Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 8, 2024
Abstract
Trace
metals
(Li,
B,
Na,
Mg,
Al,
K,
Ca,
Ti,
Cr,
Mn,
Fe,
Co,
Ni,
Cu,
Zn,
Ga,
Se,
Sr,
Ag,
Cd,
In,
Ba,
Hg,
Pb,
Bi)
in
surface
sediments
of
the
Nile
Delta
coastal
area
between
Western
Harbor
and
Bardaweel
Lagoon
were
evaluated.
The
ecological
risk
assessment
was
evaluated
by
Contamination
degree
(
C
d
),
Geoaccumulation
Factor
I
geo
Enrichment
EF
CF
Hazard
Quotient
(HQ)
Pollution
Load
Index
PLI
).
values
are
sequence:
Cr
>
Pb
Ni
Zn
Cu
Mn.
studied
locations
unpolluted
with
(I
≤0)
(>
1.5).
Significant
correlations
reported
concentrations
Co
suggesting
similar
sources.
HQ
indicate
low
for
children
3–4
adult
values.
Using
principal
component
analysis
(PCA),
sources
heavy
categorized.
Water Science & Technology Water Supply,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
ABSTRACT
Safe
water
quality
is
essential
for
human
consumption.
Therefore,
this
study
aimed
to
investigate
and
health
risks,
including
the
hazard
quotient
(HQ)
index
(HI).
Samples
were
collected
from
six
sites
(S1–S6)
of
groundwater
resources,
aqueducts
(Ganats),
cisterns,
distribution
network
Gonabad
city
in
autumn
2023.
Data
(WQI)
show
that
distribution,
cisterns
(site
2
site
3),
Ganats
1),
cistern
1)
have
good
(WQI
<
50),
poor
50–75),
very
>
75)
drinking
purposes,
respectively.
The
results
risk
models
indicate
HQ
value
exceeds
World
Health
Organization
recommendations
children
at
S5.
Moreover,
total
(THI)
levels
ranged
0.19
0.937
adults
0.51
2.45
children.
Notably,
outcomes
indicated
more
susceptible
non-carcinogenic
hazards
than
(THI
1).
In
conclusion,
it
recommended
immediate
action
be
taken
address
resources
protect
public
health,
with
a
particular
focus
on
implementing
measures
reduce
exposure
