Risk assessment of suspended particles using EFMEA technique and TOPSIS method in District 9 of Tehran Municipality

The importance of inhaling the clean air becomes more visible today. In the open air, a number of pollutants are considered as standard pollutants, one of which is particulate matter. The aim of this study was to study the environmental aspects of suspended particles in Tehran Municipality 9th district.

In this research, firstly, by referring to the municipality of district 9 and receiving the region information, the activities of the indicator of the producer of suspended particles were identified. Potential damage caused by these activities was identified and given the probability of occurrence, the power of diagnosis and severity of impact on the environment are classified.  

 7 activities were identified and for each activity 17 environmental consequences were identified from the EFMEA method. Of the 17 identified risks, 4 risks include lung disease, cardiovascular disease, digestive diseases and skin diseases that have the highest severity and ranked first to fourth and accounted for 2 risk accidents and driving disorder Traffic signs have the least impact intensity and ranked 16th and 17th ranked TOPSIS. Based on the EFMEA technique, pulmonary diseases with 524 and heart disease with 423 numbers have the highest risk numbers and misdiagnosis of driving tips with 50 and driving accidents with a 52-point risk factor.  

Regarding the risk assessment in this study, it was revealed that 2 risks of pulmonary disease and heart disease have the greatest impact on the general health of the people in the region and by reducing the environmental risks of the area by taking some control measures.