Estimating the emission of microplastics from urban surfaces into the atmosphere using the PI-SWERL
Journal of Hazardous Materials,
Journal Year:
2025,
Volume and Issue:
unknown, P. 138170 - 138170
Published: April 1, 2025
Language: Английский
Microplastics in the Typical Mulched Farmland of Sichuan Province: Characteristics That Vary Across Farming Scales and the Risk Significantly Contributed by Priority Polymers
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(8), P. 3516 - 3516
Published: April 14, 2025
Microplastics
(MPs)
in
agricultural
soils
pose
risks
to
human
health
their
potential
accumulation
along
the
food
chain,
and
characteristics
require
further
understanding
implement
targeted
measures.
This
study
investigated
MP
typical
mulching
from
different
farming
scales
Sichuan
Province,
which
is
one
of
China’s
key
regions,
it
also
innovatively
measured
ecological
risk
by
incorporating
size
into
assessments.
The
sites
showed
average
microplastic
abundances
19696.81
±
13226.89,
these
were
dominated
small-sized
ethylene–propylene
copolymer
(E/P),
polypropylene
(PP),
polyethylene
(PE)
particles
yellow-to-brown
black-to-shallow-gray
soil.
Size-considered
evaluation
suggested
that
most
at
a
high
level
risk.
It
was
found
pollution
varies
with
scales.
Larger-scale
primarily
received
MPs
plastic
mulching,
while
smaller-scale
likely
affected
range
non-agricultural
sources.
assessment
significant
contributions
polyamide
(PA)
polyphenylene
sulfide
(PPS).
These
results
indicate
environmental
management
strategies
should
tailor
source
control
measures
according
prioritize
high-risk
polymers,
as
well
evaluations
include
“size”
“pollution
load”
“chemical
composition”
better
reflect
impact
on
ecosystems.
Language: Английский
Microplastics in plant-based foods in the city of Itacoatiara (AM), Brazil
Revista Brasileira de Ciências Ambientais,
Journal Year:
2025,
Volume and Issue:
60
Published: April 13, 2025
Microplastics
are
practically
ubiquitous
contaminants
in
all
environments
on
the
planet.
Therefore,
present
work
aimed
to
investigate
microplastic
contamination
lettuce,
chives,
and
cilantro
sold
Itacoatiara,
Central
Amazon,
Brazil.
Samples
of
each
vegetable
were
acquired
from
different
commercial
establishments.
The
samples
washed
with
filtered
distilled
water
remove
any
particles
surface
vegetables.
Hydrogen
peroxide
was
added
used
wash
vegetables
digest
organic
materials.
solution
stirred
daily
kept
an
oven
at
60°C.
separated
using
density
difference
technique.
In
total,
247
recorded.
There
no
significant
number
per
sample
three
types
size
also
did
not
differ
significantly
between
vegetables,
smallest
(0.067
mm)
largest
(4.865
being
found
lettuce.
proportion
colors
recorded
varied
significantly.
Blue
red
predominant,
a
greater
abundance
blue
(n=207;
83.8%).
particle
formats,
fibers
(n=235;
95.1%)
more
representative
than
fragments
(n=12;
4.9%).
Thus,
it
can
be
confirmed
that
Amazon
contaminated,
consequently
unsafe
for
direct
human
consumption,
require
washing
plenty
running
eliminate
before
consumed
fresh.
Language: Английский