Journal Article

Radiation safety and quality control in the cyclotron laboratory

Sushil Sharma, Gregory Krause and Manuchair Ebadi

in Radiation Protection Dosimetry

Volume 118, issue 4, pages 431-439
Published in print July 2006 | ISSN: 0144-8420
Published online February 2006 | e-ISSN: 1742-3406 | DOI: http://dx.doi.org/10.1093/rpd/nci379
Radiation safety and quality control in the cyclotron laboratory

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Radiation safety was determined to maintain quality control in the cyclotron laboratory. Based on the results of 438 runs in the Faraday cup (20 μA for 10 min), 20 runs on 18O–water target (40 μA for 2 h) and 10 runs on 18O–gas targets (30 μA for 45 min), we have established that occupationally exposed workers remain 10 ± 5 times below federal regulatory limits (FRLs) in the cyclotron vault, 30 ± 8 times below FRL in the radiochemistry laboratory and 200 ± 10 times below the FRL outside the cyclotron laboratory during beam operation. (The FRL for unrestricted area are <20 μSv in 1 h.) The non-occupationally exposed workers serving in offices in the vicinity of the cyclotron vault within 100 m distance remained 200 times below the FRL irrespective of beam being on or off, suggesting that routine beam operation of 40 μA for 2 h once a day during office hours is safe provided quality control and system performance measures as discussed in this report are strictly maintained.

Journal Article.  4720 words.  Illustrated.

Subjects: Nuclear Chemistry, Photochemistry, and Radiation

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