NCRP-147 Shielding Models 147 Shielding Models - Radiation ...
NCRP-147 Shielding Models 147 Shielding Models - Radiation ...
NCRP-147 Shielding Models 147 Shielding Models - Radiation ...
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1 st principle extensions to <strong>NCRP</strong> 49<br />
• (Underlies the other two methods)<br />
• The kerma in the occupied area may have<br />
contributions from<br />
– primary radiation<br />
– scatter radiation<br />
}<br />
– leakage radiation } Secondary radiation<br />
4