 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|  DOE-HDBK-1106-97
Radiological Contamination Control Training
for Laboratory Research
Instructor's Guide
Instructor's Notes
o
Lungs for inhalation.
o
Lower large intestine for ingestion.
8.
Personnel monitoring: dosimeter and finger rings,
uptakes may be determined by urinalysis.
ALI:
9.
0.6 mCi (2 x 107 Bq) by inhalation, clearance
o
in weeks.
0.4 mCi (1 x 107 Bq) by ingestion.
o
10.
Shielding:
o
Half-value layer (the thickness required to
attenuate the dose rate by ) is 0.26 inches
(6.5mm) of lead.
o
Multi-hundred mCi quantities need to be
completely surrounded by beta shielding
material to prevent the betas from escaping
and creating a source of secondary
annihilation radiation outside the shielding.
A-7
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals