Toxics,
Journal Year:
2024,
Volume and Issue:
12(9), P. 643 - 643
Published: Aug. 31, 2024
The
spatial
characteristics,
pollution
sources,
and
risks
of
soil
heavy
metals
were
analyzed
on
Hainan
Island.
results
showed
that
the
heavily
polluted
points
accounted
for
0.56%,
number
mildly
above
15.27%,
respectively,
which
mainly
distributed
in
northern
part
study
area.
principal
component
analysis-absolute
score-multiple
linear
regression
(APCS-MLR)
positive
matrix
factorization
(PMF)
revealed
four
sources
metals:
agricultural
cadmium,
(Cd),
industrial
mining
arsenic,
(As),
transportation
zinc
lead
(Zn
Pb),
natural
chromium,
nickel,
copper
(Cr,
Ni,
Cu).
human
health
risk
assessment
indicated
average
non-carcinogenic
(HI)
both
adults
children
was
within
safe
threshold
(<1),
whereas
Cr
Ni
posed
a
carcinogenic
(CR)
to
health.
In
addition,
total
(THI)
potential
children,
while
(TCR)
remained
relatively
high,
Monte
Carlo
simulation
all
<1,
but
index
>1,
indicating
threshold.
Meanwhile,
nearly
100%
99.94%
TCR
values
exceeded
1
×
10
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.
