Biomedical Engineering Reference
In-Depth Information
Note that Eq. (15.31) with
B
=
5 applies to shields thicker than 20 cm, as was the case
here. Note also that one should generally be concerned with gamma-ray shielding
where neutrons are present. In this example, however,
210
Po is a weak gamma emitter
(0.001%) and decays to stable
206
Pb.
15.6
Suggested Reading
1
Archer, Benjamin R., “Recent His-
tory of the Shielding of Medical X-Ray
Imaging Facilities,”
Health Phys.
7
NCRP Report No. 147,
Structural
Shielding Design for Medical X-Ray
Imaging Facilities
, National Council
on Radiation Protection and Measure-
ments, Bethesda, MD (2004).
8
NCRP Report No. 151,
Structural
Shielding Design and Evaluation for
Megavoltage X- and Gamma-Ray Ra-
diotherapy Facilities
, National Council
on Radiation Protection and Measure-
ments, Bethesda, MD (2005).
9
Radiation Safety Information Compu-
tational Center (RSICC). This valuable
resource on radiation shielding at the
Oak Ridge National Laboratory can be
consulted on line. The Center collects,
analyzes, and distributes computer
software and data sets related to radi-
ation transport and safety. Technical
assistance is also available.
10
Selman, Joseph,
The Fundamentals of
Imaging Physics and Radiobiology
, 9th
Ed., Charles C. Thomas, Springfield,
IL (2000). [A fine textbook for training
X-ray technicians, this work contains
much practical information on X-ray
production, technology, utilization,
and dosimetry.]
11
Shultis, J. Kenneth, and Faw, Richard
E., “Radiation Shielding Technology,”
Health Physics
,
579-586 (2005). [Review article in 50th
Anniversary Issue of
Health Physics
.
Describes the recent work of NCRP
Scientific Committee 9 (with sup-
port of the American Association of
Physicists in Medicine), resulting in
significant revisions in recommenda-
tions for radiation barrier design for
medical imaging facilities and NCRP
Report 147. Additional perspective
into the Report is given.]
2
Brunette, Jeffrey J., Book Review of
NCRP Report No. 147,
Health Phys.
89
, 183 (2005). [Brief but valuable and
clear summary of Report No. 147 and
important changes from the 1976
NCRP Report No. 49.]
3
Cember, H.,
Introduction to Health
Physics
, 3rd Ed., McGraw-Hill, New
York, NY (1996).
4
Faw, R. E., and Shultis, J. K.,
Radi-
ological Assessment
, Prentice Hall,
Engelwood Cliffs, NJ (1993).
5
NCRP Report No. 49,
Structural
Shielding Design and Evaluation for
Medical Use of X Rays and Gamma
Rays of Energies up to 10 MeV
,Na-
tional Council on Radiation Protection
and Measurements, Washington, DC
(1976). [Predecessor of NCRP Report
No. 147.]
6
NCRP Report No. 145,
Radiation Pro-
tection in Dentistry
, National Council
on Radiation Protection and Measure-
ments, Bethesda, MD (2003).
88
, 587-612 (2005).
[Review article in 50th Anniversary
Issue of
Health Physics
.Presentsan
historical review and a summary of
shielding-calculation techniques. Ex-
tensive bibliography.]
88
