Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
Triazine
herbicides
(THs)
are
used
globally
to
control
weeds
in
urban
environments,
but
their
transformation
products
(TPs)
rarely
considered
due
the
lack
of
reference
standards.
In
this
study,
a
total
41
TPs
were
found
wastewater
influents
and
effluents
28
municipal
treatment
plants
(MWWTPs)
from
six
cities
China
by
integrating
suspect
screening
(36
TPs),
molecular
networking
(9
diagnostic
fragment
searching
(12
TPs).
Among
these,
36
detected
for
first
time
aquatic
reported
environments.
Polar
THs
only
partially
removed
aqueous
phase
process.
Concentrations
present
ranged
107
435
ng/L.
Thus,
discharged
pose
medium
risk
freshwater
algae
receiving
waters.
Moreover,
4
(ametryne,
atrazine,
terbutryn,
prometryne)
3
(atrazine-desisopropyl,
TP247,
TP258)
significant
risks
several
effluents.
Considering
persistent
mobile
properties
ecological
TPs,
these
contaminants
should
be
specifically
further
environmental
monitoring
included
regulation.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(14), С. 6402 - 6414
Опубликована: Март 28, 2024
Limited
knowledge
on
the
structure
of
emerging
organophosphorus
compounds
(OPCs)
hampers
our
comprehensive
understanding
their
environmental
occurrence
and
potential
risks.
Through
suspect
nontarget
screening,
combining
data-dependent
acquisition,
data-independent
parallel
reaction
monitoring
modes,
we
identified
60
OPCs
(17
traditional
43
compounds)
in
effluents
14
wastewater
treatment
plants
(WWTPs)
Beijing
Qinghai,
China.
These
comprise
26
organophosphate
triesters,
17
diesters,
6
organophosphonates,
7
organothiophosphate
esters,
4
other
OPCs.
Notably,
were
newly
WWTP
effluents,
16
discovered
matrices.
Specifically,
cyclic
phosphonate,
(5-ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl
dimethyl
phosphonate
P-oxide
(PMMMPn),
consistently
appeared
all
with
semiquantitative
concentrations
ranging
from
44.4
to
282
ng/L.
Its
analogue,
di-PMMMPn,
presented
93%
samples.
Compositional
differences
between
two
cities
mainly
attributed
Hazard
ecological
risk
assessment
underscored
substantial
contribution
chlorinated
esters
overall
risks
effluents.
This
study
provides
most
OPC
profiles
date,
highlighting
need
for
further
research
occurrence,
fate,
risks,
particularly
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
280, С. 116513 - 116513
Опубликована: Май 31, 2024
In
Canada,
every
day,
contaminants
of
emerging
concern
(CEC)
are
discharged
from
waste
treatment
facilities
into
freshwaters.
CECs
such
as
pharmaceutical
active
compounds
(PhACs),
personal
care
products
(PCPs),
per-
and
polyfluoroalkyl
substances
(PFAS),
microplastics
legally
sewage
plants
(STPs),
water
reclamation
(WRPs),
hospital
wastewater
(HWWTPs),
or
other
forms
(WWTFs).
2006,
the
Government
Canada
established
Chemicals
Management
Plan
(CMP)
to
classify
chemicals
based
on
a
risk-priority
assessment,
which
ranked
many
PhACs
being
low
urgency,
therefore
permitting
these
continue
released
environment
at
unmonitored
rates.
The
problem
with
ranking
priority
is
that
CMP's
risk
management
assessment
overlooks
long-term
environmental
synergistic
effects
PhAC
accumulation,
antibiotic
CEC
accumulation
in
spread
resistance
genes.
goal
this
review
specifically
investigate
associated
risks
human
health,
well
determine
whether
appropriate
legislative
strategies
place
within
Canada's
governance
framework.
research,
secondary
data
levels
Canadian
international
wastewaters,
their
potential
promote
antibiotic-resistant
residues,
short-
risks,
were
all
considered.
Unlike
similar
past
reviews,
employed
an
interdisciplinary
approach
propose
new
perspectives
science,
engineering,
law.
Deleted Journal,
Год журнала:
2025,
Номер
7(3), С. 92 - 100
Опубликована: Янв. 1, 2025
Residual
antimicrobial
agents
in
wastewater
and
solid
waste
from
manufacturing
facilities
can
potentially
contaminate
environments.
The
World
Health
Organization
has
established
technical
guidelines
for
managing
resistance
(AMR)
pharmaceutical
waste.
However,
the
scarcity
of
publicly
available
data
on
processes
impedes
development
effective
mitigation
strategies.
To
address
this
knowledge
gap,
we
developed
a
comprehensive
database
documenting
antibiotics
antibiotic
genes
(ARGs)
actual
samples,
primarily
fermentation
residues.
Through
systematic
review
methodology,
compiled
extensive
searches
English-language
article
databases,
including
Web
Science
PubMed.
contains
270
distinct
samples
collected
across
45
residue
treatment
systems
46
systems,
derived
70
published
articles
spanning
2008
to
2024.
In
operational
facilities,
concentrations
ranged
82
1,663
mg/L
raw
1,000
10,182
mg/kg
dry
matter
(DM)
Various
technologies
demonstrated
significant
reductions
both
ARG
levels
within
wastes.
This
provides
first
global
perspective
contamination
production
processes,
supporting
AMR
management
initiatives.
It
establishes
dynamic,
continuously
updated
platform
accessible
researchers
industry
stakeholders
via
link:
https://dash.drwater.net/antiboard/.
