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JAMINAN PROTEKSI RADIASI DARI PESAWAT Co-60 DI INSTALASI RADIOTERAPI RSUD Dr. MOEWARDI

Abstract

This study reported the radiation protection activity in Radiotherapy Installation of Dr. Moewardi Local General Hospital in January 2016. This activity was conducted by measuring and calculating computer simulation. Considering the Dose Margin Value (NBD) as included into Chairman of Nuclear Power Overseeing Agency’s Regulation No. 4 of 2013, the result of measurement stated that dose rate in Radiotherapy Installation of Dr. Moewardi Local General Hospital was in safe condition. Radiation workers received dose rate less than 20 mSv/year for 5 successively years and 50 mSv in one certain year and the member of society received dose rate less than 1 mSv/year. Computer simulation with MCNPX was intended to allow the dose rate measurement any time without radiation exposure. The relative error of simulation and measurement was more than 10%. Simulation with disk source had less relative error than point source, ranging between 14% to 38%

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