Kevin Omondi Ondoo

Evaluation of Selected Heavy Metals in Indoor Dust and Interior Painted Walls of Nursery Schools in Nairobi County, Kenya

Kevin Omondi Ondoo, Joel Klement Ogilo, Anam Ouma Onditi, Ali Mohammed Salim, Denis Magero & Antony M. S. Pembere · Chemical Science International Journal · 2023

School playgrounds found in painted environments have become death chambers for millions of innocent children who unknowingly ingest toxic metals. The objective of this study is to determine the levels of the heavy metals in paint chips from painted interior walls and indoor dust...

Open access Research Article 10.9734/CSJI/2023/v32i5861

Assessment of Selected Heavy Metals in Sediments from Ndambuk River, Busia County, Kenya

Denis Magero, Victor Meng’wa, Kevin Omondi Ondoo, Antony M. S. Pembere & Sammy Wanakai · Chemical Science International Journal · 2025

Anthropogenic activities have significantly contributed to soil and sediment pollution. Heavy metals are among the most common soil/sediment pollutants, owing to the fact that they easily get adsorbed on sediment surfaces and get carried from one ecosystem to another. This study...

Open access Research Article 10.9734/CSJI/2025/v34i1947

Assessment of Water Quality and Heavy Metal Pollution in River Ndambuk, Busia County, Kenya

Denis Magero, Victor Meng’wa, Kevin Omondi Ondoo, Antony M. S. Pembere & Sammy Wanakai · International Research Journal of Pure and Applied Chemistry · 2023

This study's objective is to determine how polluted the Ndambuk River in Busia County, Kenya, is with heavy metals and other physico-chemical parameters throughout both the dry and wet seasons. In every test point during the dry and wet seasons, turbidity was greater than the WHO...

Open access Research Article 10.9734/irjpac/2023/v24i5820