Polycyclic aromatic hydrocarbons in harvested rainwater in Warri and Agbarho, Nigeria

ABSTRACT. The aim of this research was to provide an overview current knowledge, by assessing the possible contamination sources harvested rainwater polycyclic aromatic hydrocarbons (PAHs), its effects and human health risk assessment. Random sampling technique used collect eight samples from different roofing materials made (asbestos, zinc, aluminium thatch) in Warri Agbarho (AGB). were extracted using a liquid-liquid extraction (LLE) system according established procedures United States Environmental Public Agency (USEPA). Under optimized conditions, ranges recoveries solid-phase (SPE) clean-up PAHs range 71-90%. Gas chromatography-mass spectrometry (GC-MS) for determination sixteen priority samples. total concentration each roof types Refinery Petrochemical Company (WRPC) are: 0.036±0.012, 0.047±0.020, 0.045±0.018 0.0023±0.008 ppm aluminium, asbestos thatch roof, respectively. In addition, AGB 0.046±0.020, 0.024±0.009, 0.023±0.008 0.021±0.007 roof. analysed exceeded environmental protection agency (USEPA) standards contamination.
 
 KEY WORDS: AGB, GC-MS, Harvested Rainwater, LLE, PAHs, WRPC
 Bull. Chem. Soc. Ethiop. 2022, 36(4), 779-789. DOI: https://dx.doi.org/10.4314/bcse.v36i4.5