Radiological Training for Accelerator Facilities
Cavities and beamline: the beamline piping
and items such as resonating cavities,
diagnostic devices, etc.
(Facility-Specific) Each facility
should cover their radionuclides
Air, dust, and other gases in the accelerator
of concern, such as:
enclosure may be activated. Typically, the
activation products are short-lived gaseous
radionuclides of the elements in the air or
particulate, in the case of dust particles.
Cover facility's procedures for
Examples are Oxygen-15 from Nitrogen-14
entering enclosure after beam
(Facility-Specific) Include likely
a. Cooling water: used for cooling beamline
components (activation products such as
tritium (H-3), beryllium (Be-7) and
possible pipe wear products or erosion of
See Section VI, for methods to
the pipe surfaces).
dispose of activated liquids.
b. Oil in vacuum pumps (beam line
c. Cryogenic fluids: liquid helium and
nitrogen are used frequently to cool