Metals,
Journal Year:
2024,
Volume and Issue:
14(9), P. 1062 - 1062
Published: Sept. 17, 2024
Fluoride
and
nitrate
contamination
in
groundwater
is
a
global
concern
due
to
their
toxicity
associated
negative
health
effects.
This
study
incorporated
comprehensive
methodology,
including
hydrogeochemical
analysis,
drinking
irrigation
water
quality
assessment,
source
apportionment,
risk
estimation
of
fluoride
lithium
ore
deposit
basin
western
Serbia.
Groundwater
major
ion
hydrogeochemistry
was
governed
by
water–rock
interactions,
with
Ca-Mg-HCO3
identified
as
the
predominant
type.
The
entropy-weighted
index
(EWQI),
sodium
adsorption
ratio
(SAR),
percentage
(%Na)
revealed
that
95%
samples
were
excellent
good
for
both
irrigation.
Moreover,
results
showed
fluorides
geogenic
origin,
whereas
nitrates
originated
from
agricultural
activities.
Although
levels
relatively
low,
averaging
1.0
mg/L
11.1
mg/L,
respectively,
assessment
ingestion
such
can
still
lead
non-cancerous
diseases.
threshold
one
hazard
exceeded
15%
35%
adults
children,
respectively.
Children
more
vulnerable
non-carcinogenic
risk,
being
primary
contributing
factor.
outcomes
serve
reference
other
lithium-bearing
areas
guide
management
regional
resources.
Environmental Geochemistry and Health,
Journal Year:
2024,
Volume and Issue:
46(8)
Published: July 5, 2024
Abstract
Water
scarcity
is
a
growing
concern
due
to
rapid
urbanization
and
population
growth.
This
study
assesses
spring
water
quality
at
20
stations
in
Giresun
province,
Türkiye,
focusing
on
potentially
toxic
elements
physicochemical
parameters.
The
Quality
Index
rated
most
samples
as
"excellent"
during
the
rainy
season
"good"
dry
season,
except
4
(40°
35′
12″
North/38°
26′
34″
East)
19
44′
28″
06′
53″
West),
indicating
"poor"
quality.
Mean
macro-element
concentrations
(mg/L)
were:
Ca
(34.27),
Na
(10.36),
Mg
(8.26),
K
(1.48).
trace
element
values
(μg/L)
Al
(1093),
Zn
(110.54),
Fe
(67.45),
Mn
(23.03),
Cu
(9.79),
As
(3.75),
Ni
(3.00),
Cr
(2.84),
Pb
(2.70),
Co
(1.93),
Cd
(0.76).
Health
risk
assessments
showed
minimal
non-carcinogenic
risks,
while
carcinogenic
from
arsenic
slightly
exceeded
safe
limits
(CR
=
1.75E−04).
Higher
were
increased
recharge,
arsenic-laden
surface
runoff,
human
activities.
Statistical
analyses
(PCA,
PCC,
HCA)
suggested
that
metals
physico-chemical
parameters
originated
lithogenic,
anthropogenic,
or
mixed
sources.
Regular
monitoring
of
recommended
mitigate
potential
public
health
risks
waterborne
contaminants.
Journal of Contaminant Hydrology,
Journal Year:
2024,
Volume and Issue:
261, P. 104307 - 104307
Published: Jan. 21, 2024
The
Rooppur
Nuclear
Power
Plant
(RNPP)
at
Ishwardi,
Bangladesh
is
planning
to
go
into
operation
within
2024
and
therefore,
adjacent
areas
of
RNPP
gaining
adequate
attention
from
the
scientific
community
for
environmental
monitoring
purposes
especially
water
resources
management.
However,
there
a
substantial
lack
literature
as
well
datasets
earlier
years
since
very
little
was
done
beginning
RNPP's
construction
phase.
Therefore,
this
study
conducted
assess
potential
toxic
elements
(PTEs)
contamination
in
groundwater
its
associated
health
risk
residents
part
during
year
2014–2015.
For
achieving
aim
study,
samples
were
collected
seasonally
(dry
wet
season)
nine
sampling
sites
afterwards
analyzed
quality
indicators
such
temperature
(Temp.),
pH,
electrical
conductivity
(EC),
total
dissolved
solid
(TDS),
hardness
(TH)
PTEs
including
Iron
(Fe),
Manganese
(Mn),
Copper
(Cu),
Lead
(Pb),
Chromium
(Cr),
Cadmium
(Cd)
Arsenic
(As).
This
adopted
newly
developed
Root
Mean
Square
index
(RMS-WQI)
model
scenario
whereas
human
assessment
utilized
quantify
toxicity
PTEs.
In
most
sites,
concentration
found
higher
season
than
dry
Fe,
Mn,
Cd
As
exceeded
guideline
limit
drinking
water.
RMS
score
mostly
classified
terms
"Fair"
condition.
non-carcinogenic
risks
(expressed
Hazard
Index-HI)
revealed
that
around
44%
89%
adults
67%
100%
children
threshold
set
by
USEPA
(HI
>
1)
possessed
through
oral
pathway
season,
respectively.
Furthermore,
calculated
cumulative
HI
throughout
period.
carcinogenic
(CR)
PTEs,
magnitude
decreased
following
pattern
Cr
Cd.
Although
current
based
on
old
dataset,
findings
might
serve
baseline
reduce
future
hazardous
impact
power
plant.
Water,
Journal Year:
2023,
Volume and Issue:
15(13), P. 2494 - 2494
Published: July 7, 2023
Heavy
metal
pollution
in
marine
ecosystems
is
an
escalating
environmental
concern,
largely
driven
by
anthropogenic
activities,
and
poses
potential
threats
to
ecological
health
human
well-being.
This
study
embarked
on
a
comprehensive
investigation
into
the
concentrations
of
heavy
metals
sediment
samples
evaluated
their
risks
with
focus
Eastern
St.
Martin’s
Island
(SMI),
Bangladesh.
Sediment
were
meticulously
collected
from
12
distinct
sites
around
island,
metals,
including
Mn,
Fe,
Ni,
Zn,
Cr,
Pb,
Cu,
quantified
utilizing
atomic
absorption
spectrometry
(AAS).
The
results
revealed
that
average
descending
order,
Mn
(269.5
±
33.0
mg/kg),
Fe
(143.8
21.7
Ni
(29.6
44.0
Zn
(27.2
4.34
Cr
(8.09
1.67
Pb
(5.88
0.45
Cu
(3.76
0.60
mg/kg).
Intriguingly,
all
measured
found
be
within
permissible
limits
comparatively
lower
than
those
documented
various
national
international
contexts.
risk
assessment,
based
multiple
quality
indices
such
as
geoaccumulation
index,
contamination
factor,
load
indicated
moderate
aquatic
ecosystem
but
no
significant
adverse
impact
quality.
Additionally,
encompassing
non-carcinogenic
hazard
for
different
age
groups,
was
considerably
below
threshold,
signifying
immediate
risk.
total
carcinogenic
also
acceptable
levels.
These
findings
underscore
current
state
Island,
providing
valuable
insights
monitoring
management.
While
not
alarming,
highlights
imperative
need
sustained
implementation
rigorous
regulations
curb
order
safeguard
both
health.
warrants
development
policies
are
adaptive
preemptive
ensure
sustainable
utilization
conservation
resources.
