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Radiation Protection Dosimetry Advance Access originally published online on July 27, 2004
Radiation Protection Dosimetry 2004 112(2):287-290; doi:10.1093/rpd/nch391
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Radiation Protection Dosimetry Vol. 112, No. 2 © Oxford University Press 2004; all rights reserved

Technical Note

Development of an automatic smear sampler and evaluation of surface contamination

Bum-Kyoung Seo*, Bong-Jae Lee, Kune-Woo Lee and Jin-Ho Park

Division of Decommissioning Technology Development, Korea Atomic Energy Research Institute, 150 Deokjin-dong Yuseong-gu Daejeon, 305-353, Korea

* Corresponding author: Bumja{at}kaeri.re.kr

The surface contamination level of a radiation-controlled area is measured periodically according to atomic energy law and connection regulations. The measurement of surface contamination by an indirect method is subject to various kinds of error depending on the sampling person and consumes much time and effort in the sampling of large nuclear facilities. In this research, an automatic smear sampler is developed to solve these problems. The developed equipment is composed of a rotating sampling part, a sample transferring part, a power supply part a control part, and vacuum part. It improved the efficiency of estimation of the surface contamination level achieved periodically in a radiation-controlled area. Using an automatic smear sampler developed in this research, it is confirmed that radioactive contaminated materials are uniformly transferred to smear paper more than any sampling method by an operator.


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