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Francis Ongachi Olal

Observed names: Francis O. Olal, Francis Olal Ongachi
ORCID: 0000-0003-4928-5310
Observed ORCID: 0000-0003-4928-5310
OpenAlex ID: A5008847082
Biosorption of Selected Heavy Metals Using Green Algae, Spirogyra Species
2016 · Francis Ongachi Olal · 7
Creative Designing of Fabric Patterns by Tie-Dyeing with Synthetic Dyes
2020 · Nelima Barasa, Francis Ongachi Olal · International Journal of Innovative Research and Development · 5
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Effects of Seasonal Variation on Performance of Conventional Wastewater Treatment System
2021 · Francis Ongachi Olal · Journal of environment and earth science · 3
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Assessment of the Impact of Urban Runoff from Migori Town on the Concentration Levels of Selected Heavy Metals in Migori River, Kenya
2015 · Francis Ongachi Olal · Journals & Books Hosting (International Knowledge Sharing Platform) · 2
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Presence of Illicit Drug Metabolites in the Influent of a Wastewater Treatment Plant in Eldoret, Kenya
2025 · John Kevine Ochieng, Francis Ongachi Olal, et al. · International Research Journal of Rongo University · 1
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A Review of Quality of Roof-harvested Rainwater in Urban Areas
2023 · Boniface Ogolla, Francis Ongachi Olal · Book Publisher International (a part of SCIENCEDOMAIN International) · 1
Physicochemical and Microbiological Quality of Roof-harvested Rainwater in Urban Areas: A Review
2022 · Boniface Ogolla, Francis Ongachi Olal · Journal of environment and earth science · 1
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Seasonal Variations in Physicochemical Properties of Water Quality of Sosiani River -Eldoret, Kenya
2020 · Francis Ongachi Olal · International Journal of Innovative Research and Development · 1
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Health Effects of Pesticide Exposure among Formulators, Repackers and Store Workers in Nairobi, Kenya
2017 · Wilfred G Wambugu, Francis Ongachi Olal, et al. · Journals & Books Hosting (International Knowledge Sharing Platform) · 1
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Application of Artificial Intelligence in Detection and Remediation of Heavy Metals in Contaminated Water and Soils in Africa -A Systematic Review
2026 · John Kevine Ochieng, Edward Anino, et al. · Journal of Science Innovation and Creativity
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Determination of Some Heavy Metals in Selected Edible Vegetables Grown Along River Owade in Oyugis Area, Homa Bay County, Kenya
2025 · Francis Ongachi Olal · Journal of Science Innovation and Creativity
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Effects of Rainfall Variability on Maize Production in Migori County, Kenya
2024 · Augustine W. Ochola, Daniel O. Nyamai, et al. · Journal of Science Innovation and Creativity
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Effect of Waste Dump Site on Ground Water Quality in Huruma Estate, Eldoret, Kenya
2023 · Francis Ongachi Olal · International Research Journal of Rongo University
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Determination of Heavy Metal Levels in Surface Waters and Sediments of River Riana, Kisii County, Kenya
2023 · Thomas Momanyi Mong'are, John Justo Ambuchi, et al. · International Research Journal of Rongo University
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Contamination of Underground Water by Heavy Metals: A Case Study of Boreholes around Sony Sugar Factory, Awendo
2021 · John Kevine Ochieng, Francis Ongachi Olal · International Journal of Science and Research (IJSR)
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Re-usable Cloth Facemasks in the Covid-19 Era
2020 · Francis Ongachi Olal, Phoebe Owiti, et al. · International Journal of Innovative Research and Development
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Determination of Some Selected Heavy Metals in Fish and Water Samples from a Section of Migori River
2017 · Francis Ongachi Olal · Journals & Books Hosting (International Knowledge Sharing Platform)
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Assessment of the Impact of Anthropogenic Activities on the Drinking Water Qualities of Boreholes/Shallows Well Water in Huruma Estate -Eldoret, Kenya
2016 · Francis Ongachi Olal, Moses Nyamolo · Journals & Books Hosting (International Knowledge Sharing Platform)
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Heavy Metals in Edible Vegetables Grown Around Sewage Ponds and Damp Site in Eldoret Town, Kenya
2016 · Francis Ongachi Olal · Journals & Books Hosting (International Knowledge Sharing Platform)
Works count: 19
Citation count: 22
H-index: 3
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