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DOE-HDBK-1109-97
Radiological Safety Training for Radiation-Producing (X-Ray) Devices
Instructor's Guide
Lesson Plan
Instructor's Notes
iii. Early Signs and Symptoms of Accidental Exposure
to X-Rays.
Note: the doses discussed in this section are
localized shallow skin doses and/or localized doses,
but not whole body doses. Whole body deep doses
of this magnitude would likely be fatal. Accidental
exposures from RPDs are generally localized to a
small part of the body.
~600 rad. An acute dose of about 600 rad to a part
of the body causes a radiation burn equivalent to a
first-degree thermal burn or mild sunburn.
Typically there is no immediate pain that would
cause the participants to pull away, but a sensation
of warmth or itching occurs within a few hours after
exposure. An initial reddening or inflammation of
the affected area usually appears several hours after
exposure and fades after a few more hours or days.
The reddening may reappear as late as two to three
weeks after the exposure. A dry scaling or peeling
of the irradiated portion of the skin is likely to
follow.
If the participants have been working with or
around an X-ray device and the participants notice
an unexplained reddening of the skin, notify the
supervisor and the Occupational Medicine Group.
Aside from avoiding further injury and guarding
against infection, further medical treatment will
probably not be required and recovery should be
fairly complete.
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