Subpart 1.
Standard radiation symbol and labeling.
Each radiation sign or label must bear the standard symbol
specified in this subpart and the printed warning, in capital block letters,
specified in subpart 4. The standard symbol for designating any radiation
hazard is a circle with three propeller-like blades arranged around it as
illustrated:
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A. cross-hatched
area shall be magenta, purple, or black; and
B. the background shall be yellow.
Subp. 2.
Additional
information on signs and labels.
In addition to the contents of signs and labels prescribed in
this part, the registrant must provide, on or near the required signs and
labels additional information, as appropriate, to make individuals aware of
potential radiation exposures and to minimize the exposures.
Subp. 3.
Prohibitions on use of
symbol.
The use of the specified radiation symbol for any purpose
other than designating or referring to an area of applicable radiation levels
is prohibited.
Subp. 4.
Posting and labeling requirements.
Conspicuous radiation warning labels must be posted in areas
in which a radiation hazard may exist.
A. The warning "CAUTION RADIATION AREA" or
"DANGER RADIATION AREA" must appear on signs in an area in which a radiation
hazard may exist.
B. The warning
"CAUTION HIGH RADIATION AREA" or "DANGER HIGH RADIATION AREA" must appear on
signs in an area in which a high radiation hazard may exist.
C. The warning "CAUTION VERY HIGH RADIATION
AREA" or "DANGER VERY HIGH RADIATION AREA" must appear on signs in an area in
which a very high radiation hazard may exist.
D. Analytical ionizing radiation-producing
equipment complying with part 4732.1000 must be labeled with a readily
discernible sign or signs bearing the radiation symbol and the words:
(1) "CAUTION - HIGH INTENSITY X-RAY BEAM," or
words having a similar intent, on the radiation-producing equipment housing;
or
(2) "CAUTION RADIATION - THIS
EQUIPMENT PRODUCES IONIZING RADIATION WHEN ENERGIZED," or words having a
similar intent, by any switch that energizes an x-ray tube.
Subp. 5.
Exceptions to posting requirements.
A. A registrant is not required to post
caution signs because of the presence of radiation machines used solely for
diagnosis in the healing arts.
B.
Rooms in hospitals or clinics that are used for teletherapy are exempt from the
requirement to post caution signs under this part if:
(1) access to the room is controlled
according to part 4732.0620; and
(2) personnel in attendance take necessary
precautions to prevent the inadvertent exposure of workers, other patients, and
members of the public to radiation in excess of the limits established in this
chapter.
Notes
Minn. R. agency
144, ch. 4732, SHIELDING REQUIREMENTS, pt.
4732.0385
32 SR
777
Statutory Authority: MS s
144.12
