{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:37:08Z","timestamp":1760150228228,"version":"build-2065373602"},"reference-count":31,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2023,11,2]],"date-time":"2023-11-02T00:00:00Z","timestamp":1698883200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Slovak Research and Development Agency","award":["APVV-21-0032","APVV-20-0118","VEGA 1\/0714\/21","KEGA 023\u017dU-4\/2021"],"award-info":[{"award-number":["APVV-21-0032","APVV-20-0118","VEGA 1\/0714\/21","KEGA 023\u017dU-4\/2021"]}]},{"name":"Scientific Grant Agency of Ministry of Education, Science, Research and Sport of the Slovak Republic","award":["APVV-21-0032","APVV-20-0118","VEGA 1\/0714\/21","KEGA 023\u017dU-4\/2021"],"award-info":[{"award-number":["APVV-21-0032","APVV-20-0118","VEGA 1\/0714\/21","KEGA 023\u017dU-4\/2021"]}]},{"DOI":"10.13039\/501100006108","name":"Cultural and educational grant agency","doi-asserted-by":"publisher","award":["APVV-21-0032","APVV-20-0118","VEGA 1\/0714\/21","KEGA 023\u017dU-4\/2021"],"award-info":[{"award-number":["APVV-21-0032","APVV-20-0118","VEGA 1\/0714\/21","KEGA 023\u017dU-4\/2021"]}],"id":[{"id":"10.13039\/501100006108","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Despite its undeniable advantages, the operation of a CT scanner also carries risks to human health. The CT scanner is a source of ionizing radiation, which also affects people in its surroundings. The aim of this paper is to quantify the radiation exposure of workers at a 3D CT wood scanning workplace and to determine a monitoring program based on measurements of ionizing radiation levels during the operation of a CT log scanner. The workplace is located in the Biotechnology Park of the National Forestry Centre. The ionizing radiation source is located in a protective cabin as a MICROTEC 3D CT machine with an X-ray lamp as X-ray source. The CT scanner is part of the 3D CT scanning line and its function is continuous quality scanning or detection of internal defects of the examined wood. The measurement of leakage radiation during scanning is performed with a metrologically verified meter. The measured quantity is the ambient dose equivalent rate H\u02d9*10. The results of the measurements at the selected measurement sites have shown that, after installation of additional safety barriers, the CT scanner for the logs complies with the most strict criteria in terms of radiation protection. Workers present at the workplace during the operation of the CT scanner are not exposed to radiation higher than the background radiation level.<\/jats:p>","DOI":"10.3390\/s23218937","type":"journal-article","created":{"date-parts":[[2023,11,2]],"date-time":"2023-11-02T09:28:13Z","timestamp":1698917293000},"page":"8937","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Radiation Protection of a 3D Computer Tomography Scanning Workplace for Logs\u2014A Case Study"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2797-5911","authenticated-orcid":false,"given":"Tom\u00e1\u0161","family":"Gerge\u013e","sequence":"first","affiliation":[{"name":"National Forest Centre, Forest Research Institute, T. G. Masaryka 22, 960 01 Zvolen, Slovakia"}]},{"given":"Juraj","family":"Hamza","sequence":"additional","affiliation":[{"name":"National Forest Centre, Forest Research Institute, T. G. Masaryka 22, 960 01 Zvolen, Slovakia"}]},{"given":"Vojt\u011bch","family":"Ondrejka","sequence":"additional","affiliation":[{"name":"Faculty of Forestry and Wood Technology, Mendel University in Brno, Zem\u011bd\u011blsk\u00e1 1665\/1, 613 00 Brno, Czech Republic"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5621-1200","authenticated-orcid":false,"given":"Miroslav","family":"N\u011bmec","sequence":"additional","affiliation":[{"name":"Faculty of Wood Sciences and Technology, Department of Physics, Electrical Engineering and Applied Mechanics, Technical University in Zvolen, T.G Masaryka 24, 960 01 Zvolen, Slovakia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3123-5032","authenticated-orcid":false,"given":"Miroslav","family":"Vanek","sequence":"additional","affiliation":[{"name":"Faculty of Ecology and Environmental Sciences, Department of Environmental Engineering, Technical University in Zvolen, T.G Masaryka 24, 960 01 Zvolen, Slovakia"}]},{"given":"Jennifer","family":"Drugdov\u00e1","sequence":"additional","affiliation":[{"name":"National Forest Centre, Forest Research Institute, T. 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