Chemosphere,
Journal Year:
2018,
Volume and Issue:
212, P. 254 - 261
Published: Aug. 20, 2018
UV
absorbing
compounds
are
of
emerging
concern
due
to
their
large
production
volumes,
persistence
or
pseudo-persistence,
and
potential
adverse
effects.
This
is
the
first
study
investigating
environmental
occurrence
hazard
organic
stabilizers
filters
in
North
Baltic
Sea
surface
sediments,
including
connecting
Skagerrak
Kattegat
straits.
In
total,
nineteen
substances
were
identified
over
entire
area,
rarely
studied
ethylhexyl
triazone
(EHT)
bisoctrizole
(UV-360).
Octocrylene
(OC)
was
predominant
compound
this
with
regard
detection
frequency
(79%)
concentrations
(up
9.7
ng/g
dw).
OC
accounted
for
more
than
65%
stabilizer
contamination
German
Bight.
The
triazine
derivative
EHT
quantified
Rhine-Meuse-Delta
Bight
up
2.0
dw.
Sea,
benzotriazole
60%
contamination,
UV-360
as
main
substance.
estimated
quotients
indicated
a
negligible
impact
on
benthic
sediment-dwelling
organisms
Seas.
Region-specific
pattern
riverine
influences
revealed.
results
suggest
that
both
direct
indirect
sources
contribute
filter
area.
Environmental Science & Technology,
Journal Year:
2020,
Volume and Issue:
54(15), P. 9345 - 9355
Published: July 16, 2020
The
present
study
provides
a
comprehensive
investigation
of
three
suites
commonly
used
synthetic
additives:
phenolic
and
amino
antioxidants
ultraviolet
filters.
concentrations
47
such
compounds
their
transformation
products
were
measured
in
20
atmospheric
particle
samples
collected
Chicago,
21
Canadian
e-waste
dust
samples,
32
United
States'
residential
10
sediment
from
the
Chicago
Sanitary
Ship
Canal.
Despite
large
production
volumes
States,
environmental
data
on
UV
filters
North
America
is
limited.
These
detected
all
indicating
ubiquitous
distribution
American
environment.
most
prevalent
2,6-di-t-butyl-p-benzoquinone,
diphenylamine,
4,4′-di-t-octyl
2,4-dihydroxybenzophenone,
2-hydroxy-4-methoxybenzophenone.
contained
significantly
greater
total
these
than
dust,
while
intermediate
levels
States
dust.
showed
relatively
high
N,N′-diphenylbenzidine,
source
which
unclear,
some
benzotriazole
Daily
intake
rates
by
ingestion
for
ranged
1–10
ng/(kg·day)
adults
to
10–100
toddlers.
Due
wide
both
ambient
built
environments,
future
research
potential
toxic
effects
people
ecosystems
important.
Emerging contaminants,
Journal Year:
2021,
Volume and Issue:
7, P. 43 - 51
Published: Jan. 1, 2021
Non-steroidal
anti-inflammatory
drugs
(NSAIDs)
(aspirin,
ibuprofen,
naproxen,
ketoprofen,
and
diclofenac)
were
determined
in
three
selected
wastewater
treatment
plants
(WWTPs)
southwestern
India
the
Gurupura
River.
The
concentrations
of
NSAIDs
influents
WWTPs
ranged
125–184
μg/L
for
aspirin,
5–22
11–217
3–41
ketoprofen
12–68
diclofenac.
In
effluents,
0.4–0.7
0.1–2
3–14
0.6–0.8
2–26
found
order
aspirin
>
naproxen
diclofenac
ibuprofen.
river,
(0.02
μg/L),
ibuprofen
(0.17
(8.8
(1.5
μg/L)
(1.6
quantified.
Hazard
quotient
(HQ)
various
aquatic
organisms
calculated
effluents
river
water.
results
showed
medium
risk
to
polyp
Hydra
attenuata.
Continuous
discharge
into
can
result
adverse
effects
resident
organisms.
