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Radiological Surveys and Data Trending cont'd - doe-std-1128-98_ch10053
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DOE Standard Guide of Good Practices for Occupational Radiological Protection In Plutonium Facilities
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Radiological Surveys and Data Trending cont'd - doe-std-1128-98_ch10055


DOE-STD-1128-98
-- Before initial use of a new installation, system, or equipment, or as
soon as possible after a radiation source is brought into the area.
-- whenever changes in procedures, equipment, or sources have
occurred that may cause changes in the external radiation levels.
-- after modification to a shield or changes in shield materials.
-- as the basis for trend evaluation of external radiation level
conditions.
-- when a radiological accident has occurred or is suspected.
-- when requested by the personnel performing the activity (see
Munson et al., 1988, p. 6.1.2).
Radiation surveys should be performed upon initial entry into process
cells and tanks that contain radioactive piping or components.
Surveys should be conducted when performing operations that might
result in personnel being exposed to small intense beams of radiation
(e.g., removing shielding for shielded X-ray devices).
Every reasonable effort should be made to maintain the radiation dose
equivalent of the surveyor at levels that conform to ALARA guidance.
Surveys should be performed and documented according to established
procedures.
Only fully trained and qualified personnel should conduct surveys that
are to be the official records of radiation levels or for the protection of
personnel; these surveys should be reviewed and approved by the
Radiological Protection Manager or his/her designee.
Surveys should be performed with calibrated instrumentation appropriate
for the intensity and energy of the radiation anticipated in the area to be
surveyed.
Survey instruments should meet the performance check requirements
established by the facility in accordance with ANSI N323a (ANSI,
1997b).
Combinations of survey instruments should be used as necessary to
provide the capability to measure all types of radiation and dose rates
characteristic of that which could be encountered at the facility being
surveyed.
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