Applied Sciences,
Journal Year:
2022,
Volume and Issue:
12(18), P. 9345 - 9345
Published: Sept. 18, 2022
As
a
primary
sink
of
pollutants,
urban
soil
heavy
metal
pollution
and
its
influence
on
residents
ecosystems
has
been
becoming
one
the
most
important
environmental
problems.
In
present
study,
four
indices,
Geoaccumulation
index
(Igeo),
improved
Nemerow
(IMN),
degree
contamination
(mCd),
security
(CSI),
as
well
potential
ecological
risk
(RI),
were
used
to
evaluate
individual
or
integrated
for
samples
collected
from
city
parks,
vicinity
landfill,
an
industrial
area
within
Guangzhou.
The
results
indicated
that
(IMN)
calculated
was
suitable
assessment
soils
landfills
areas.
(mCd)
more
than
IMN.
Heavy
metals
Cd,
Hg,
Zn,
main
elements
in
Potential
risks
mainly
caused
by
Cd
Hg
Soil
parks
moderately
highly
even
extremely
seriously
polluted
metals.
Differing
traditional
cognition
public,
impact
landfill
similar
better
parks.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: March 20, 2023
Abstract
Contamination
of
farmland
soils
by
trace
elements
(TEs)
has
become
an
international
issue
concerning
food
safety
and
human
health
risks.
In
the
present
research,
concentrations
TEs
including
cadmium
(Cd),
cobalt
(Co),
chromium
(Cr),
copper
(Cu),
manganese
(Mn),
nickel
(Ni),
lead
(Pb),
zinc
(Zn)
iron
(Fe)
in
16
farmlands
were
determined
Gonabad,
Iran.
addition,
risks
due
to
exposure
from
assessed.
Moreover,
soil
contamination
likelihood
was
evaluated
based
on
various
indices
factor
$$(\mathrm{CF}$$
(CF
),
enrichment
(EF),
geo-accumulation
index
(Igeo),
pollution
load
(PLI)
calculations.
The
mean
for
Cd,
Co,
Cr,
Cu,
Mn,
Ni,
Pb,
Zn
Fe
ranges
as
0.102,
6.968,
22.550,
29.263,
475.281,
34.234,
13.617,
54.482
19,683.6
mg/kg
soils.
decreased
order
>
Mn
Ni
Cu
Cr
Pb
Co
As
Cd.
Levels
all
metals
this
study
within
FAO/WHO
Iranian
standards.
HQ
values
investigated
adults
children
studied
farms
less
than
limit
1,
indicating
no
subpopulations.
results
research
indicated
significant
carcinogenic
hazards
both
through
ingestion,
skin
contact
inhalation
routes.
$$\mathrm{CF}$$
100%
6.25%
above
showing
moderate
conditions.
EF
recorded
“no
enrichment”,
“minimal
enrichment”
“moderate
classes.
Furthermore,
it
can
be
concluded
that
uncontaminated
except
(moderately
contaminated)
Igeo.
This
is
indication
selected
agricultural
have
appreciable
threat
health.
Metals,
Journal Year:
2023,
Volume and Issue:
13(7), P. 1266 - 1266
Published: July 13, 2023
Heavy
metal(loid)s
(HMs)
play
an
important
role
in
economic
development
since
they
are
used
various
branches
of
industry.
However,
all
industrial
activities
emit
HMs
into
the
environment,
where
no
longer
useful
but
potentially
toxic.
It
has
been
observed
that
enter
soil
and
sediment,
potential
human
health
risk
may
arise
due
to
their
excessive
accumulation.
Having
mind
importance
assessing
these
media,
we
analyzed
published
works
last
decade
created
a
summary
exposure
factors
models
for
sediment.
This
analysis
revealed
remarkable
increase
number
publications
about
assessment
HMs,
especially
few
years.
Since
many
differences
values
distributions
were
noted,
this
study
focused
on
elucidating
differences.
Non-carcinogenic
carcinogenic
evaluated
through
deterministic
approach
is
prevalent
use,
probabilistic
one,
which
gaining
more
attention
research.
In
end,
guided
by
studied
literature,
propose
factors.
