Abstract
Using the film badge, the author measured radiation doses in 8,728 workers engaged in dealing with x-ray and 2,354 workers engaged in dealing with γ-rays during the past one year. The integrate radiation doses were summed up and reported hers. The film badge case which was used in those measurement and the method of the measurent were based on Japanese Industrial Standard. In one measurement, the 85% of those workers wore the film badge for two weeks, while the rest of them, 15% of them for four weeks.
