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QUOTE=Radiological Considerations for the Operation of the
Advanced Photon Source Storage Ring - Revised

H. J. Moe

September 24, 1997

Table 2 - Attenuation Lengths of Shielding Materials

GRN MEN  MATERIAL (density-g/cm3
) BREMS
¦Ë (g/cm2
)
HEN
Concrete (2.35)  49  40  65   115
Concrete (3.7)  50    45    70    125
Concrete Block (2.08)  49    40    65    115
Pb (11.35)  24   161   191   191
Polyethylene (0.93)  70    6.3    62    62
Fe (7.87)  34   100   138   138
W (densalloy 18.0)  26.3    161    184    184
5Â¥2009-06-24 09:13:46
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