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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Use Factors from AAPM Survey<br />
Rad Room:<br />
Chest Bucky<br />
(Another primary wall gets<br />
U=2% of the floor/ other<br />
barrier distribution; assume<br />
tube is centered overtable)<br />
Cross-table<br />
Lateral Position<br />
U=9%<br />
Overtable Position<br />
U=89% shooting down<br />
at tfloor<br />
Rad Room: floor/<br />
other barriers applies<br />
to Overtable and<br />
Crosstable positions<br />
47