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Technical Work Documents - doe-std-1098-99_reaffirmed_2004_120060
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Radiological Control - index
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Part 2 Work Preparation - doe-std-1098-99_reaffirmed_2004_120062


DOE-STD-1098-99
Radiological Control
Conduct of Radiological Work
June 2004
3.
When engineering and administrative controls have been applied and the potential for airborne radioactivity still
exists, respiratory protection should be used to limit internal exposures. Use of respiratory protection should be
considered under the following conditions:
a.
Entry into airborne radioactivity areas
b.
During breach of contaminated systems or components
c.
During work in areas or on equipment with removable contamination levels greater than 100 times the values
in Table 2-2
d.
During work on contaminated or activated surfaces with the potential to generate airborne radioactivity.
4.
The selection of respiratory protection equipment should include consideration of worker safety, comfort, and
efficiency. The use of positive pressure respiratory protection devices is recommended wherever practicable to
alleviate fatigue and increase comfort. See Chapter 5, Part 3, for additional guidance on respiratory protection.
5.
In specific situations, the use of respiratory protection may be inadvisable due to physical limitations or the
potential for significantly increased external exposure. In such situations, a formal radiological review should be
conducted in accordance with Article 312 to ensure measures are implemented to assess available options, monitor
and reduce worker exposure, and provide for follow-up monitoring, as required. Specific justification of the need
to accept the exposure, including a description of measures taken to mitigate the airborne radioactivity, should be
documented as part of the review process.
6.
The following controls are applicable to activities authorized in accordance with the above:
a.
Stay time controls to limit intake should be established for the entry
b.
Evaluation of workplace airborne radioactivity levels should be provided through the use of continuous air
monitors or air samplers with expedited assessment and analysis of results.
7.
When notified that an individual with an open wound wishes to enter an area where contact with radioactive
contamination is possible, a representative of the radiological control organization should examine the wound and
require appropriate measures to prevent the entry of radioactive contamination. These measures may be range from
requiring an appropriate bandage or other covering up to prohibiting access to affected areas until the wound has
healed. If other (non-radiological) hazards are present in the area to be entered, the individual should be directed to
contact the applicable safety personnel.
3-7


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