Contamination, exposure, and health risk assessment of Hg in Pakistan: A review

Rashid Sajid; Shah Izaz Ali; Tulcan Roberto Xavier SupeRashid WajidSillanpaa Mika

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Contamination, exposure, and health risk assessment of Hg in Pakistan: A review

机译：Contamination, exposure, and health risk assessment of Hg in Pakistan: A review

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Mercury is a highly toxic and highly mobile heavy metal. It has been regarded as more toxic than other nonessential and toxic nonradioactive heavy metals. Moreover, it has a high tendency of bioaccumulation and biomagnification in the ecosystem. This study aimed to assess the environmental and health risks related to Hg. Seventy studies related to Hg in environmental media, aquatic biota, and food stuffs across Pakistan were reviewed, and their concentrations were used for ecological and human health risk assessments. High concentrations of Hg were reported in the environment, with maximum concentrations of 72 mg L-1, 144 mg kg(-1), 887 mg kg(-1), and 49,807 ng m(-3) in surface water, surface soil, surface sediments, and urban atmosphere, respectively. The possible non-carcinogenic health risk (hazard quotient) of Hg was assessed in soil, water, and fish. High risks were calculated for seafood and vegetable consumption, while low risks were estimated for soils and groundwater ingestion and exposure. Overall, children showed higher risks than adults. Last, the risk quotient analysis (RQ) revealed significant risks for aquatic species. RQs showed that multiple species, especially those with smaller resilience, could face long-term detrimental impacts. High, medium, and low risks were calculated from 66.66, 16.17, and 16.17% of the reported Hg concentrations.

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来源
《Environmental Pollution》 |2022年第5期|118995.1-118995.14|共14页
作者
Rashid Sajid; Shah Izaz Ali; Tulcan Roberto Xavier SupeRashid WajidSillanpaa Mika;
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作者单位

Beijing Normal Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, 19 Xinjiekouwai St, Beijing 100875, Peoples R China;

Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China;

Univ Swat, Dept Environm & Conservat Sci, Swat 19130, PakistanUniv Johannesburg, Sch Min Met & Chem Engn, Dept Chem Engn, POB 17011, ZA-2028 Doornfontein, South Africa|King Saud Univ, Coll Sci, Chem Dept, Riyadh 11451, Saudi Arabia|Univ Kebangsaan Malaysia, Fac Sci & Technol, Dept Appl Phys, Bangi 43600, Selangor, M;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类
关键词
Bioaccumulation; Hazardous impacts; Biomagnification; Hg exposure;

Contamination, exposure, and health risk assessment of Hg in Pakistan: A review

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