Analysis of induced radionuclides in replacement parts and liquid wastes in a medical cyclotron solely used for production of 18F for [18F]FDG

Radioactivities produced in replacement parts and liquid wastes in a medical cyclotron used to produce 18F for [18F]FDG with 10MeV protons were analyzed. Nineteen radionuclides were found in the replacement parts and liquid wastes. Among them, long-lived 56Co in the Havar foils is critical in terms...

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Bibliographic Details
Published in:Applied radiation and isotopes 2013-04, Vol.74, p.137-143
Main Authors: Mochizuki, S., Ishigure, N., Ogata, Y., Kobayashi, T.
Format: Article
Language:English
Subjects:
[18F]FDG
Cyclotrons - instrumentation
Fluorine Radioisotopes - isolation & purification
Fluorodeoxyglucose F18 - isolation & purification
Humans
Medical cyclotron
Occupational Exposure
Positron-Emission Tomography
Radiation Dosage
Radioactive by-products
Radioactive Waste - analysis
Radioisotopes - analysis
Radionuclide Generators - instrumentation
Radiopharmaceuticals - isolation & purification
Waste Management
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Summary:Radioactivities produced in replacement parts and liquid wastes in a medical cyclotron used to produce 18F for [18F]FDG with 10MeV protons were analyzed. Nineteen radionuclides were found in the replacement parts and liquid wastes. Among them, long-lived 56Co in the Havar foils is critical in terms of radioactive waste management. The estimated dose level of exposure for the operating staff during the replacement of parts was around 310μSv/y, which is smaller than the recommended dose limit for workers. ► Radionuclides induced in replacement parts in a medical cyclotron were analyzed. ► 56Co is a critical radionuclide from the viewpoint of radioactive waste management. ► The exposure from the replacement parts will not cause meaningful radiological risk.
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2013.01.004