1. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 1 Chapter 10, (7 th ed) Dose Limits for Exposure to Ionizing Radiation

2. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 2

3. 3 United States Reg. Agencies  NRC Agreement States EPAFDAOSHA

4. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 4 Hospital Oversight  Radiation Safety committee  Radiation Safety Officer

5. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 5  ALARA

6. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 6 This is what RTs agree on!!

7. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 7 Consumer-Patient Radiation Health & safety Act of 1981  Implemented in 1994  5 Rems for rad. Workers  ALARA must be implemented .1 Rems for General population  Stochastic & NonS. Effects measured  Declaration of PG. by Rts.

8. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 8

9. 9  Annual Occupational dose Limit  5 REM  Cumulative Effective dose Limit  1 x age  Pregnant Radiation worker .5 Rem per gestation

10. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 10 What is Radiation Hormesis? If it were only true????

11. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 11

12. Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 12 End chapter 10, (7 th ed)