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|  DOE-HDBK-1106-97
Radiological Contamination Control Training
for Laboratory Research
Instructor's Guide
Instructor's Notes
PHOSPHORUS-32 (P-32)
Phosphorus-32 is a high-energy beta emitter that may create a
whole body, skin, and an eye hazard. Most common means of
detection is with a thin-window probe or liquid scintillation.
Maximum energy: 1.71 MeV; the average energy is
1.
0.570 MeV.
Maximum range in air: 19 feet (6 m).
2.
3.
Maximum range in tissue: 8 mm.
4.
IAEA toxicity classification: Medium-low.
Physical half-life: 14.29 days.
5.
6.
Effective half-life (Teff): 10-14 days.
7.
Critical organ:
o
Bone for transportable compounds.
o
Lung and lower large intestine are critical
organs for inhalation and ingestion,
respectively.
Personnel monitoring: Dosimeter and finger rings,
8.
uptakes may be determined by urinalysis.
A-9
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