Page 908 - Radiation Safety
P. 908
Classification of Work Area
Classification of Work Area
• ( ICRP recommendation) - Based on expected level
in normal operation, 40 hour/week, 50 weeks/year
• Uncontrolled areas : < 5.0 mSv/year
• Supervised area : 5.0 mSv to 15.0 mSv/year
• Controlled area : > 15.0 mSv/year
• Restricted area : > 25 µSv/hr
