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Determination of suspended particulates matter of major significance to human health using nuclear techniques in kenya

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Abstract

Energy dispersive X-ray fluorescence (EDXRF) analysis of aerosol samples in Nairobi is presented. Results show that elemental concentrations are of the order of 10−4 to 10−6 μg/m3 for most elements analyzed. The total suspended particulate (TSP) matter was between 30–80 μg/m3 for the entire sampling period between December 1993 to October 1994. Levels of lead (Pb) are below WHO guidelines. However, the obtained bromine (Br) to Pb ratio: 0.3–0.51, shows the origin of Pb to be from vehicular emissions. This ratio was particularly high during the months of April to July 1994 which were also found to be very active in terms of weather parameters.

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Authors and Affiliations

  1. Kenya Meteorological Department, P. O. Box 30259, Nairobi, (Kenya)

    C. K. Gatebe, R. Kwach, L. N. Njau & E. A. Mukolwe

  2. Institute of Nuclear Science, University of Nairobi, P.O.Box 30197, Nairobi, (Kenya)

    C. K. Gatebe, A. M. Kinyua, M. J. Mangala & D. M. Maina

Authors
  1. C. K. Gatebe
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  2. A. M. Kinyua
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  3. M. J. Mangala
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  4. R. Kwach
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  5. L. N. Njau
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  6. E. A. Mukolwe
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  7. D. M. Maina
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Gatebe, C.K., Kinyua, A.M., Mangala, M.J. et al. Determination of suspended particulates matter of major significance to human health using nuclear techniques in kenya. Journal of Radioanalytical and Nuclear Chemistry, Articles 203, 125–134 (1996). https://doi.org/10.1007/BF02060387

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  • DOI: https://doi.org/10.1007/BF02060387

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