The Bocca Scale was a method measuring ripples in time. Kartz and Reimer's experimentation measured 0.4. (TV: The Two Doctors)
Count Marius Castillo noted that a time fissure over which an English country house had been built gave a reading of approximately point two on the Bocca scale. (PROSE: Housewarming)
When the Exemplar exploded, it caused a rupture in the Time Vortex, creating time spillage which initially measured 3.1 on the Bocca scale and rose as high as 8.1. (PROSE: The Crystal Bucephalus)
The Quantum Archangel's initial alterations to time peaked at nearly 1,000 on the Bocca scale. (PROSE: The Quantum Archangel)