Quantcast Table 5.7. Plutonium or 241Am Indicator Levels for Internal Dosimetry Evaluation - doe-std-1128-98_ch10146

 

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Indicator and Action Levels - doe-std-1128-98_ch10145
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DOE Standard Guide of Good Practices for Occupational Radiological Protection In Plutonium Facilities
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Response to Suspected Intakes - doe-std-1128-98_ch10147


DOE-STD-1128-98
Thus, the ALIs found in ICRP Publication 61 (1991a) and used in the CEC/DOE
Guidebook noted above are those which would provide a CEDE of 2-rem/y instead of
current U.S. regulations of 5-rem/y.
Guidance in the CEC/DOE Guidebook can be summarized as follows:
-- When the estimated intake is below one ALI, treatment should not be considered.
-- When the estimated intake is between 1 and 10 times the ALI, treatment should be
considered.
Under these situations, short-term administration will usually be appropriate, except for
intake of materials poorly transported from the lung (class Y).
Table 5.7. Plutonium or 241Am Indicator Levels for Internal Dosimetry Evaluation
Indicator
Notification Level
.
Nasal or mouth smears
Detectable Activity
Facial Contamination
200 dpm
(direct measurement)
Skin Breaks or Blood Smears
Any skin break while handling
material other than sealed sources
Head, neck contamination
2,000 dpm
Contamination in a respirator
Detectable activity inside respirator
after use
10,000 dpm
Hands forearms, clothing contamination  (a)
Airborne Radioactivity
Acute intake equivalent to 40 DAC-
hours after accounting for respiratory
protection factor
(a) Clothing contamination levels apply to exposure without respiratory protection, such as on inner coveralls or
personal clothing.
Table 5.8. Plutonium or 241Am Contamination Levels for Notification of Occupational
Medicine Physician
Indicator
Medical Notification Level, dpm
Nasal or mouth smears
1,000
Facial Contamination
25,000
Skin breaks or wounds
100
5-36


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