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|  DOE-HDBK-1106-97
Instructor's Notes
9. ALI:
4mCi (1 x 107 Bq) by inhalation, clearance in weeks.
4mCi (1 x 107 Bq) by ingestion.
10. Shielding: inch (1.2 cm) of plexiglass (that will shield
the beta particles and minimize the production of
bremsstrahlung).
P-32 betas will travel:
19 feet in air.
0.8 cm in tissue.
0.7 cm in plexiglass.
0.3 cm in aluminum.
11. Special considerations:
A high local dose can be received if the radioactive
material is touched and allowed to remain in contact
with the skin.
Do not work over an open container, the eyes can
receive a substantial beta dose.
Safety glasses can provide eye protection.
79
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