Evaluation of HSE risks in the process of collecting and transferring urban solid waste (Case study of Tehran's 5th and 22nd districts

Waste materials are produced as a result of human activity and work. Population growth and rising living standards increase the quantity of these substances. In other words, solid waste is an integral part of human life. The growth of technology and more use of natural resources and energy conversion has increased the size and complexity of solid waste production. These wastes must somehow move away from human habitation or re-enter the material and energy cycle. Today, irrational disposal of waste in addition to many disorders of the ecosystem and the emergence of many dangers in the world. Therefore, it is appropriate to take basic steps in this field to protect the environment and reduce economic losses.

 In this study, to achieve general and specific goals, the information collected in the two sections was information related to experts and residents of the two areas of Tehran.

First, Excel software was used to store and analyze information. In this way, the data were entered into Excel software and analyzed, and finally displayed in the form of tables and graphs by regions, and then the criteria and sub-criteria set by experts that the data were collected through a questionnaire. It has been analyzed using super decisions software.

The risk assessment form examines three criteria of environmental, safety, and health in two regions 5 and 22, each of which is effective in terms of safety, health, and the environment with weights in both regions 5 and region 22 of Tehran. The main environmental criteria in Zone 5 and the main safety criteria in Zone 22 are the high weight. Risk assessment form (HAZID method) is the environmental criterion of region 5, the highest risk number with 540 is related to dredging activity, washing elements, sweeping, administrative affairs.