Environmental Science & Technology,
Год журнала:
2023,
Номер
57(10), С. 4143 - 4152
Опубликована: Март 2, 2023
To
assess
the
contamination
and
potential
risk
of
snow
melt
with
polar
compounds,
road
background
was
sampled
during
a
melting
event
at
23
sites
city
Leipzig
screened
for
489
chemicals
using
liquid
chromatography
high-resolution
mass
spectrometry
target
screening.
Additionally,
six
24
h
composite
samples
were
taken
from
influent
effluent
wastewater
treatment
plant
(WWTP)
event.
207
compounds
least
detected
once
(concentrations
between
0.80
ng/L
75
μg/L).
Consistent
patterns
traffic-related
dominated
chemical
profile
(58
in
concentrations
1.3
to
μg/L)
among
them
2-benzothiazole
sulfonic
acid
1-cyclohexyl-3-phenylurea
tire
wear
denatonium
used
as
bittern
vehicle
fluids.
Besides,
analysis
unveiled
presence
rubber
additive
6-PPD
its
transformation
product
N-(1.3-dimethylbutyl)-N′-phenyl-p-phenylenediamine
quinone
(6-PPDQ)
known
cause
acute
toxicity
sensitive
fish
species.
The
also
149
other
such
food
additives,
pharmaceuticals,
pesticides.
Several
biocides
identified
major
contributors,
more
site-specific
occurrence,
toxic
risks
algae
(five
samples)
invertebrates
(six
samples).
Ametryn,
flumioxazin,
1,2-cyclohexane
dicarboxylic
diisononyl
ester
are
main
contributing
algae,
while
etofenprox
bendiocarb
found
contributors
crustacean
risk.
Correlations
WWTP
flow
rate
allowed
us
discriminate
urban
runoff
sources
dominant
sources.
Removal
rates
showed
that
some
largely
eliminated
(removal
higher
than
80%)
6-PPDQ,
others
persisted
WWTP.
Environmental Technology & Innovation,
Год журнала:
2022,
Номер
27, С. 102408 - 102408
Опубликована: Фев. 12, 2022
Environmental
pollution
of
microplastics
(MPs)
is
known
to
be
anthropogenically
mediated
menace
biosphere
and
becoming
a
debatable
concern
globally.
Large
quantities
plastic
fragments
are
left
behind
after
crop
cultivation.
The
leftover
debris,
gradually
degrade
into
minute
with
diameter
less
than
5
mm,
as
MPs.
MPs
responsible
for
many
changes
in
the
soil
physicochemical
characteristics,
including
porosity,
enzymatic
activities,
microbial
plant
growth,
yield.
Because
their
ubiquitous
nature,
high
specific
surface
area
strong
hydrophobicity,
play
an
important
role
transportation
toxic
chemicals
such
plasticisers,
polycyclic
aromatic
hydrocarbons
(PAHs),
antibiotics,
potentially
elements
(PTEs).
may
transported
deep
can
pollute
underground
water.
This
review
paper
investigates
deleterious
effects
on
environment,
microbes,
flora,
fauna
production,
highlights
general
concept
contamination
well
its
possible
environmental
consequences.
also
converses
some
key
areas
future
research
stakeholders
concerned
policymaking
The Science of The Total Environment,
Год журнала:
2021,
Номер
805, С. 150431 - 150431
Опубликована: Сен. 19, 2021
Research
on
microplastics
(MPs)
in
the
terrestrial
environment
is
currently
at
a
still
embryonal
stage.
The
current
knowledge
concerning
poorly
known
diffuse
sources
of
MPs
pollution
ecosystems
have
been
considered
this
work.
In
addition,
particular
focus
presence,
mechanism
absorption
and
effects
plants
has
also
provided.
urban
areas
their
intake
by
Tyre
Road
Wear
Particulates
(TWRP)
demonstrated
high
contribution
plastic
debris
to
microplastic
pollution,
although
quantification
these
inputs
challenging
assess
because
studies
are
very
few.
Around
50%
particles
expected
remain
roadside
soil,
while
rest
transported
away
runoff
with
concentrations
TRWP
size
ranging
between
0.02
0.1
mm.
Natural
anthropic
environments
like
temporary
ponds,
stormwater
retention
ponds
small
waterbodies
were
sensitive
connecting
rich
biodiversity
aquatic
environments.
Even
if
not
yet
exhaustive
just
eight
published
ecosystems,
considerable
values
already
observed
both
sediment
water
phase
ponds.
Although
explored,
agricultural
hide
significant
number
linked
mainly
activities
practices
(e.g.
mulch,
sewage
compost
fertilisation).
However,
transportation
processes
into
soil
understudied,
few
works
available.
Microplastics
primarily
nanoplastics
presence
was
common
edible
(fruit
vegetables)
alarming
Estimated
Daily
Intakes
from
2.96
×
1004
4.62
1005
(p
kg-1
day-1)
for
adults
depending
species.
adverse
growth,
photosynthetic
activity,
antioxidant
system
nutritional
several
fruits
vegetables
studies.
Environment International,
Год журнала:
2022,
Номер
171, С. 107715 - 107715
Опубликована: Дек. 22, 2022
Tire
wear
particles
(TWPs)
enter
road
surface
with
the
friction
between
tires
and
surfaces.
Under
volatilization,
leaching,
transformation
action
on
TWPs
by
sunlight
rain,
tire
additives
are
released
into
urban
water
systems,
such
as
rainfall
runoff,
wastewater
treatment
plants
(WWTPs),
receiving
waters,
drinking
plant
(DWTP).
In
this
study,
we
investigated
occurrence
of
23
their
products
in
system
Pearl
River
Delta
region,
South
China.
Nineteen
target
compounds
were
detected
1,3-Diphenylguanidine
(DPG)
showing
highest
maximum
concentration
58780
ng/L.
Benzothiazole
its
at
frequency
100
%
total
concentrations
480-42160
The
antioxidant
derivative
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine-quinone
(6PPD-Q)
was
also
up
to
1562
ng/L,
which
considerably
higher
than
that
parent
compound
6PPD
(the
7.52
ng/L).
Eleven
8
WWTPs
influents
effluents,
respectively,
removal
rates
-
62-100
%.
Seventeen
Zhujiang
Dongjiang
rivers,
while
9
sources
DWTP
samples.
Road
79200
is
suggested
main
non-point
source
for
effluents
point
due
incomplete
after
accepting
initial
runoff.
6PPD-Q
other
10
displayed
median
high
ecological
risks
human
daily
intake
estimated
be
2.63
×
Environment International,
Год журнала:
2022,
Номер
170, С. 107618 - 107618
Опубликована: Ноя. 3, 2022
Tire
wear
particles
(TWP)
are
assumed
to
be
one
of
the
major
sources
microplastic
pollution
environment.
However,
many
previously
published
studies
based
on
theoretical
estimations
rather
than
field
measurements.
To
increase
knowledge
regarding
actual
environmental
concentrations,
samples
were
collected
and
analyzed
from
different
matrices
in
a
rural
highway
environment
characterize
quantify
TWP
other
traffic-derived
non-exhaust
particles.
The
sampled
included
road
dust
(from
kerb
in-between
wheeltracks),
runoff
(water
sediment),
air.
In
addition,
airborne
deposition
was
determined
transect
with
increasing
distance
road.
Two
sieved
size
fractions
(2-20
µm
20-125
µm)
by
automated
Scanning
Electron
Microscopy/Energy
Dispersive
X-ray
spectroscopy
(SEM/EDX)
single
particle
analysis
classified
machine
learning
algorithm
into
following
subclasses:
TWP,
bitumen
(BiWP),
markings,
reflecting
glass
beads,
metals,
minerals,
biogenic/organic
relative
number
concentrations
(%)
showed
that
contained
highest
proportion
(up
38
%).
share
tended
higher
BiWP.
seasonal
BiWP
observed
coarse
(20-125
during
winter,
most
likely
studded
tire
use.
concentration
subclasses
within
PM80-1
decreases
road,
evidencing
traffic
as
main
emission
source.
results
confirm
surrounding
contain
microplastics
both
fractions.
finer
fraction
dominated
(by
mass,
volume,
number)
all
sample
matrices.
These
have
high
potential
transported
water
air
far
away
source
can
contribute
inhalable
(PM10)
This
highlights
importance
including
also
future
investigations.
Environmental Science & Technology Letters,
Год журнала:
2022,
Номер
9(5), С. 413 - 419
Опубликована: Апрель 12, 2022
Transformation
products
(TPs)
originating
within
tire
tread
wear
particles
(TWPs)
are
likely
pervasive
contaminants
of
roadway
environments
although
their
formation,
fate,
and
risks
poorly
characterized.
Here,
we
investigated
TP
formation
occurring
during
heterogeneous
reaction
gas-phase
ozone
with
the
common
rubber
antioxidant
6PPD
(N-(1,3-dimethylbutyl)-N′-phenyl-p-phenylenediamine);
exposures
included
both
pure
compound
TWP
rubbers.
Oxidative
transformation
occurred
ozonation
(∼360
ppbv),
up
to
81%
mass
reacting
over
6
h.
Conversion
6PPD-quinone
(6PPDQ)─a
recently
reported
highly
toxic
TP─was
confirmed
at
a
9.7%
molar
yield
for
0.95%
present
TWPs,
representing
minima
these
time
scales
conditions.
Leveraging
high-resolution
spectrometry,
identified
19
probable
6PPD-derived
TPs
in
ozonated
samples,
underscoring
diverse
from
this
antioxidant.
By
screening
environmental
nine
were
detected
runoff.
The
data
confirm
that
when
antioxidants
react
ozone,
as
intended,
they
form
release
various
surrounding
environments.
Environmental Pollution,
Год журнала:
2022,
Номер
308, С. 119707 - 119707
Опубликована: Июль 5, 2022
Airborne
microplastics
(MPs)
have
recently
drawn
the
attention
of
scientific
community
due
to
their
possible
human
inhalation
risk.
Indoor
environments
are
relevance
as
people
spend
about
90%
time
indoors.
This
study
evaluated
MPs
concentrations
in
three
indoor
environments:
houses,
public
transport
and
working
places,
which
representative
urban
life.
Sampling
involved
collection
airborne
particulate
matter
on
nylon
20
μm
pore
size
filters.
Samples
were
first
visually
inspected,
particles
characterized
(colour,
length
or
area).
Polymer
identification
was
performed
through
μFTIR
analysis.
Working
conditions
controlled
guarantee
quality
assurance
avoid
background
contamination.
Limits
detection,
recovery
tests
repeatability
with
home-made
polyethylene
(PE),
polypropylene
(PP),
polystyrene
(PS)
standards.
The
highest
average
MP
found
buses
(17.3
±
2.4
MPs/m3)
followed
by
5.8
1.9
MPs/m3
subways,
4.8
1.6
4.2
workplaces.
Polyamide,
PA
(51%),
polyester
PES
(48%)
PP
(1%)
polymers
identified
most
common
personal
care
products
synthetic
textiles.
Most
these
below
100
for
both
fibres
(64
8%)
fragments
(78
11%).
frequency
our
decreased
increasing
size,
points
potential
an
hazard.