Discover Water,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: Aug. 28, 2024
The
objective
of
this
research
was
to
assess
sediments
contamination,
provenance
and
metal
pollution
using
single
complex
indicators.
Limbe
River
sediment
samples
were
analysed
Inductively
Coupled
Plasma—Mass
Spectrometry.
exhibit
high
content
in
Fe2O3
sourced
from
haematization
basaltic
rocks.
concentration
Cd,
Co,
Cr,
Mn,
Ni,
Pb,
Sn,
Sr,
V
Zn
exceed
upper
continental
crust
local
baseline
values
for
heavy
metals.
Correlation
matrix
analysis
indicates
the
presence
common
input
sources
similar
geochemical
characteristics
Contamination
factor
(CF:
0.01–10.34),
contamination
degree
(Cdeg:
14.91–36.57),
load
index
(PLI:
0.84–1.77),
nemerow
integrated
(NIPI:
0.2–1.7)
significant
levels
contamination.
enrichment
(EF:
0–5.67)
geo-accumulation
(Igeo:
-7.55–2.59),
suggests
moderate
ecosystem,
suggesting
potential
ecological
effects.
Modified
hazard
quotient
(mHQ:
0.082–6.35)
toxic
risk
(TRI:
10.49–27.43),
low
extreme
severity
toxicity
risks
metals
aquatic
ecosystem
fauna
flora.
Primarily
anthropogenic
activities
secondary
lithogenic
is
attributed
pollution.
This
study
that
a
greater
emphasis
should
be
placed
on
monitoring
various
provenances
entering
practices.
emphasizes
significance
continual
protection
biological
resources
adaptive
management.
development
reasonable
goals
remedial
programmes
can
aided
by
data.
Toxics,
Journal Year:
2024,
Volume and Issue:
12(1), P. 62 - 62
Published: Jan. 12, 2024
This
study
investigated
the
occurrence
and
distribution
of
rare
earth
elements
(REEs),
including
14
lanthanoids,
scandium
(Sc),
yttrium
(Y),
in
groundwater
around
a
large
coal-fired
thermal
power
plant
(TPP).
The
ICP-MS
technique
was
used
to
analyze
16
REEs
samples
collected
from
monitoring
wells.
REE
concentrations
ranged
59.9
758
ng/L,
with
an
average
290
ng/L.
most
abundant
Sc,
followed
by
La,
accounting
for
54.2%
21.4%
total
concentration,
respectively.
Geospatial
analysis
revealed
enrichment
at
several
hotspots
near
TPP.
highest
were
observed
TPP
ash
landfill,
decreasing
distance
landfill.
fractionation
ratios
anomalies
suggested
Light
dominance,
comprising
over
78%
REEs.
Correlation
principal
component
analyses
indicated
similar
behavior
sources
Health
risk
assessment
found
hazard
indices
(HI)
1.36
×
10
