Code of Massachusetts Regulations
105 CMR - DEPARTMENT OF PUBLIC HEALTH
Title 105 CMR 120.000 - The Control of Radiation
REPORTS
Section 120.673 - Operating, Safety, and Emergency Procedures
Universal Citation: 105 CMR 120.000 MA Code of Regs 120.673
Current through Register 1531, September 27, 2024
(A) The licensee shall have and follow written operating procedures for:
(1)
Operation of the irradiator, including entering and leaving the radiation
room;
(2) Use of personnel
dosimeters;
(3) Surveying the
shielding of panoramic irradiators;
(4) Monitoring pool water for contamination
while the water is in the pool and before release of pool water to unrestricted
areas;
(5) Leak testing of
sources;
(6) Inspection and
maintenance checks required by
105 CMR
120.681;
(7) Loading, unloading, and repositioning
sources, if the operations will be performed by the licensee; and,
(8) Inspection of movable shielding required
by
105 CMR
120.643(H), if
applicable.
(B) The licensee shall have and follow emergency or abnormal event procedures, appropriate for the irradiator type, for:
(1)
Sources stuck in the unshielded position;
(2) Personnel overexposures;
(3) A radiation alarm from the product exit
portal monitor or pool monitor;
(4)
Detection of leaking sources, pool contamination, or alarm caused by
contamination of pool water;
(5) A
low or high water level indicator, an abnormal water loss, or leakage from the
source storage pool;
(6) A
prolonged loss of electrical power;
(7) A fire alarm or explosion in the
radiation room;
(8) An alarm
indicating unauthorized entry into the radiation room, area around pool, or
another alarmed area;
(9) Natural
phenomena, including an earthquake, a tornado, flooding, or other phenomena as
appropriate for the geographical location of the facility; and,
(10) The jamming of automatic conveyor
systems.
(C) The licensee may revise operating, safety, and emergency procedures without Agency approval only if all of the following conditions are met:
(1) The revisions do not reduce the safety of
the facility;
(2) The revisions are
consistent with the outline or summary of procedures submitted with the license
application;
(3) The revisions have
been reviewed and approved by the radiation safety officer; and
(4) The users or operators are instructed and
tested on the revised procedures before they are put into use.
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