This research work attempts to compare the legal and technical criteria of locating household
and municipal landfills and discuss them along with legal and technical principles. For this purpose, it was attempted to discuss and compare the related most important national an international standards. Due to say, employing the legal standards of locating household and municipal landfills in corporation with managerial decision making is considered as the most significant issues. Thus, selection of evaluation legal methods of and weighting the criteria of locating the landfills were technically investigated. The main landfill location of Tehran (Kahrizak) was investigated in order to analyze the analytical hierarchical process of its impacts resulted from environmental problems along with the legal aspects of the main landfill site’s by the means of Delphi, AHP and Expert Choice techniques, in conflict with the rules adopted from waste act, enacted executive guidelines and content of the published references on Guidelines of Department of the Environment.
Ultimately, regarding the questionnaires, recommendations of the learnt and through the items resulted from investigation and analysis of hierarchical process; the following 4 conclusions were achieved: 1) Education and discipline of people as well as the authorities who enforce the rules; 2) Investigation and amendment of Waste Management Act clauses; 3) Receiving the costs of waste management from waste producers and 4) Setting up waste exchange market to utilize the wastes economically. Considering the results “investigation and amendment of Waste Management Act clauses” was selected and recommended as the best option. As a result of
further technical investigations on the Waste Management Act, the necessity of employing the criteria of impact evaluation in amending the clauses of Waste Management Act was also recommended.