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2 μg/m3) due to the disassembling of lead acid batteries. Al, Zn, Fe, and Cr also revealed higher concentration in air samples and exhibited a declining trend as Si Fe Al Pb Zn Cr Ca Mg Ti K S. However, the highest concentration of Fe (865.7 μg/m3) was detected in air samples of iron extraction sites besides Al and Zn. The descending order of trace elements contribution was Si Fe Al Zn Mg K Ca Ti S. Furthermore, the correlation between w