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Published on: June 6, 2018
The performance evaluation of a movable gamma-ray counting system for radwaste measurement
Ping-Ji Huang1, Huang-Sheng Chiu, Chin-Hsien Yeh
1Institute of Nuclear Energy Research, No. 1000, Wenhua Rd., Jiaan Village, Longtan Township, Taoyuan County 32546, Taiwan, ROC. pjhuang@iner.gov.tw
Abstract:
Performance tests of a movable gamma-ray waste drum scanning system were carried out in this study. The scanner consists of a single HPGe detector on a movable cart with a 90° collimation angle to the observed item. The detection efficiency for (137)Cs was determined using the ISOTOPIC software. The activities of 35 low-level radioactive waste drums were measured using this system and compared with the results of two other measurement systems. This movable scanning system gave the same result as the other two systems with a relative spread (one standard deviation) of about 7.2%.
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