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Physico-chemical parameters and levels of polycyclic aromatic hydrocarbons in water, sediments and soil in River Nzoia, Kakamega county-Kenya

  • J. K. Basweti
  • M. P. Nawiri
  • H. N. Nyambaka
Article
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Abstract

The River Nzoia basin is the main source of water for domestic, agricultural, and industrial activities. The levels of the priority polycyclic aromatic hydrocarbons (PAHs) in water, soil, and sediments of River Nzoia during two seasons are reported. The physico-chemical parameters gave levels that were within the maximum allowable limit but with significant differences between the wet and dry seasons (p < 0.005). In water (max: 0.092 ± 0.003 ng/L) and soils (max 9.74 ± 1.97 ng/g), levels were significantly higher in the wet season unlike in sediment (8.94 ± 3.33 ng/g). Although all levels were below the recommended limits, the results form a need basis for continuous monitoring as recommended by WHO and USEPA.

Keywords

Physico-chemical characteristics Polycyclic aromatic hydrocarbons (PAHs) Gas chromatography-mass spectrometry (GC-MS) River Nzoia basin 

Notes

Acknowledgements

Appreciation is extended to the Royal Society of Chemistry for a Poster Award during the 9th International Conference of the Kenya Chemical Society where the findings were presented.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • J. K. Basweti
    • 1
  • M. P. Nawiri
    • 1
  • H. N. Nyambaka
    • 1
  1. 1.Department of ChemistryKenyatta UniversityNairobiKenya

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