THE RELATIONSHIP BETWEEN DAILY TRAFFIC VOLUME AND THE DISTRIBUTION OF SOME HEAVY METALS IN ROADSIDE SOIL, VEGETATION AND WATER.
THE RELATIONSHIP BETWEEN DAILY TRAFFIC VOLUME AND THE DISTRIBUTION OF SOME HEAVY METALS IN ROADSIDE SOIL, VEGETATION AND WATER.
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Date
1982-03
Authors
INIKORI, GODWIN OMAMUYOVWI
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Abstract
The relationship between estimated daily traffic
volume and the concentrations of the heavy metal pollutants,
lead, cadmium, nickel, copper and chromium as
determined by atomic absorption spectroscopic technique
in soil, vegetation and water samples taken along sides
of some major roads in seven state capitals in Nigeria
has been established. The amounts of these metals in
soil samples from three petrol stations in Zaria, the
car park at the Kashim Ibrahim Library of the Ahmadu
Bello University and that at the Advanced Teachers'
College, Zaria and the Ahmadu Bello University Staff
School, Samaru have been determined.
Lead, Cadmium and Copper concentrations in soil
and vegetation samples show significant correlation with
estimated daily traffic volumes. Correlation coefficients
for the concentrations of nickel in soil, chromium in
vegetation and cadmium in water are also significant.
However, correlation coefficients for Lead, Nickel and
Chromium concentrations in water samples are not significant
.
The distribution of all the metals in the soil,
vegetation and water samples except for nickel in vegetavi
tion samples show a decrease in concentration with
increasing distance from the road in all the state
capitals. The metal concentrations in soil samples were
generally below threshold limits. The Lead concentrations
in vegetation samples in all the state capitals
except Calabar, exceed the specified limits. Nickel
concentrations in water samples also exceed the threshold
limit in all the state capitals
Description
A THESIS SUBMITTED IN PARTIAL FULFILMENT OF
THE REQUIREMENTS FOR THE MASTER OF SCIENCE
DEGREE IN ANALYTICAL CHEMISTRY.
DEPARTMENT OF CHEMISTRY,
FACULTY OF SCIENCE,
AHMADU BELLO UNIVERSITY,
ZARIA, NIGERIA.
MARCH, 1982.
Keywords
RELATIONSHIP,, BETWEEN,, DAILY TRAFFIC,, VOLUME,, DISTRIBUTION,, HEAVY METALS,, ROADSIDE SOIL,, VEGETATION,, WATER.