S. Naghdi, M. Mirmohammadi, H. Karimzadegan, J. Ghodusi
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引用次数: 0
Abstract
Automotive operations and manufacturing produce a lot of airborne particulate matter. Heavy metal-laden particulate matter may harm humans and the environment. This study examines the relationship between heavy metals and suspended particles in the automotive industry and assesses heavy metal risk. Using the OSHA125G guidelines, the measurement of particles and their analysis using fiberglass membrane filters and the acid digestion method in 15 points around the automotive industries of Region 21 in two hot and cold seasons was done 24 h a day, and finally, the contribution of heavy metals to the amount of suspended particles in the area was checked. In this study, the average concentration of total metals in the hot and cold seasons was 38 and 57 ng/m3, respectively. Also, the total concentration of suspended particles in summer is about 10% higher than its concentration in winter, and the reason for this can be the entry of suspended particles by local winds into the areas of Tehran. The highest and lowest incidences of cancer in the resident group are related to lead and nickel. Also, both groups of residents and workers are immune from non-carcinogenic risks. A study has shown that the amount of heavy metals in the atmosphere around the world is higher in the winter than in the summer. It is possible to claim that man-made activities, particularly automotive ones, were the origin of heavy metals other than nickel in the winter.
期刊介绍：
International Journal of Environmental Science and Technology (IJEST) is an international scholarly refereed research journal which aims to promote the theory and practice of environmental science and technology, innovation, engineering and management.
A broad outline of the journal''s scope includes: peer reviewed original research articles, case and technical reports, reviews and analyses papers, short communications and notes to the editor, in interdisciplinary information on the practice and status of research in environmental science and technology, both natural and man made.
The main aspects of research areas include, but are not exclusive to; environmental chemistry and biology, environments pollution control and abatement technology, transport and fate of pollutants in the environment, concentrations and dispersion of wastes in air, water, and soil, point and non-point sources pollution, heavy metals and organic compounds in the environment, atmospheric pollutants and trace gases, solid and hazardous waste management; soil biodegradation and bioremediation of contaminated sites; environmental impact assessment, industrial ecology, ecological and human risk assessment; improved energy management and auditing efficiency and environmental standards and criteria.
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