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|  DOE-HDBK-1108-97
Radiological Training for Accelerator Facilities
Student's Guide
3.
Neutron radiation
Neutron monitoring is complicated because the quality factor depends on the energy of
the neutron. As for all surveys, neutron surveys must be conducted by qualified
individuals.
D.
Residual Radiation
Radioactive materials may be found in the form of:
N
Removable contamination.
N
Fixed contamination.
N
Activated materials.
N
Volume contamination.
1.
Residual radiation monitoring
These radioactive materials may present an external radiation (dose rate) or contamination
hazard. Residual radiation is typically monitored with portable instruments and
contamination swipes. Types of monitoring may include:
N Work areas and shops.
N Items/materials.
N Operational systems.
33
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