Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Апрель 9, 2024
The
auto
parts
industry
occupies
an
important
strategic
position
in
our
national
economy,
which
brings
about
the
pollution
problem
processing
of
parts,
particularly
soil
polluted
by
heavy
metals.
Soil
samples
were
collected
from
automobile
company
Jiaxing,
China,
and
data
evaluated
using
land
accumulation
index
method.
study
found
that
metal
downwind
direction
Automobile
Parts
Co.,
Ltd.
is
mainly
As,
CD,
Zn
mixed
pollution,
distribution
uneven.
coefficient
variation
As
was
largest,
regional
amplitude
large.
Cr,
Ni
50%,
39.38%,
PB
lowest.
accumulative
AS
CD
6,
a
very
serious
level.
content
1994.7
mg/kg,
exceeding
standard
more
than
44
times,
level
3,
belongs
to
moderate
degree
metals
decreases
as
distance
outlet
plant
increases.
According
health
risk
assessment,
main
route
entering
body
through
mouth
breathing.
Among
exposure
routes,
oral
most
harmful,
so
we
need
pay
special
attention
farmland
pollution.
Deleted Journal,
Год журнала:
2023,
Номер
44(1), С. 60 - 72
Опубликована: Июль 5, 2023
Groundwater
contamination
by
nitrate
and
heavy
metals
is
a
growing
global
concern
due
to
its
detrimental
effects
on
human
health
through
ingestion
dermal
exposure.
This
study
aimed
assess
the
concentrations
of
(Pb,
Cu,
Cd,
Fe)
in
groundwater
evaluate
associated
risks
among
different
age
groups
(females,
males,
children)
Nnewi
Awka
regions
southeast
Nigeria.
Standard
methods
were
followed.
Ten
samples
collected
from
each
locality,
their
physicochemical
parameters
analyzed.
The
evaluation
metal
levels
was
conducted
using
cancer
hazard
index
as
indicators
public
impact.
results
showed
that
while
within
acceptable
limits,
exceeded
permissible
all
samples.
Carcinogenic
risk
(CR)
analysis
revealed
approximately
40%
80%
permitted
range
≤1
×
10
−6–1
−4.
In
region,
order
toxicity
Cd
>
Pb
Cu
Fe,
Awka,
it
resulting
severe
non-carcinogenic
hazards
for
users.
identified
most
significant
contaminants
impacting
water
quality
both
regions.
Children
exhibited
greater
vulnerability
compared
adults
areas.
These
findings
contribute
our
understanding
localized
contamination,
highlight
children,
emphasize
importance
regular
monitoring
management
practices.
Total Environment Research Themes,
Год журнала:
2023,
Номер
6, С. 100039 - 100039
Опубликована: Апрель 8, 2023
The
paper
reviews
the
widely
used
heavy
metal
pollution
indices
(HPIs)
in
water,
soil,
and
sediments
presents
their
numerical
equation
application
various
fields.
HPIs
are
an
essential
efficient
tool
to
measure
contamination
environmental
system.
present
study
includes
twenty
from
for
comparative
with
ranges.
In
addition,
regional
distribution
of
publications
has
been
reviewed,
it
observed
that
68%
were
published
Asia,
followed
by
other
continents.
merits
demerits
each
index
have
presented,
a
comprehensive
method
selecting
appropriate
is
evaluated
order
better
interpret
level
soils
water
systems.
Among
quality
HPI,
HEI
HI
due
precise
scale,
easy
use,
less
limitations
provide
results.
single
indices,
EF,
Igeo,
CF
can
be
simple
manner
soil
assessment,
whereas
combined
PLI
INemerow
found
useful
as
apply
scale.
integrated
Cd
IAvg
apply,
there
no
limitation
metals.
Selection
geochemical
background
(GB)
must
established,
nature
fluctuation
GB
may
give
false
result.
ecological
risk
(ERI)
unique
represent
sediment
A
approach
guidelines
using
considering
different
sectors
developed
nation.
widespread
HPI
makes
more
accessible,
well-defined
result
presented.
International Journal of Environmental Research and Public Health,
Год журнала:
2023,
Номер
20(3), С. 1693 - 1693
Опубликована: Янв. 17, 2023
This
study
reports
the
data
on
contamination
caused
by
heavy
metals
in
groundwater
of
Campania
Plain
(CP)
Southern
Italy.
A
total
1093
samples
were
obtained
from
following
aquifers:
coastal
plains
(GAR,
VCP,
VES,
SAR,
and
SEL),
volcanic
districts
(PHLE
VES),
carbonate
massifs
(MAS
LAT).
In
this
study,
investigation
depth
ranged
5
m
(GAR)
to
200
(PHLE).
The
sequence
metal
content
was
B
>
Fe
Al
Mn
Zn
Ba
Ni
As
Cu
V
Se
Pb
Cd.
pollution
index
(HPI)
evaluation
(HEI)
demonstrated
that
areas
which
sampled
are
not
risk
zones.
Moreover,
health
assessment
shows
hazard
(HI)
values
for
found
be
significantly
low
samples.
non-carcinogenic
adult
group,
low,
whereas
children
infants,
>1
arsenic
alone.
Carcinogenic
(CR)
lower
adults,
children,
infants.
Jenks
optimization
method
used
evaluate
distribution
CP,
principal
component
analysis
technique
(PCA)
employed
determine
source
metals,
it
mixed
sources
(natural
anthropogenic)
may
responsible
presence.
Water,
Год журнала:
2024,
Номер
16(3), С. 471 - 471
Опубликована: Янв. 31, 2024
Drinking
water
requires
excellent
physico-chemical
quality.
It
must
therefore
not
contain
any
substance
which
is
harmful,
or
may
harm
the
health
of
consumer.
The
drinking
supply
Bangeli
canton
(Togo)
provided
by
ground
and
surface
have
been
polluted
several
industrial
discharges
as
a
result
Togo’s
intensive
industrialization
in
last
few
decades.
In
order
to
contribute
control
this
locality,
our
study
focused
on
state
metal
pollution
waters
canton.
To
assess
spatiotemporal
evolution
metallic
contamination
waters,
groundwater
samples
were
taken
during
dry
rainy
seasons
three
years.
This
comparative
will
allow
for
more
in-depth
assessment
area.
These
analysed
ICP-MS
heavy
metals
such
Fe,
Pb,
Cr,
Zn,
Cu,
Co,
As,
Mn,
Sb,
Ni,
Cd.
mean
values
obtained
these
from
are,
respectively,
1144.87;
2.53;
3.42;
3.63;
6.49;
0.69;
143.76;
160.03;
5.67;
0.036
µg/L.
Except
all
other
below
WHO
guidelines.
index
(HPI)
applied
gave
between
31.49
307.51,
with
88.66%
limit
value
(100).
Health
risk
factors,
including
average
daily
doses,
hazard
quotient,
carcinogenic
risks,
indices,
computed
children
adults.
Finally,
HPI
Fe
Sb
both
child
adult
cases
showed
greater
than
safe
limits,
causes
harmful
hazards
potential
non-carcinogenic
risks
humans.
However,
Cd,
As
less
(10−4),
indicating
that
there
no
cancer.
interpretation
PCA
results
made
it
possible
understand
mining
has
contributed
some
resources
Bangeli,
cluster
analysis
(CA)
data
sampling
points
can
be
grouped
into
four
groups,
primarily
formed
extravagant
concentrations
Sr.
Deleted Journal,
Год журнала:
2024,
Номер
1(1), С. 100004 - 100004
Опубликована: Апрель 4, 2024
The
Earth
Critical
Zone
(ECZ)
represents
a
complex
interplay
of
chemical,
biological,
physical,
and
geological
processes
at
the
planet's
surface,
essential
for
maintaining
ecological
balance
vital
human
existence.
impact
activities
on
ECZ
is
currently
underexplored,
posing
challenges
sustainable
future
development.
Here
we
delve
into
effects
industrialization,
urbanization,
technological
progress
resource
scarcity,
environmental
degradation,
loss
biodiversity,
which
lead
to
profound
shifts
in
ECZ's
dynamics.
Despite
substantial
influence
terrestrial
marine
ecosystems,
opportunities
positive
change
through
innovation,
policy
formulation,
enhanced
global
governance
are
identified.
Drawing
examples
from
developed
developing
nations,
discuss
disparities
management
potential
achieving
harmonious
between
economic
growth,
social
equity,
preservation
within
framework
Sustainable
Development
Goals.
paper
advocates
integrated
approaches
address
climate
change,
biodiversity
loss,
ecosystem
calling
strengthened
international
cooperation
adoption
green
development
strategies.
We
conclude
that
coexistence
humans
necessitates
collective
efforts
across
all
levels
society,
leveraging
advancements
interventions
foster
resilient
ecosystem.
