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Environ Anal Health Toxicol > Volume 39:2024 > Article
Environmental Analysis Health and Toxicology 2024;39(2):e2024017-0. doi: https://doi.org/10.5620/eaht.2024017
Abundance, characterization, and health risk evaluation of microplastics in borehole water in Birnin Kebbi, Nigeria
Tajudeen Yahaya1 , Mutiyat Kehinde Adewale1 , Abdulgafar Bala Ibrahim1, Baliqees Abdulkadir1 , Chikelu Chinelo Emmanuela1 , Adamu Zainab Fari1 , Asiya Koko Attahiru1 , Joseph Dahali Wanda1
Corresponding Author: Tajudeen Yahaya ,Email: yahayatajudeen@gmail.com
Received: January 11, 2024;  Accepted: May 17, 2024.
Microplastic pollution has become a global menace, and water, being a major "sink" for pollutants, represents a significant source of human exposure. This study aimed to assess the safety of borehole water in Birnin Kebbi, Nigeria, specifically concerning microplastic pollution. Water samples were collected from boreholes in selected areas, including Bayan Kara, Malali, Rafin Atiku, Aliero Quarters, GwadanGaji, FUBK Takeoff Site, Kalgo Market, and Tarasa. Microplastics were extracted from the water samples through filtration using glass fiber filter papers, and were subsequently subjected to spectroscopy and microscopy to determine concentrations, shapes, and polymer types. Health risks associated with the microplastics were also calculated. The results revealed that the samples from Tarasa exhibited the highest concentrations of microplastics (96.967 particles/L), followed by Bayan Kara (92.70 particles/L), Rafin Atiku (92.33 particles/L), GwadanGwaji (92.30 particles/L), FUBK Takeoff Site (91.07 particles/L), Aliero Quarters (90.43 particles/L), Kalgo Market (88.00 particles/L), and Malali (86.40 particles/L). The most dominant shape was fibers (73 %), followed by fragments (16 %), foams (6 %), and filaments (5 %). Polyethylene and polyamide, in that order, were the most dominant polymers, while polystyrene was the least common. The majority of risk scores were classified as III. It can be inferred from the results that microplastic pollution in borehole water poses a health hazard in the city. Consumers of borehole water in the studied areas are advised to treat the water before consumption to mitigate potential health risks.
Keywords: Fibers, Health hazards, Microplastics, Polymers, Polyethylene
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