Occurrence and Distribution of Polybrominated Diphenyl Ethers in Sediments from Nairobi River Basin, Kenya, East Africa

Authors

  • Enock M. Osoro  College of Biological and Physical Sciences, School of Physical Science, Department of Chemistry, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya
  • Shem O. Wandiga  College of Biological and Physical Sciences, School of Physical Science, Department of Chemistry, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya
  • Vincent O. Madadi  College of Biological and Physical Sciences, School of Physical Science, Department of Chemistry, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya
  • Deborah A. Abong'o  College of Biological and Physical Sciences, School of Physical Science, Department of Chemistry, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya

DOI:

https://doi.org//10.32628/IJSRSET218148

Keywords:

Nairobi River Basin; Polybrominated diphenyl ethers; sediments; Residues

Abstract

This study was set to determine the levels and spatial distribution of selected PBDEs in sediments of Nairobi River during the four seasons experienced in Nairobi. Sediment samples were collected from nine sites along the river and analyzed for brominated diphenyl ethers 28, 47, 66, 85, 99, 100, 153, 154, and 183 using gas chromatography coupled with mass spectrometer. The mean concentration of polybrominated diphenyl ethers residue in sediment samples ranged between 134.70±3.07 to 24386.13±207.22 ng/Kg. The high mean concentration of PBDEs in the river sediments indicates that anthropogenic activities along the Nairobi River basin have contributed to polybrominated diphenyl ethers contamination of the river sediment posing a potential risk to aquatic organisms that inhabit the river.

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International Journal of Scientific Research in Science, Engineering and Technology

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Published

2021-02-28

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Volume 8, Issue 1, January-February-2021

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Research Articles

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[1]
Enock M. Osoro, Shem O. Wandiga, Vincent O. Madadi, Deborah A. Abong'o, " Occurrence and Distribution of Polybrominated Diphenyl Ethers in Sediments from Nairobi River Basin, Kenya, East Africa, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 8, Issue 1, pp.274-286, January-February-2021. Available at doi : https://doi.org/10.32628/IJSRSET218148