Answer to Question #5841 Submitted to "Ask the Experts"
Category: Radiation Workers
The following question was answered by an expert in the appropriate field:
Dosimeters are provided to workers who may receive 10 percent
or greater of the annual dose limit. How would one estimate if a worker
is in the position to receive 10 percent or greater?
Unpublished data from US dosimetry companies suggests that doses to workers in medicine were on an average of 1.49 mSv/y. For workers in education and research this was closer to 4.0 mSv/y (personal correspondence).
For the period 1990-1994, UNSCEAR (2000) provided the following data
for nuclear medicine in the United States: 101,500 individuals
monitored, 57,370 exposed, an annual collective dose of 77.2 P-Sv, and
average annual effective doses of 0.8 mSv and 1.4 mSv for monitored and
exposed individuals, respectively.
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