NCRP Report #147 - Radiation Shielding for Medical Instalations
NCRP Report #147 - Radiation Shielding for Medical Instalations
NCRP Report #147 - Radiation Shielding for Medical Instalations
- No tags were found...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
P=0.1 1 mGy/y <strong>for</strong> Uncontrolled areassatisfies 0.25 mSv/y Public Dose Limit• Because of the conservative assumptions andmethods in <strong>NCRP</strong> Rept 147:– Ignoring patient attenuation– Assuming perpendicular beam incidence– Ignoring attenuating items in room (e.g. Pb apronson workers, fluoro drapes, etc.)– Assuming worst-case leakage levelsl– Assuming conservatively large beam areas <strong>for</strong>worst-case scatter calculations15
Change language