Environmental risk assessment of Saman cement factory in Kermanshah city of Iran by AHP and TOPSIS methods

The main objective of this study was to investigate the environmental risks of the Saman cement factory in Kermanshah city (Iran) using multi-criteria methods. This was a field and applied research that has been carried out with field visits to identify, categorize, and evaluate of the most important environmental risks of Saman cement factory by AHP and TOPSIS multi-criteria methods (2016). Firstly, the field of the factory visited and then produced four sets of questionnaires and distributed among the environmental experts in the factory and the environmental organization of Kermanshah province. After collecting the required information, data analysed through the relevant software. The results showed that physicochemical, biological, and socio-economic risks were the most significant and had priority. Finally the efficient strategies and suggestions have been presented to eliminate or reduce risk factors for human health and the surrounding environment.