2016 Risk Course Book

35

Lessons

 One clear lesson from this is that calibration of a new cobalt source/linac must be checked and rechecked (and rechecked…) o One may wish that a suppliers could specify the likely output of the source (compare brachytherapy)  It is certainly possible to cross check a new installation in this way, and it might even be sensible to repeat the calibration of a new source a month after its first use in case of contamination with other isotopes which might have unexpected patterns of decay.

 External (internal) audit

2016-10-05

T Knöös