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| A preliminary study on the results of hand exposure of nuclear medicine workers |
| WANG Bin, GAO Linfeng, QIAN Aijun, YAO Jie, XIAO Hong, JIANG Zhou |
| Shanghai Municipal Center for Disease Control & Prevention, Shanghai 200336 China |
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Abstract Objective To study the hand doses for staff handing radiopharmaceuticals in nuclear medicine.Methods Radiation does to the hands of occupational workers handling 99mTc、18F and 131I were measured by ring TLD and instrument of γambient dose equivalent rate.Results There were several factors affecting the mangnitude of the dose to the hands. The amount of activity, the time spending in the radiation field and the skills and experience of the woker influenced the time and thus the dose. Radiation dose of handling 99mTc、18F and 131I staff were observed to be 475、503、185 μSv/h. 18F packing staff were observed of the hand maximum dose rate of up to 3503 μSv/h.The bi-monthly max cumulative doses to the handtips of worker were 7.40、103.9、21.96 mSv, respectively.Conclusion The nuclear medicine personnel usually unsustainable contact nuclide and rotate, actual exposure hand dose is within the national standard.
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Received: 09 September 2017
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