xmlns:atom="http://www.w3.org/2005/Atom"
a Carbon-14, tritium and potassium-40 are not included in this group. | |
Isotope group | Bq/kg |
---|---|
Sum of isotopes of strontium, notably Sr-90 | 7 500 |
Sum of isotopes of iodine, notably I-131 | 20 000 |
Sum of alpha-emitting isotopes of plutonium and transplutonium elements, notably Pu-239 and Am-241 | 800 |
Sum of all other nuclides of half-life greater than 10 days, notably Cs-134 and Cs-137a | 12 500 |