1. Radiation Protection and Safety 12/18/2015 1 Radiation Protection   Objectives and standards Benefits and risks   Occupational (onsite) vs. Non-occupational (offsite) Number of exposed people   ALARA principle

2. Radiation Protection and Safety 12/18/2015 2 Radiation Protection   National Council on Radiation Protection and Measurements (NCRP)   International Commission on Radiological Protection (ICRP)

3. Radiation Protection and Safety 12/18/2015 3 Radiation Protection   Equivalent Dose: H T,R = w R D T,R

4. Radiation Protection and Safety 12/18/2015 4 Radiation Protection   Effective Dose: E = Σ w T H T   Risk estimates   Dose constraints

5. Radiation Protection and Safety 12/18/2015 5 Radiation Protection   Intake limits   Transfer models

6. Radiation Protection and Safety 12/18/2015 6 Radiation Protection   Organ and tissue activity over time   Short term and long term doses

7. Radiation Protection and Safety 12/18/2015 7 Radiation Protection   Time, distance and shielding   Buildup factor (B) used for gamma rays: I = BI o e -μx

8. Radiation Protection and Safety 12/18/2015 8 Radiation Protection   Calculating the shielding thickness (x)   Narrow beam of gamma rays (B = 1)

9. Radiation Protection and Safety 12/18/2015 9 Radiation Protection   X ray machines   Lead lining   Controlled and uncontrolled areas   Dose/year

10. Radiation Protection and Safety 12/18/2015 10 Radiation Protection   Experimental data   Application of Q in shielding design

11. Radiation Protection and Safety 12/18/2015 11 Radiation Protection   Beta & Bremmstrahlung   Neutrons