Journal of Hazardous Materials,
Год журнала:
2024,
Номер
481, С. 136495 - 136495
Опубликована: Ноя. 13, 2024
Tire
and
road
wear
particles
are
a
major
source
of
microplastics
to
urban
stormwater.
They
composed
hetero-aggregates
abraded
tire
pavement
that
difficult
distinguish.
While
is
known
microplastics,
little
on
the
contribution
wear.
This
two-year
field
study
with
complementary
lab
testing
evaluates
effects
degradation
microplastic
generation
in
stormwater
from
different
types:
asphalt,
concrete,
recycled
rubber
pavers.
Pavement
specimens
each
site
were
collected
underwent
testing.
We
directly
demonstrated
separate
showed
released
most
testing,
suggesting
formulation
such
novel
recycled-tire
pavers
must
undergo
thorough
before
wide
application.
The
asphalt
was
susceptible
rutting
field,
including
large
proportion
particles.
Both
land-use
surface
characteristics
influenced
generation.
These
results
demonstrate
need
consider
during
material
selection
mitigate
spread
nearby
environments.
Marine Pollution Bulletin,
Год журнала:
2023,
Номер
196, С. 115633 - 115633
Опубликована: Окт. 19, 2023
The
production
and
consumption
of
plastic
products
had
been
steadily
increasing
over
the
years,
leading
to
more
waste
entering
environment.
Plastic
pollution
is
ubiquitous
comes
in
many
types
forms.
To
enhance
or
modify
their
properties,
chemical
additives
are
added
items
during
manufacturing.
presence
leakage
these
additives,
from
managed
mismanaged
waste,
into
environment
growing
concern.
In
this
study,
we
gauged,
via
an
online
questionnaire,
expert
knowledge
on
use,
characteristics,
monitoring
risks
marine
We
analysed
survey
results
against
actual
data
identify
prioritise
gaps.
Participants
also
highlighted
key
factors
for
future
consideration,
including
gaining
a
deeper
understanding
use
how
they
leach
throughout
entire
lifecycle,
toxicity,
safety
alternative
options.
More
extensive
regulation
evaluation
essentiality
should
be
considered.
PeerJ,
Год журнала:
2024,
Номер
12, С. e17384 - e17384
Опубликована: Май 20, 2024
Plastic
pollution
in
terrestrial
wildlife
represents
a
new
conservation
challenge,
with
research
this
area,
especially
within
protected
areas
(PAs),
being
scant.
This
study
documents
the
accumulation
of
microplastics
(MPs)
both
inside
and
outside
PAs
western
Thailand.
Carcasses
road-killed
vertebrates
good
condition,
as
well
live
tadpoles,
were
collected
to
examine
their
exposure
plastic
pollution.
The
digestive
tracts
vertebrate
carcasses
entire
bodies
tadpoles
analyzed
for
MPs,
which
identified
if
they
measured
over
50
µm.
A
total
136
individuals
from
48
species
examined.
sample
comprised
snakes
(44.12%),
birds
(11.03%),
lizards
(5.15%),
(32.25%),
amphibians
(5.88%),
mammals
(1.47%).
In
total,
387
MPs
found
44
(91.67%),
an
average
occurrence
3.25
±
3.63
per
individual
or
0.05
0.08
gram
body
weight.
quantities
significantly
varied
among
animal
groups,
terms
number
(
p
<
0.05)
weight
0.01).
Furthermore,
significant
difference
MP
was
observed
between
specimens
on
basis
0.05),
but
not
=
0.07).
Most
fibers
(77%),
followed
by
fragments
(22.22%),
only
minimal
presence
film
(0.52%)
foam
(0.26%).
Of
all
identified,
36.84%
confirmed
plastics
made
natural
materials,
31.58%
plastics,
including
Polyethylene
(PE),
polyethylene
terephthalate
(PET),
polypropylene
(PP),
Polyvinylidene
chloride
(PVDC),
polyester
(PES).
Additionally,
cotton,
those
containing
polyurethane
(PU),
rayon,
PES,
combinations
rayon
PU,
identified.
influenced
weight,
factors
associated
human
settlement/activity,
land
use
types.
Our
findings
highlight
prevalence
Thai
PAs.
Further
toxicological
studies
are
required
establish
standards.
It
is
proposed
that
snakes,
obtained
road
kills,
could
serve
non-invasive
method
monitoring
pollution,
thus
acting
indicator
threat
ecosystems.
There
urgent
need
standardization
solid
waste
management
at
garbage
dump
sites
remote
areas,
Conservation
education
focusing
occurrence,
potential
sources,
impacts
enhance
awareness,
thereby
influencing
changes
behaviors
attitudes
toward
household
level.
TrAC Trends in Analytical Chemistry,
Год журнала:
2024,
Номер
178, С. 117824 - 117824
Опубликована: Июнь 18, 2024
Microplastics
in
urban
stormwater
is
one
of
the
main
sources
microplastics
aquatic
systems,
however,
has
rarely
been
reviewed
systematically.
Microplastic
abundance
ranges
for
and
sediment
was
0.02-15499
items/L
106.00-109089
items/kg,
respectively.
The
highest
average
(7740.45±10901.54
items/L)
obtained
mean
microplastic
concentrations
found
samples
collected
Italy.
Stormwater
analyzed
Sao
Paulo,
South
Africa
reported
109089
items/kg.
Although
numerous
morphologies
were
detected
sediment,
fibers/lines
most
common.
Polyethylene
prevalently
global
systems.
Black
abundant
color
among
microplastics.
Majority
ranged
from
100
μm
to
500
μm.
This
review
present
environmental
fate
behavior
runoff
suggested
directions
future
research
regarding
approaches
more
robust
data
through
standardized
extraction
protocols.
Journal of Hazardous Materials Advances,
Год журнала:
2024,
Номер
14, С. 100418 - 100418
Опубликована: Март 3, 2024
Dust
storms,
increasingly
prevalent
due
to
anthropogenic
climate
change,
pose
a
significant
environmental
hazard
by
facilitating
the
long-range
transport
of
contaminants,
including
ubiquitous
microplastics
(MPs).
These
plastic
particles,
originating
from
diverse
sources
such
as
road
dust
and
landfills,
readily
adsorb
other
harmful
substances
during
storm
events,
potentially
amplifying
their
health
impacts.
This
comprehensive
review
critically
examines
multifaceted
exposure
pathways
dust-associated
MPs,
elucidating
crucial
role
vectors
for
pollutant
dispersal.
While
preliminary
studies
on
cell
lines
suggest
potential
carcinogenic
effects,
robust
evidence
linking
MP
cancer
development
in
humans
remains
limited.
Further
research
is
essential
fully
comprehend
long-term
implications
these
contaminants.
Recognizing
analytical
challenges
posed
ubiquity
complex
nature
meticulously
evaluates
current
detection
techniques
various
matrices,
highlighting
both
advancements
limitations.
Fourier-Transform
Infrared
Spectroscopy
(FTIR)
emerges
preeminent
tool
its
broad
applicability
operational
ease,
alternative
approaches
like
Laser
Direct
Imaging
(LDIR),
Raman
micro-spectrometry,
niche
thermogravimetric
analyzers
coupled
with
mass
spectrometers
(TGA-MS)
hot
needle
tests
demonstrate
specific
applications.
By
comprehensively
revealing
alarming
rise
MPs
intricate
complexities
detection,
this
aims
stimulate
effective
mitigation
strategies
inform
further
into
consequences.
