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1 5
EMF Information
Considerations About
Welding
And The Effects Of Low
Frequency
Electric And
Magnetic
Fields
The
following
is
a
quotation
from the General Conclusions Section of
the U.S.
Congress,
Office of
Technology
Assessment,
Biological
Effects of Power
Frequency
Electric &
Magnetic
Fields
Background
Pape,
OTA-BP-E-53
(Washington,
DC: U.S. Government
Printing
Office,
May 1989):.
.
.
there is
now
a
very
large
volume of scientific
findings
based
on
experiments
at the cellular
level and from studies
with animals and
people
which
clearly
establish that low
frequency
magnetic
fields
can
interact
with,
and
produce changes
in,
biological
systems.
While most of this work is of
very
high
quality,
the results
are
complex.
Current scientific
understanding
does not
yet
allow
us
to in
terpret
the evidence in
a
single
coherent framework. Even
more
frustrating,
it does not
yet
allow
us
to draw
definite conclusions about
questions
of
possible
risk
or
to offer clear
science-based advice
on
strategies
to
minimize
or
avoid
potential
risks.
To reduce
magnetic
fields in the
workplace,
use
the
following
procedures:
1.
Keep
cables close
together by twisting
or
taping
them.
2.
Arrange
cables
to
one
side and away from the
operator.
3.
Do
not
coil
or
drape
cables around the
body.
4.
Keep welding
power
source
and cables
as
far away from opera
tor
as
practical.
5.
Connect work
clamp
to
workpiece
as
close
to
the weld
as
possible.
About Pacemakers:
The above
procedures
are
also
recommended
for
pacemaker
wearers.
Consult your doctor for
complete
information.
4
OM-2217
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