Time Meaning
not yet begun more than 24 hours
beginning to decay between 4 and 24 hours
reaching the end less than 4 hours
on the verge less than 15 minutes


Location
Unknown C1/C2/C3
Dangerous Unknown C4/C5
Deadly Unknown C6


Mass
not yet over 50%
not to a critical degree between 50% and 10%
stability critically disrupted less than 10%