Frontiers in Earth Science,
Год журнала:
2024,
Номер
12
Опубликована: Сен. 27, 2024
Introduction
The
groundwater
in
arid
countries
such
as
Egypt
represent
the
main
water
resources
desert
regions
due
to
long
distance
between
these
(oasis)
and
Nile
River.
Contamination
of
limited
with
toxic
metals
threaten
health
individuals
regions.
Methods
current
study
integrates
isotopic
tracers,
hydrogeochemistry,
geophysical
logs,
positive
matrix
factorization
(PMF
model),
Monte
Carlo
(MCS)
simulation
for
pollution
source
apportionment
risks
associated
heavy
Nubian
Sandstone
aquifer
(NSSA).
Results
Discussion
resource
used
drinking
purposes
(NSSA)
is
pale
meteoric
(non-rechargeable
aquifer).
Silicate
weathering,
old
trapped
sea
water,
reverse
ion
exchange
evaporation,
dissolution
are
dominant
mechanisms
controlling
chemistry.
PMF
model
showed
that
major
ions
NSSA
originated
from
four
significant
sources
(anthropogenic
activities,
minerals,
iron-bearing
mixing
seawater,
hydrothermal
water).
total
risk
(HI)
oral
values
highlighted
non-carcinogenic
dangers
adults
children
through
exposure.
At
same
time,
dermal
contact
posed
a
no
high
children.
Most
samples
had
carcinogenic
(CR)
higher
than
allowed
limits
(1.0E-4)
like
Cadmium,
chromium,
lead,
suggesting
effects
across
all
age
groups.
approach-based
concern
evaluation
assessed
5th
%
CR
(child)
0.00012,
0.0036,
0.0088
Cd,
Cr,
Pb,
respectively,
indicating
more
potential
Urgent
comprehensive
treatment
measures
imperative
mitigate
identified
area.
Geosystems and Geoenvironment,
Год журнала:
2023,
Номер
2(4), С. 100210 - 100210
Опубликована: Май 20, 2023
Different
natural
and
anthropogenic
processes
cause
pollution
of
various
water
bodies
worldwide
creating
numerous
health
problems
for
humans.
This
causes
serious
concern
as
is
a
basic
necessity
to
all
living
beings,
needs
be
adequately
monitored
managed
prevent
its
contamination.
If
found
contaminated,
the
cleaned
using
suitable
treatment
methods
keeping
in
view
WHO
regulations
before
it
intended
purpose
(drinking,
irrigation,
etc.).
Application
different
ICP-MS
techniques
such
classical
ICP-MS,
ICP-MS/MS,
ICP-TOF-MS,
HR-ICP-MS,
MH-ICP-MS,
MC-ICP-MS
qualitative
quantitative
determination
toxic
metals,
isotopes
and,
metal
species,
effective
monitoring
other
pollutants
drinking
water,
surface
groundwater,
industrial
effluents,
used
aquaculture
industries
focal
point
this
article.
In
general,
concentrations
major,
minor,
trace
element
composition
samples
are
influenced
mainly
by
bedrock
geology
emergence,
well
residence
time
depth
aquifer.
For
better
management
resources,
necessary
have
comprehensive
understanding
quality
(with
respect
physical,
chemical,
biological)
requirements,
sustainability
groundwater
from
particular
source.
Identifying
sources
contamination,
risks
associated,
application
technique(s)
supplied
public
consumption.
It
also
intensify
our
studies
on
species
(e.g.,
As3+,
Cr6+
methyl
mercury)
their
effects
human
health,
regulatory
limits
water.
