Radiological impact of the operation of two Steam Power Plants on the activity levels of 232Th, 226Ra and 40K in the sediments at Semarang and Cirebon, Indonesia
Abstract
The
radiological
concentration
and
distribution
of
natural
radionuclides
232Th,
226Ra,
40K
in
the
surface
sediments
two
steam
power
plants
(SPP)
vicinity
were
investigated.
Sediment
samples
analyzed
for
radionuclides,
organic
matter,
grain
size
composition.
average
activity
226Ra
Semarang
are
71.485
Bq·kg−1;
29.645
Bq·kg−1
570.459
Cirebon
90.593
41.709
725.788
Bq·kg−1,
respectively.
According
to
Indonesian
standards
concentrations
still
below
recommended
values.
radionuclide
levels
influenced
more
by
proximity
coal
resources,
than
other
factors
such
as
content,sediment
texture,
hydrodynamic
processes.
These
data
can
be
considered
baseline
this
region
used
reference
or
information.
Thus,
obtained
study
did
not
show
any
significant
health
risk
ecosystem
nearby
areas
SPP.
Radiological
parameters
absorbed
dose
rate
(Din),
utilization
index
(AUI),
annual
effective
equivalent
(AEDEin),
gonadal
(AGDE),
radium
(Raeq),
hazard
indices
(Hex,
Hin)
showed
some
excess
values
when
compared
standards.However,
they
comparable
from
parts
world.
Research Square (Research Square), Год журнала: 2024, Номер unknown
Опубликована: Июнь 4, 2024
Язык: Английский
