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|  Radiological Assessor Training
DOE-HDBK-1141-2001
Instructor's Guide
7.
In vitro urine bioassay samples were obtained
from the individuals involved in the incident, as
well as other individuals who were either
contaminated on previous shifts or involved in
surveying and decontaminating the area.
8.
Dosimeters were collected and monitored to
assist in determination of radiation dose.
9.
A walkdown of all plant boundary control stations
was performed by senior management to
determine location of substandard boundary
control stations.
10.
Efforts were initiated to determine other possible
sources of Th234 and Pa234m at other plant
locations.
11.
Actions were initiated to reduce the potential for
the spread of contamination from the UF6
cylinder pigtails during disconnection, gasket
replacement, and reconnection activities.
12.
Surveillance was established by line
management of exit monitoring stations.
13.
An investigation for an organizational finding was
initiated.
14.
A news release was issued.
15.
A plant announcement was made and a plant
bulletin was issued to emphasize the
seriousness of the situation and the need for
proper monitoring.
16.
Complete locker room surveys were performed
by Health Physics Technicians.
Module 16 11
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