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A Review on the Status of Mercury Pollution in Pakistan: Sources and Impacts TEXT SIZE: A A A
Mercury (Hg) contamination in environmental matrices and associated human exposure has been recognized as a critical long-lasting issue worldwide. However, studies are still elusive that summarized the overall status of Hg pollution and its impacts on public health in Pakistan. Hence, this review encompasses the environmental prevalence, potential sources, and human exposure tendencies to Hg contamination in Pakistan. Reviewed literature revealed jolting levels of Hg in various environmental samples, such as dust, soil, water, and air collected from the residential and industrial areas. Inhalation of Hg via dust particle was identified as the primary pathway for human exposure, while atmospheric deposition and gold mining are identified as the two primary sources of Hg contamination in the environment. Considering human exposure, the highest bioaccumulation of Hg was ranged from 5885 to 8698 mu g/kg in hair samples collected from the residents of the Kashmir Valley, Pakistan. However, in the lower Himalayan regions, including Islamabad and Swabi, the concentration of Hg in hair samples was reported at 1085 mu g/kg, slightly beyond WHO devised reference dose (RfD) of Hg (1000 mu g/kg). This review revealed the worst scenario of Hg contamination in human biomatrices and environmental compartments in Pakistan, which needed immediate rehabilitation measures.
 

Publication name

 ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, 76 (4):519-527; 10.1007/s00244-019-00613-0 MAY 2019

Author(s)

 Ali, Waqar; Junaid, Muhammad; Aslam, Muhammad Wajahat; Ali, Kamran; Rasool, Atta; Zhang, Hua

Corresponding author(s) 

 ZHANG Hua 
 zhanghua@mail.gyig.ac.cn  
 Chinese Acad Sci, State Key Lab Environm Geochem, Inst Geochem, Guiyang 550081, Guizhou, Peoples R China. 

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