32 Ill. Adm. Code 340.930
Exceptions to Posting Requirements
Section 340
Section 340.930 Exceptions
to Posting Requirements
a) A licensee or registrant is not required to post caution signs
in areas or rooms containing sources of radiation for periods of less than 8
hours, if each of the following conditions is met:
1) The sources of radiation are constantly attended during these
periods by an individual who takes the precautions necessary to prevent the
exposure of individuals to sources of radiation in excess of the limits
established in this Part; and
2) The area or room is subject to the licensee's or registrant's
control.
b) Rooms or other areas in hospitals that are occupied by
patients are not required to be posted with caution signs pursuant to Section
340.920 of this Part provided that the patient door posting requirements of 32
Ill. Adm. Code 335.5030(a)(5) or 335.7030(b) are met.
c) Rooms or other areas in hospitals that are occupied by
patients are not required to be posted with caution signs, provided that:
1) A patient being treated with a permanent implant could be
released from confinement pursuant to 32 Ill. Adm. Code 335.2110; or
2) A patient being treated with a therapeutic radiopharmaceutical
could be released from confinement pursuant to 32 Ill. Adm. Code 335.5030(b).
d) A room or area is not required to be posted with a caution
sign because of the presence of a sealed source provided the radiation level at
30 centimeters (12 inches) from the surface of the sealed source container or
housing does not exceed 0.05 mSv (0.005 rem) per hour.
e) A room or area is not required to be posted with a caution sign
because of the presence of radiation machines used solely for diagnosis in the
healing arts.
f) If a room or area in which radioactive material or radiation
machines are used for the treatment of patients is required to be posted with
the words, "GRAVE DANGER, VERY HIGH RADIATION AREA" in accordance
with 340.920(c) of this Part, the following words may be substituted: "DANGER,
VERY HIGH RADIATION AREA"
.