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Reporting and Documenting Contamination Levels - doe-std-1128-98_ch10094
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DOE Standard Guide of Good Practices for Occupational Radiological Protection In Plutonium Facilities
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Monitoring - doe-std-1128-98_ch10096


DOE-STD-1128-98
-- Model and serial number of counting equipment
-- Contamination levels (using appropriate units) and appropriate supporting
parameters, including counting efficiency, counting time, correction factors, type
of radiation, and whether the contamination was fixed or removable
-- Location of areas found to contain hot particles or high concentrations of
localized contamination
-- Follow-up survey results for decontamination processes cross-referenced to the
original survey (see DOE standard, Radiological Control, Ch. 1. part 754 (DOE,
2004)).
Records for the release of material and equipment from radiological areas to
controlled areas should describe the property, the date on which the release survey
was performed, the identity of the individual who performed the survey, the type and
identification number of the survey instrument used, and the results of the survey
shall be documented (10 CFR 835.703(c)). Additional details on radiation records
can be obtained from the Implementation Guide. Occupational Radiation Protection
Record-keeping and Reporting (DOE, 1999b).
All skin and personal property contaminations should be documented and evaluated
to help improve the contamination control program. Documentation should include
the following:
-- The person's name and work group
-- The location, amount, and type of skin or personal property contamination
-- The results of decontamination
-- A description of circumstances involved in the occurrence, such as radiation
work permit number, protective clothing required, and protective clothing
actually used.
4.2.3 Characteristics of Plutonium Contamination
There are few characteristics of plutonium contamination that are unique. Plutonium
contamination may be in many physical and chemical forms. (See Section 2.0 for the
many potential sources of plutonium contamination from combustion products of a
plutonium fire to radiolytic products from long-term storage.) The one characteristic
that many believe is unique to plutonium is its ability to migrate with no apparent
motive force. Whether from alpha recoil or some other mechanism, plutonium
contamination, if not contained or removed, will spread relatively rapidly throughout
an area.
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