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Journal of Advances in Environmental Health Research، جلد ۸، شماره ۳، صفحات ۲۲۵-۲۳۳
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عنوان انگلیسی The concentration and health risk assessment of heavy metals and microorganisms in the groundwater of Lagos, Southwest Nigeria
چکیده انگلیسی مقاله Contaminated water is increasingly linked to diseases worldwide, necessitating the safety evaluation of the sources of domestic and drinking water in every locality. The present study aimed to assess water safety in terms of lead (Pb), nickel (Ni), cadmium (Cd), copper (Cu), chromium (Cr), zinc (Zn), and microorganisms in the borehole and well water in Iwaya, Makoko, and Ilaje in Lagos, Nigeria. Water samples were subjected to atomic absorption spectroscopy (AAS) and microbiological examinations using standard protocols and compared with the World Health Organization (WHO) permissible limits. The average daily ingestion (ADI) and hazard quotient (HQ) of the selected heavy metals were also calculated using standard formulas. The AAS indicated that the borehole and well water of the three locations contained non-permissible levels of Pb, Ni, and Cd (only the well water in Ilaje), while Zn, Cu, and Cr were normal. In addition, the microbiological examinations showed that the borehole and well water of the three locations contained abnormal bacteria and coliform counts (well water only). The ADI and HQ of the selected heavy metals were less than one, which is the threshold at which a substance is considered safe for consumption. Water could pose some health risks, and the consumers in high-risk areas should consider water treatment before consumption.
کلیدواژه‌های انگلیسی مقاله Average Daily Ingestion,Bacteria,Boreholes,Hazard Quotient,Lead
نویسندگان مقاله Tajudeen O. Yahaya |
Department of Biology, Federal University Birnin Kebbi, P.M.B 1157, Birnin Kebbi, Nigeria

Esther O. Oladele |
Biology Unit, Distance Learning Institute, University of Lagos, Nigeria

Itunuoluwa A. Fatodu |
Department of Environmental Science and Toxicology, National Open University of Nigeria, Lagos

Abdulmalik Abdulazeez |
Department of Biology, Federal University Birnin Kebbi, P.M.B 1157, Birnin Kebbi, Nigeria

Yusuf I. Yeldu |
Department of Biology, Federal University Birnin Kebbi, P.M.B 1157, Birnin Kebbi, Nigeria

نشانی اینترنتی https://jaehr.muk.ac.ir/article_120364_11e926aaa9cba58b1d010bd713356ee5.pdf
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