 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|  DOE-HDBK-1109-97
Radiological Safety Training for Radiation-Producing (X-Ray) Devices
Student's Guide
F.
SUMMARY OF X-RAY DEVICES
The following table summarizes the classes of
X-ray devices recognized by ANSI. For
the enclosed beam, exempt shielded, and cabinet systems, access is controlled by
enclosing the X-rays within a chamber or cabinet. The other systems can have
potentially hazardous dose rates outside the system housing, so access must be controlled
by a combination of locked doors, posting, warning lights, and procedures.
SUMMARY OF X-RAY DEVICES
Category
Maximum Dose
Access
X-Ray Device
Rate - Whole Body
Enclosed beam
Analytical
0.25 mrem/hour
Fully enclosed
chamber
Open beam
Analytical
2.5 mrem/hour
Beam guard
Cabinet
Industrial
2.0 mrem/hour
Fully enclosed in a
cabinet
Exempt shielded
Industrial
0.5 mrem/hour
Enclosed
Shielded
Industrial
as posted
Locked doors
Unattended
Industrial
2 mrem/hour -
Secured access
maximum 100
panel
mrem/year
Open installation
Industrial
as posted
Constant
surveillance
50
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals