text: Tellurium-128 and -130 are essentially stable. They only decay by double beta decay, with half lives >10 years.  They constitute the major fraction of natural occurring tellurium at 32 and 34% respectively.
  Tellurium-132 and its daughter I are important in the first few days after a criticality. It was responsible for a large fraction of the dose inflicted on workers at Chernobyl in the first week.
  The isobar forming Te/I is: Tin-132 (half-life 40 s) decaying to antimony-132 (half-life 2.8 minutes) decaying to tellurium-132 (half-life 3.2 days) decaying to iodine-132 (half-life 2.3 hours) which decays to stable xenon-132.
  The creation of tellurium-126 is delayed by the long half-life (230 k years) of tin-126.