CHAPTER 3 RADIATION PROTECTION

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RSSC RADIATION PROTECTION 07/11 3-1 CHAPTER 3 RADIATION PROTECTION PAGE I. External RADIATION PROTECTION ........................................ ........................................ ................ 3-3 A. Time ........................................ ........................................ ........................................ 3-3 B. Distance ........................................ ........................................ ...................................... 3-3 1. The Inverse Square Law ........................................ ........................................ . 3-3 2. Gamma Constants ........................................ ........................................ .......... 3-4 3. Gamma Exposure Rate Formula ........................................ ............................ 3-5 C. Shielding ........................................ ........................................ .................................... 3-6 1. Alpha and Beta RADIATION .

The three basic methods used to reduce the external radiation hazard are time, distance, and shielding. Good radiation protection practices require optimization of these fundamental techniques. A. Time The amount of radiation an individual accumulates will depend on how long the individual stays in the radiation field, because:

  Basics, Radiation