Transcription of ケーススタデイ－その1 表面汚染の検査に多く用いられる大 …
1 GM JIS Z 4329 JIS Z 4504 iso 7503 -1) 5cm : cm2 mg/cm2 40% 2 (counts per minute, cpm) Bq/cm2 Sv/h ver. 150716 ( (s-1) (cpm) (Bq/cm2) GM 20cm2 10cm 10cm 5mm iso 7503 -1 JIS Z 4504 ( cpm Bq/cm2 I-131 Cs-137 20cm2 GM 1000 cpm 4B q/cm2 (s-1) JIS (es) ebmax> es = ) Bq/cm2 ver.
2 150716 Cs-137 4 Bq/cm2 Sv/h 1 cm 2 cm 5 cm 10 cm 5 cm 10 cm 20 cm 50 cm (Bq/cm2) ( Sv/h) GM 1000cpm =4Bq/cm2 Bq/cm2 5cm Cs-137 4 Bq/cm2 Sv/h ver. 150716 1 Cs-137 Bq/cm2 (1cm = Sv m2 MBq-1 h-1) equivalent rate / Sv h-1 Radius / m equivalent rate / Sv h-1 Distance / m ver. 150716 5cm 20 cm 2 I-131 Bq/cm2 (1cm = Sv m2 MBq-1 h-1) equivalent rate / Sv h-1 Radius / m rate / Sv h-1 Distance / m ver. 150716 5cm 20 cm 40 Bq/cm2 4 Bq/cm2 I-131 Cs-137 4 Bq/cm2 10,000 cpm 1/10 4 Bq/cm2 ( 1,000 cpm 40 Bq/cm2 4 Bq/cm2 L IAEA 5 Sv/h ( 4 Bq/cm2 (I-131 Cs-137 1,000 cpm Sv/h 3 ver.)))
3 150716
