Marine Pollution Bulletin,
Год журнала:
2024,
Номер
211, С. 117397 - 117397
Опубликована: Дек. 11, 2024
This
study
evaluates
heavy
metal
(Cr,
Fe,
Ni,
Cu,
Zn,
Hg,
Pb,
and
As)
contamination
in
the
Pescara
River,
Italy,
using
Total
Reflection
X-ray
Fluorescence,
focusing
on
impact
of
Bussi
landfills.
Analyses
revealed
that
most
metals
exceed
WHO
drinking
water
standards,
particularly
upstream
areas
near
industrial
sites.
Pollution
indices
resulted:
Nemerow
Index
(0.43-23.75),
Contamination
Factor
(0.09-104.49),
Load
(0.14-5.83),
Heavy
Metal
(1.01-1304).
Ecological
Risk
identified
severe
ecosystem
threats
one-third
samples,
while
Human
Health
Assessment
substantial
non-carcinogenic
risks
with
Hazard
Quotients
exceeding
safety
thresholds
for
both
adults
(3.57)
children
(2.00).
Specific
concerns
emerge
children's
exposure
due
to
their
enhanced
vulnerability
toxicity.
Water
Quality
classified
46.6
%
samples
as
"Very
Poor"
purposes.
Principal
component
analysis
Pearson's
correlation
indicated
anthropogenic
sources
primary
contributors,
highlighting
urgent
need
sustainable
management
strategies.
Journal of Chemistry,
Год журнала:
2025,
Номер
2025(1)
Опубликована: Янв. 1, 2025
Spring
and
well
waters
are
among
the
most
important
sources
of
drinking
water
in
Gofa
Zone
rural
areas;
therefore,
it
is
vital
to
evaluate
quality
these
sources.
Hence,
this
study
aims
determine
physicochemical
parameters
metallic
mineral
concentration
with
its
associated
health
risks
selected
areas
zone,
Ethiopia.
The
purposive
sampling
method
was
used
for
sample
collection.
Standard
analytical
procedures
were
contents.
average
values
all
spring
well‐drinking
obtained
as
temperature
(20.73°C
20.30°C),
pH
(7.2
6.07),
electrical
conductivity
(481.13
µS/cm
584.24
µS/cm),
dissolved
oxygen
(4.09
6.07
mg/L),
turbidity
(1.60
NTU
6.55
NTU),
total
solids
(330.83
338.3
suspended
(84.76
89.24
chloride
concentrations
(58.15
60.47
SO
4
2−
ion
(68.50
mg/L
5.58
NO
3
+
(3.25
2.75
fluoride
(0.49
0.37
mg/L).
Health
risk
assessment
indicates
that
Co
metal
showed
high
hazard
indices
compared
Fe,
Cu,
Zn.
Additionally,
heavy
pollution
index
(MPI)
evaluation
(HEI)
indicate
Sawla
Kusti
(SSW5),
Geze
Mhirzho
Wola
(GGSW7),
Bulki
Guya
(BGWW8)
considered
highly
polluted
not
recommended
purposes.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Дек. 5, 2024
Abstract
Dermal
contact,
ingestion
and
inhalation
of
heavy
metal
poses
significant
health
risk
in
human
subjects.
The
exposure
could
be
via
potable
water,
soil
or
air.
current
experiment
design
focuses
on
media
exposure.
Advanced
probabilistic
geospatial
methods
are
used
this
study
which
evaluates
contamination
levels
risks
associated
with
iron
(Fe),
arsenic
(As),
zinc
(Zn),
copper
(Cu),
nickel
(Ni),
chromium
(Cr),
lead
(Pb),
cadmium
(Cd)
samples.
samples
were
collected
analysed
using
ICP-OES
after
tri-acid
digestion,
indices
such
as
Geoaccumulation
Index
(Igeo),
Contamination
Factor
(CF),
Pollution
Load
(PLI),
Hazard
Quotient
(HQ),
(HI),
Carcinogenic
Risk
(CR)
to
assess
environmental
impacts
across
the
age
groups
oral
ingestion,
dermal
contact.
indicates
concentrations
follow
order
Ni
>
Zn
Pb
Cu
Cr
As
Cd,
more
than
60%
demonstrating
pollution
levels.
computational
method
revealed
substantial
non
carcinogenic
(HQ
1)
(33%)
population
related
Geospatial
analysis
Monte
Carlo
simulations
helped
identifying
hotspots
tropical
coastal
area
emphasizing
need
for
targeted
remediation
focusing
Pb.
