TM 5-805-12
Table 3. Summary of shielding requirements for diagnostic x-ray facilities.
TYPE OF FACILITY
FIXED RADIO-
FLUOROSCOPIC
GRAPHIC &
PHOTOFLUORO-
UROLOGIC
DENTAL
ONLY
RADIOGRAPHIC
GRAPHIC &
ONLY
MAXIMUM TUBE POTENTIAL (kV)
BARRIER
FLUOROSCOPIC
UPRIGHT CHEST
40-50
51-60
61-75
75
VET.
FLOOR
1/16
1/16
1/32
1/16
1/128
1/64
1/32
1/16
1/16
WALL (PRIM. BARRIER)
N/A
1/16
1/16
1/32
1/128
1/64
1/32
1/16
1/16
WALL (SECOND. BARRIER)
1/16
1/16
1/32
1/32
1/128
1/64
1/32
1/16
1/16
CEILING
1/32
1/16
1/32
1/32
1/128
1/64
1/32
1/16
1/16
CONTROL BOOTH
1/16
1/16
1/16
1/32
1/128
1/64
1/32
1/16
1/16
OBSERVATION WINDOW
1/16
1/16
1/32
1/32
1/128
1/64
1/32
1/16
1/16
DOOR
1/16
1/16
1/16
1/32
1/128
1/64
1/32
1/16
1/16
* All shielding requirements are given in inches of lead or equivalent.
Note: Consideration should be given to actual workload, occupancy, and use factors when applying the above criteria.
Source:
Management and control of Diagnostic X-Ray. Therapeutic X-ray, and Gamma-Beam equipment..
TB MED 521.
1-5
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