slag landfills.
  4. It’s possible to use ash and slag for restoration of open-cast mines and land planning for the purpose of ravine backfilling and inarable land restoration, under condition of monitoring the quality of underground and surface waters in places of their arrangement.