Security of Radioactive Sources in Radiation Facilities
Security of Radioactive Sources in Radiation Facilities
Security of Radioactive Sources in Radiation Facilities
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Source<br />
Activity<br />
handled (A)<br />
(TBq)<br />
D value<br />
(TBq)<br />
Category 4 (Contd.)<br />
Moisture/density gauges<br />
Am-241/Be<br />
Cs-137<br />
Ra-226<br />
Cf-252<br />
3.7E-03<br />
4.1E-04<br />
1.5E-04<br />
2.6E-06<br />
6.E-02<br />
1.E-01<br />
4.E-02<br />
2.E-02<br />
Bone densitometry sources<br />
Cd-109<br />
Gd-153<br />
I-125<br />
Am-241<br />
Static elim<strong>in</strong>ators<br />
7.4E-04<br />
5.6E-02<br />
3.0E-02<br />
1.0E-02<br />
2.E+01<br />
1.E+00<br />
2.E-01<br />
6.E-02<br />
Am-241<br />
Po-210<br />
4.1E-03<br />
4.1E-03<br />
6.E-02<br />
6.E-02<br />
Diagnostic isotope generators<br />
Mo-99<br />
3.7E-01<br />
3.E-01<br />
Medical unsealed sources<br />
I-131<br />
7.4E-03<br />
2.E-01<br />
Category 5<br />
XRF analyser sources<br />
Fe-55<br />
Cd-109<br />
Co-57<br />
5.0E-03<br />
5.6E-03<br />
1.5E-03<br />
8.E+02<br />
2.E+01<br />
7.E-01<br />
Electron capture detector sources<br />
Ni-63<br />
H-3<br />
Lightn<strong>in</strong>g preventers<br />
7.4E-04<br />
1.1E-02<br />
6.E+01<br />
2.E+03<br />
Am-241<br />
Ra-226<br />
H-3<br />
4.8E-04<br />
3.0E-06<br />
7.4E-03<br />
6.E-02<br />
4.E-02<br />
2.E+03<br />
Ratio <strong>of</strong><br />
A/D<br />
6.2E-02<br />
4.1E-03<br />
3.7E-03<br />
1.3E-04<br />
3.7E-05<br />
5.6E-02<br />
1.5E-01<br />
1.7E-01<br />
6.8E-02<br />
6.8E-02<br />
1.2E+00<br />
3.7E-02<br />
6.2E-06<br />
2.8E-04<br />
2.1E-03<br />
1.2E-05<br />
5.6E-06<br />
8.0E-03<br />
7.4E-05<br />
3.7E-06<br />
39
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