Metals and persistent organic pollutants as ecological determinants of human health in Naivasha, Kenya.
The main industries in Naivasha are floriculture and geothermal energy, with both industries beginning in the 1980s. Increased employment caused a 20-fold increase in population over 3 decades. These changes have the potential to increase the release of environmental contaminants, such as metals and persistent organic pollutants (POPs). This study uses an ecosystem health approach to study the distribution and health risks associated with metals in airborne dust and POPs and metals in Cyprinus carpio dorsal muscle, in Naivasha, Kenya. Findings suggest that Ni in airborne dust may be derived from natural catchment substrate, but still exists at concentrations above World Health Organization guidelines. Of the POPs and metals quantified in Cyprinus carpio, only dieldrin and Hg exceeded the U.S. Environmental Protection Agency guidelines for unlimited fish consumption. Concentrations of Hg and dieldrin are still low enough for safe fish consumption 16 times/month and more than 3 times/month, respectively.
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Format: | Thesis/Dissertation biblioteca |
Language: | English |
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Western University, Ontario, Canada
2012
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Subjects: | Pollutant persistence, Organometallic compounds, Industrial effluents, Environmental contamination, PCB, |
Online Access: | http://hdl.handle.net/1834/7407 |
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dig-aquadocs-1834-74072021-05-19T06:17:01Z Metals and persistent organic pollutants as ecological determinants of human health in Naivasha, Kenya. Metals, POPs and implications for health in Naivasha, Kenya Hicks, Chelsea R. Pollutant persistence Organometallic compounds Industrial effluents Environmental contamination PCB The main industries in Naivasha are floriculture and geothermal energy, with both industries beginning in the 1980s. Increased employment caused a 20-fold increase in population over 3 decades. These changes have the potential to increase the release of environmental contaminants, such as metals and persistent organic pollutants (POPs). This study uses an ecosystem health approach to study the distribution and health risks associated with metals in airborne dust and POPs and metals in Cyprinus carpio dorsal muscle, in Naivasha, Kenya. Findings suggest that Ni in airborne dust may be derived from natural catchment substrate, but still exists at concentrations above World Health Organization guidelines. Of the POPs and metals quantified in Cyprinus carpio, only dieldrin and Hg exceeded the U.S. Environmental Protection Agency guidelines for unlimited fish consumption. Concentrations of Hg and dieldrin are still low enough for safe fish consumption 16 times/month and more than 3 times/month, respectively. Masters 2015-09-08T03:18:03Z 2015-09-08T03:18:03Z 2012 Thesis/Dissertation http://hdl.handle.net/1834/7407 en xiii, 107pp. Kenya, Rift Valley, Naivasha L. Western University, Ontario, Canada |
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Pollutant persistence Organometallic compounds Industrial effluents Environmental contamination PCB Pollutant persistence Organometallic compounds Industrial effluents Environmental contamination PCB |
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Pollutant persistence Organometallic compounds Industrial effluents Environmental contamination PCB Pollutant persistence Organometallic compounds Industrial effluents Environmental contamination PCB Hicks, Chelsea R. Metals and persistent organic pollutants as ecological determinants of human health in Naivasha, Kenya. |
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The main industries in Naivasha are floriculture and geothermal energy, with both industries beginning in the 1980s. Increased employment caused a 20-fold increase in population over 3 decades. These changes have the potential to increase the release of environmental contaminants, such as metals and persistent organic pollutants (POPs). This study uses an ecosystem health approach to study the distribution and health risks associated with metals in airborne dust and POPs and metals in Cyprinus carpio dorsal muscle, in Naivasha, Kenya. Findings suggest that Ni in airborne dust may be derived from natural catchment substrate, but still exists at concentrations above World Health Organization guidelines. Of the POPs and metals quantified in Cyprinus carpio, only dieldrin and Hg exceeded the U.S. Environmental Protection Agency guidelines for unlimited fish consumption. Concentrations of Hg and dieldrin are still low enough for safe fish consumption 16 times/month and more than 3 times/month, respectively. |
format |
Thesis/Dissertation |
topic_facet |
Pollutant persistence Organometallic compounds Industrial effluents Environmental contamination PCB |
author |
Hicks, Chelsea R. |
author_facet |
Hicks, Chelsea R. |
author_sort |
Hicks, Chelsea R. |
title |
Metals and persistent organic pollutants as ecological determinants of human health in Naivasha, Kenya. |
title_short |
Metals and persistent organic pollutants as ecological determinants of human health in Naivasha, Kenya. |
title_full |
Metals and persistent organic pollutants as ecological determinants of human health in Naivasha, Kenya. |
title_fullStr |
Metals and persistent organic pollutants as ecological determinants of human health in Naivasha, Kenya. |
title_full_unstemmed |
Metals and persistent organic pollutants as ecological determinants of human health in Naivasha, Kenya. |
title_sort |
metals and persistent organic pollutants as ecological determinants of human health in naivasha, kenya. |
publisher |
Western University, Ontario, Canada |
publishDate |
2012 |
url |
http://hdl.handle.net/1834/7407 |
work_keys_str_mv |
AT hickschelsear metalsandpersistentorganicpollutantsasecologicaldeterminantsofhumanhealthinnaivashakenya AT hickschelsear metalspopsandimplicationsforhealthinnaivashakenya |
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1756075109916868608 |