I think the time recorded would include the prep and clean up times. In any case, the times when the scientist badged in and then out would also be on record.
I don’t know about union rules regarding the minimum time to put on the time card. If they’re filling out a time card like the one I fill out, they would only be putting down the number of hours worked, not when they were worked.
I saw above that you’re a honeybee scientist. So, what’s the latest on the bee sudden death syndrome?
You might find these interesting...
https://www.nytimes.com/2010/10/07/science/07bees.html
doi:10.1371/journal.pone.0013181
And I also would be curious on any updates from those that Battle Axe might know of.