UNCERTAINTY EVALUATION IN MEASUREMENT OF THE PERSONAL DOSE EQUIVALENT AT NINE INDIVIDUAL MONITORING SERVICES IN ASIA AND THE PACIFIC REGION

Rizk C 1 , Askounis P 2 , Okyar HB 3 , Sangau JK 4 , Baradaran S 5 , Al Fares E 6 Show all authors , Shah BR 7 , Munkhtsetseg B 8 , Mitrayon L 9 , Rathnayake M 10 , Ali M 11

Affiliations 

  • 1 Lebanese Atomic Energy Commission, National Council for Scientific Research, PO Box 11-8281, Riad El Solh, Beirut 1107 2260, Lebanon
  • 2 Greek Atomic Energy Commission, Dosimetry and Calibration Department, Agia Paraskevi, Athens, Greece
  • 3 International Atomic Energy Agency, Vienna International Centre, PO Box 100, 1400 Vienna, Austria
  • 4 Malaysian Nuclear Agency, Ministry of Science, Technology and Innovation, Bangi, 43000 Kajang, Selangor, Malaysia
  • 5 National Radiation Protection Department, Iranian Nuclear Regulatory Authority/Nuclear Science and Technology Research Institute, PO Box 14155-1339, Av. Kargar Shomali, Tehran, Iran
  • 6 Radiation Protection Department, Ministry of Health, Al Sharq Area, Kuwait, State of Kuwait
  • 7 Faculty of Science, Nepal Academy of Science and Technology, Khumaltar, Lalitpur, GPO 3323 Kathmandu, Nepal
  • 8 Radiation Control Laboratory of the National Reference Laboratory, General Agency for Specialized Inspection, Chinggis avenue, Khan-Uul, Ulaanbaatar 17042, Mongolia
  • 9 Ionizing Radiation Metrology Section, Regulatory Technical Support Division, Office of Atoms for Peace, 16 Vibhavadi Rangsit Road, Ladyao, Chatuchak, Bangkok 10900, Thailand
  • 10 Radiation Protection and Technical Services Division, Sri Lanka Atomic Energy Board, No 60/460, Baseline Road, Orugodawatta, Wellampitiya, Sri Lanka
  • 11 National Radiation Protection Center, Ministry of Health and Prevention, Dubai, United Arab Emirates
Radiat Prot Dosimetry, 2020 Aug 28;190(2):217-225.
PMID: 32696972 DOI: 10.1093/rpd/ncaa093

Abstract

This paper presents the results of the evaluation of the uncertainty in measurement of the personal dose equivalent, Hp(10), at nine individual monitoring services (IMSs) in Asia and the Pacific region. Different types of passive dosemeters were type-tested according to the International Electrotechnical Commission 62387 requirements. The uncertainty in measurement was calculated using the Guide to the Expression of Uncertainty in Measurement approach. Expanded uncertainties ranged between 24 and 86% (average = 38%) for Hp(10) values around 1 mSv and between 14 and 40% (average = 27%) for doses around the annual dose limit, Hp(10) = 20 mSv. The expanded uncertainties were lower than the 1.5 factor in either direction proposed by the International Commission on Radiological Protection for doses near the relevant dose limits. This indicates an acceptable level of uncertainty for all participating IMSs. Uncertainty evaluation will help the IMSs to acknowledge the accuracy of their measurements.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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