Exploring Health Hazards from Toxic Elements in Well Water Samples Within Prism Steel Rolling Mill, Ikirun, Osun State, Nigeria
Student: Temitope Elizabeth Ogunsile (Project, 2025)
Department of Applied Chemistry
Osun State Polytechnic, Iree, Osun State
Abstract
The Prism steel rolling mill, Ikirun, Osun State may contaminate well water, the area’s main potable water source. This necessitated assessment of physical and chemical properties and possibly hazardous elements in well water samples. Standard methods and Atomic Absorption Spectrometry (AAS) were used to analyze physicochemical status and Potentially Toxic Element concentrations (Cd, Cr, Ni, Pb, Zn) in ten well water samples. Physicochemical parameters ranged as follows: pH 6.64 – 7.38, Temperature 27.2 – 29.2°C, Total Dissolved Solids (TDS) 0.99 – 1.60 mg L-1 , Dissolved Oxygen (DO) 1.05-1.65 mg L-1 . Heavy metal concentrations decreased in order Cd > Ni > Zn > Cr, with ranges: Cd 0.04 – 0.31 mg L -1 , Cr 0.09 – 0.67 mg L -1 , Zn ND – 0.04 mg L -1 , Ni ND – 0.16 mg L -1 . Pb was below detection limits. Non-carcinogenic risk assessment indicated potential adverse health effects and unacceptable risks for local inhabitants from well water consumption. However, carcinogenic risk assessment showed no cancer risk. Keywords: Waste Contamination, Heavy Metals, Human Health Hazard, well water contaminated
Keywords
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- Covenant Polytechnic, Aba, Abia State 1
- Covenant University, Canaan Land, Ota, Ogun State 4
- Crawford University of Apostolic Faith Mission Faith City, Igbesa, Ogun State 2
- Crescent University, Abeokuta, Ogun State 1
- Cross Rivers University of Technology, Calabar, Cross Rivers State 142
- Delta State Polytechnic, Ogwashi-Uku, Delta State 11
- Delta State Polytechnic, Otefe, Delta State 13
- Delta State University, Abraka, Delta State 139
- Ebonyi State University, Abakaliki, Ebonyi State 17
- Edo University, Iyamho, Edo State 10