Fla. Admin. Code Ann. R. 64E-5.351 - Nationally Tracked Source Thresholds
The nationally tracked source thresholds are listed in table 1 below with the Terabecquerel (TBq) values as the regulatory standard. The curie (Ci) values specified are obtained by converting from the TBq value. The curie values are provided for practical usefulness only and are rounded after conversion.
Table 1
| Radioactive Material | Category 1 (TBq) | Category 1 (Ci) | Category 2 (TBq) | Category 2 (Ci) |
| Actinium-227 | 20 | 540 | 0 .2 | 5 .4 |
| Americium-241 | 60 | 1,600 | 0 .6 | 16 |
| Americium-241/Be | 60 | 1,600 | 0 .6 | 16 |
| Californium-252 | 20 | 540 | 0 .2 | 5 .4 |
| Cobalt-60 | 30 | 810 | 0 .3 | 8 .1 |
| Curium-244 | 50 | 1,400 | 0 .5 | 14 |
| Cesium-137 | 100 | 2,700 | 1 | 27 |
| Gadolinium-153 | 1,000 | 27,000 | 10 | 270 |
| Iridium-192 | 80 | 2,200 | 0 .8 | 22 |
| Plutonium-238 | 60 | 1,600 | 0 .6 | 16 |
| Plutonium-239/Be | 60 | 1,600 | 0 .6 | 16 |
| Polonium-210 | 60 | 1,600 | 0 .6 | 16 |
| Promethium-147 | 40,000 | 1,100,000 | 400 | 11,000 |
| Radium-226 | 40 | 1,100 | 0 .4 | 11 |
| Selenium-75 | 200 | 5,400 | 2 | 54 |
| Strontium-90 | 1,000 | 27,000 | 10 | 270 |
| Thorium-228 | 20 | 540 | 0 .2 | 5 .4 |
| Thorium-229 | 20 | 540 | 0 .2 | 5 .4 |
| Thulium-170 | 20,000 | 540,000 | 200 | 5,400 |
| Ytterbium-169 | 300 | 8,100 | 3 | 81 |
Notes
Rulemaking Authority 404.051, 404.081 FS. Law Implemented 404.022, 404.051, 404.081 FS.
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