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|  I.
Introduction
10 CFR Part 835, Occupational Radiation
Protection, specifies contamination control
requirements in Subpart L. DOE G441.1-9,
Radioactive Contamination Control Guide, provides
guidance on meeting the requirements. Chapters 3
and 4 of DOE-STD-1098-99, Radiological Control,
also provide guidance on meeting the requirements
and additional information for implementing an
effective contamination control program. All of
these documents should be reviewed prior to
conducting an assessment.
II.
Contamination containment and temporary control
measures
Minimization of internal dose
The minimization and control of internal dose
should be conducted in accordance with the
following hierarchy of controls:
1. Engineered controls, including containment
of radioactive material at the source
wherever applicable, should be the primary
method of minimizing airborne radioactivity
and internal dose to workers.
Engineered controls are devices such as
glove boxes, glove bags, portable filtration
units, and containment tents. They should
be used to prevent worker inhalation of
radionuclides.
Portable and fixed/permanent shielding using
dense materials (lead) or portable plastic
interlocking fluid filled containers are also
engineered features, used to minimize
external radiation dose.
Module 10 - 1
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