Fla. Admin. Code Ann. R. 64E-5.1419 - Radiation Surveys
(1) Before the
facility starts operation, the following radiation surveys must be performed:
(a) A radiation survey of the area above the
pool after the sources are loaded and in the shielded position; and
(b) A survey of the area outside the
shielding of the radiation room of a panoramic irradiator with the sources in
the exposed position.
(2) If the surveys indicate that radiation
levels specified in Rule
64E-5.1407, F.A.C., are
exceeded, the shielding must be repaired to comply with the dose rate
requirement in Rule
64E-5.1407, F.A.C.,
before operation of the facility can start.
(3) Radiation surveys described in (1) above
must be performed after new sources are loaded and after any modifications
which might increase dose rates are made to the radiation room, shielding or
structure and at intervals not to exceed 3 years.
(4) Portable radiation survey meters used to
meet the requirements of subsections (1) and (3) of this section and the
requirements of subsections
64E-5.1413(3)
and
64E-5.1424(1),
F.A.C., must be calibrated at least annually to an accuracy of 20 percent for
the gamma energy of the sources in use. The calibration must be done at two
points on each scale or, for digital instruments, at one point per decade over
the range that will be used. Portable radiation survey meters must be of a type
that does not saturate and read zero at high radiation dose rates.
(5) Water from the irradiator pool or other
potentially contaminated liquids and sediments from pool vacuuming must be
monitored for radioactive contamination before release to unrestricted areas.
Radioactive concentrations must not exceed those specified in State of Florida
Bureau of Radiation Control ALIs, DACs, and Effluent Concentrations, June 2012,
Table II, Column 2, or Table III, as applicable. The lower limit of detection
for the measurements must be below those concentrations.
(6) Resins to be released for unrestricted
use must be monitored before release in an area with a background level less
than 0.05 millirem (0.0005 millisievert) per hour. The resins can be released
only if the survey does not detect radiation levels above background radiation
levels. The survey meter must be capable of detecting radiation levels of 0.05
millirem (0.0005 millisievert) per hour.
Notes
Rulemaking Authority 404.051(4) FS. Law Implemented 404.051(1), (5), (6), 404.061, 404.081, 404.141 FS.
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