(22)Preventing and reducing emission of pollutants in the end-of-life phase of products, and the cleaning-up of existing pollution, have a significant potential to protect the environment from pollution and to improve the state of the environment. Technical screening criteria should therefore be established for the collection, transport and treatment of hazardous waste which poses a greater risk to the environment and human health than non-hazardous waste, as well as for remediation of non-conforming landfills and abandoned or illegal waste dumps and of contaminated sites and areas.